diff options
Diffstat (limited to 'arch')
41 files changed, 556 insertions, 131 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4c33ca82f9b..184a6bd5482 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -702,6 +702,7 @@ config ARCH_OMAP select ARCH_HAS_CPUFREQ select GENERIC_TIME select GENERIC_CLOCKEVENTS + select ARCH_HAS_HOLES_MEMORYMODEL help Support for TI's OMAP platform (OMAP1 and OMAP2). diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 9e758257274..356d702c080 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -94,7 +94,7 @@ CFLAGS_ABI +=-funwind-tables endif ifeq ($(CONFIG_THUMB2_KERNEL),y) -AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=thumb,-Wa$(comma)-mauto-it) +AFLAGS_AUTOIT :=$(call as-option,-Wa$(comma)-mimplicit-it=always,-Wa$(comma)-mauto-it) AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W) CFLAGS_THUMB2 :=-mthumb $(AFLAGS_AUTOIT) $(AFLAGS_NOWARN) AFLAGS_THUMB2 :=$(CFLAGS_THUMB2) -Wa$(comma)-mthumb diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 6e838b85771..6acc88bcdc4 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -119,6 +119,11 @@ static unsigned long get_rate_nfc(struct clk *clk) return get_rate_per(8); } +static unsigned long get_rate_gpt(struct clk *clk) +{ + return get_rate_per(5); +} + static unsigned long get_rate_otg(struct clk *clk) { return 48000000; /* FIXME */ @@ -144,7 +149,7 @@ static void clk_cgcr_disable(struct clk *clk) __raw_writel(reg, clk->enable_reg); } -#define DEFINE_CLOCK(name, i, er, es, gr, sr) \ +#define DEFINE_CLOCK(name, i, er, es, gr, sr, s) \ static struct clk name = { \ .id = i, \ .enable_reg = CRM_BASE + er, \ @@ -153,27 +158,30 @@ static void clk_cgcr_disable(struct clk *clk) .set_rate = sr, \ .enable = clk_cgcr_enable, \ .disable = clk_cgcr_disable, \ + .secondary = s, \ } -DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_ipg, NULL); -DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL); -DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL); -DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL); -DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL); -DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL); -DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL); -DEFINE_CLOCK(uart4_clk, 0, CCM_CGCR2, 17, get_rate_uart, NULL); -DEFINE_CLOCK(uart5_clk, 0, CCM_CGCR2, 18, get_rate_uart, NULL); -DEFINE_CLOCK(nfc_clk, 0, CCM_CGCR0, 8, get_rate_nfc, NULL); -DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL); -DEFINE_CLOCK(pwm1_clk, 0, CCM_CGCR1, 31, get_rate_ipg, NULL); -DEFINE_CLOCK(pwm2_clk, 0, CCM_CGCR2, 0, get_rate_ipg, NULL); -DEFINE_CLOCK(pwm3_clk, 0, CCM_CGCR2, 1, get_rate_ipg, NULL); -DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL); -DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL); -DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL); -DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL); -DEFINE_CLOCK(fec_clk, 0, CCM_CGCR0, 23, get_rate_ipg, NULL); +DEFINE_CLOCK(gpt_clk, 0, CCM_CGCR0, 5, get_rate_gpt, NULL, NULL); +DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL); +DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL, NULL, NULL); +DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk); +DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk); +DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk); +DEFINE_CLOCK(uart4_clk, 0, CCM_CGCR2, 17, get_rate_uart, NULL, &uart_per_clk); +DEFINE_CLOCK(uart5_clk, 0, CCM_CGCR2, 18, get_rate_uart, NULL, &uart_per_clk); +DEFINE_CLOCK(nfc_clk, 0, CCM_CGCR0, 8, get_rate_nfc, NULL, NULL); +DEFINE_CLOCK(usbotg_clk, 0, CCM_CGCR0, 28, get_rate_otg, NULL, NULL); +DEFINE_CLOCK(pwm1_clk, 0, CCM_CGCR1, 31, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(pwm2_clk, 0, CCM_CGCR2, 0, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(pwm3_clk, 0, CCM_CGCR2, 1, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL); +DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL); +DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk); #define _REGISTER_CLOCK(d, n, c) \ { \ @@ -208,13 +216,21 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("fec.0", NULL, fec_clk) }; -int __init mx25_clocks_init(unsigned long fref) +int __init mx25_clocks_init(void) { int i; for (i = 0; i < ARRAY_SIZE(lookups); i++) clkdev_add(&lookups[i]); + /* Turn off all clocks except the ones we need to survive, namely: + * EMI, GPIO1-3 (CCM_CGCR1[18:16]), GPT1, IOMUXC (CCM_CGCR1[27]), IIM, + * SCC + */ + __raw_writel((1 << 19), CRM_BASE + CCM_CGCR0); + __raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1); + __raw_writel((1 << 5), CRM_BASE + CCM_CGCR2); + mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); return 0; diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mx25pdk.c index 921bc99ea23..6f06089246e 100644 --- a/arch/arm/mach-mx25/mx25pdk.c +++ b/arch/arm/mach-mx25/mx25pdk.c @@ -91,7 +91,7 @@ static void __init mx25pdk_init(void) static void __init mx25pdk_timer_init(void) { - mx25_clocks_init(26000000); + mx25_clocks_init(); } static struct sys_timer mx25pdk_timer = { diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c index 3e7bafa2ddb..938c549767d 100644 --- a/arch/arm/mach-mx3/mx31ads.c +++ b/arch/arm/mach-mx3/mx31ads.c @@ -173,6 +173,7 @@ static void expio_unmask_irq(u32 irq) } static struct irq_chip expio_irq_chip = { + .name = "EXPIO(CPLD)", .ack = expio_ack_irq, .mask = expio_mask_irq, .unmask = expio_unmask_irq, @@ -302,6 +303,7 @@ static struct regulator_init_data ldo1_data = { .min_uV = 2800000, .max_uV = 2800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, }, }; @@ -322,6 +324,7 @@ static struct regulator_init_data ldo2_data = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, }, .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), @@ -459,6 +462,7 @@ static int mx31_wm8350_init(struct wm8350 *wm8350) static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { .init = mx31_wm8350_init, + .irq_base = MXC_BOARD_IRQ_START + MXC_MAX_EXP_IO_LINES, }; #endif diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 3f1334f62e7..7027cdc1ba4 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -505,7 +505,7 @@ static void __init gpmc_mem_init(void) void __init gpmc_init(void) { u32 l; - char *ck; + char *ck = NULL; if (cpu_is_omap24xx()) { ck = "core_l3_ck"; @@ -521,6 +521,9 @@ void __init gpmc_init(void) l = OMAP44XX_GPMC_BASE; } + if (WARN_ON(!ck)) + return; + gpmc_l3_clk = clk_get(NULL, ck); if (IS_ERR(gpmc_l3_clk)) { printk(KERN_ERR "Could not get GPMC clock %s\n", ck); diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 27054025da2..26aeef560aa 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -194,7 +194,7 @@ void __init omap_init_irq(void) int i; for (i = 0; i < ARRAY_SIZE(irq_banks); i++) { - unsigned long base; + unsigned long base = 0; struct omap_irq_bank *bank = irq_banks + i; if (cpu_is_omap24xx()) @@ -202,6 +202,8 @@ void __init omap_init_irq(void) else if (cpu_is_omap34xx()) base = OMAP34XX_IC_BASE; + BUG_ON(!base); + /* Static mapping, never released */ bank->base_reg = ioremap(base, SZ_4K); if (!bank->base_reg) { diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 3f59bd12cbb..5fedc50c58e 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -486,7 +486,7 @@ int __init omap_mux_init_signal(char *muxname, int val) static inline void omap_mux_decode(struct seq_file *s, u16 val) { char *flags[OMAP_MUX_MAX_NR_FLAGS]; - char mode[14]; + char mode[sizeof("OMAP_MUX_MODE") + 1]; int i = -1; sprintf(mode, "OMAP_MUX_MODE%d", val & 0x7); @@ -553,6 +553,7 @@ static int omap_mux_dbg_board_show(struct seq_file *s, void *unused) if (!m0_name) continue; + /* REVISIT: Needs to be updated if mode0 names get longer */ for (i = 0; i < OMAP_MUX_DEFNAME_LEN; i++) { if (m0_name[i] == '\0') { m0_def[i] = m0_name[i]; @@ -968,6 +969,13 @@ static void __init omap_mux_init_list(struct omap_mux *superset) } #endif +#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS) + if (!superset->muxnames || !superset->muxnames[0]) { + superset++; + continue; + } +#endif + entry = omap_mux_list_add(superset); if (!entry) { printk(KERN_ERR "mux: Could not add entry\n"); diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c index 68e0a595f9a..07aa7b3c95f 100644 --- a/arch/arm/mach-omap2/mux34xx.c +++ b/arch/arm/mach-omap2/mux34xx.c @@ -649,6 +649,53 @@ static struct omap_mux __initdata omap3_muxmodes[] = { _OMAP3_MUXENTRY(UART3_TX_IRTX, 166, "uart3_tx_irtx", NULL, NULL, NULL, "gpio_166", NULL, NULL, "safe_mode"), + + /* Only on 3630, see omap36xx_cbp_subset for the signals */ + _OMAP3_MUXENTRY(GPMC_A11, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MBUSFLAG, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MREAD, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MWRITE, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SBUSFLAG, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SREAD, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SWRITE, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(GPMC_A11, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD28, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD29, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD32, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD33, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD34, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD35, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD36, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), { .reg_offset = OMAP_MUX_TERMINATOR }, }; diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8c964bec815..e10a02df6e1 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -36,7 +36,13 @@ #define UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV 0x52 #define UART_OMAP_WER 0x17 /* Wake-up enable register */ -#define DEFAULT_TIMEOUT (5 * HZ) +/* + * NOTE: By default the serial timeout is disabled as it causes lost characters + * over the serial ports. This means that the UART clocks will stay on until + * disabled via sysfs. This also causes that any deeper omap sleep states are + * blocked. + */ +#define DEFAULT_TIMEOUT 0 struct omap_uart_state { int num; @@ -422,7 +428,8 @@ static void omap_uart_idle_init(struct omap_uart_state *uart) uart->timeout = DEFAULT_TIMEOUT; setup_timer(&uart->timer, omap_uart_idle_timer, (unsigned long) uart); - mod_timer(&uart->timer, jiffies + uart->timeout); + if (uart->timeout) + mod_timer(&uart->timer, jiffies + uart->timeout); omap_uart_smart_idle_enable(uart, 0); if (cpu_is_omap34xx()) { diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index a21a4b395f7..d94857eb069 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -334,8 +334,8 @@ static void realview_pbx_reset(char mode) * in the system FPGA */ __raw_writel(REALVIEW_SYS_LOCK_VAL, lock_ctrl); - __raw_writel(0x0000, reset_ctrl); - __raw_writel(0x0004, reset_ctrl); + __raw_writel(0x00F0, reset_ctrl); + __raw_writel(0x00F4, reset_ctrl); } static void __init realview_pbx_init(void) diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index 3f9cd3d8f6d..795dc615f43 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -41,7 +41,7 @@ ENTRY(cpu_arm7_dcache_clean_area) ENTRY(cpu_arm7_data_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r8, [r0] @ read arm instruction + ldr r8, [r2] @ read arm instruction tst r8, #1 << 20 @ L = 0 -> write? orreq r1, r1, #1 << 11 @ yes. and r7, r8, #15 << 24 diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c index 6f21096086f..b06954a8443 100644 --- a/arch/arm/plat-mxc/audmux-v2.c +++ b/arch/arm/plat-mxc/audmux-v2.c @@ -23,6 +23,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/clk.h> +#include <linux/debugfs.h> #include <mach/audmux.h> #include <mach/hardware.h> @@ -32,6 +33,140 @@ static void __iomem *audmux_base; #define MXC_AUDMUX_V2_PTCR(x) ((x) * 8) #define MXC_AUDMUX_V2_PDCR(x) ((x) * 8 + 4) +#ifdef CONFIG_DEBUG_FS +static struct dentry *audmux_debugfs_root; + +static int audmux_open_file(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +/* There is an annoying discontinuity in the SSI numbering with regard + * to the Linux number of the devices */ +static const char *audmux_port_string(int port) +{ + switch (port) { + case MX31_AUDMUX_PORT1_SSI0: + return "imx-ssi.0"; + case MX31_AUDMUX_PORT2_SSI1: + return "imx-ssi.1"; + case MX31_AUDMUX_PORT3_SSI_PINS_3: + return "SSI3"; + case MX31_AUDMUX_PORT4_SSI_PINS_4: + return "SSI4"; + case MX31_AUDMUX_PORT5_SSI_PINS_5: + return "SSI5"; + case MX31_AUDMUX_PORT6_SSI_PINS_6: + return "SSI6"; + default: + return "UNKNOWN"; + } +} + +static ssize_t audmux_read_file(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + ssize_t ret; + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); + int port = (int)file->private_data; + u32 pdcr, ptcr; + + if (!buf) + return -ENOMEM; + + if (audmux_clk) + clk_enable(audmux_clk); + + ptcr = readl(audmux_base + MXC_AUDMUX_V2_PTCR(port)); + pdcr = readl(audmux_base + MXC_AUDMUX_V2_PDCR(port)); + + if (audmux_clk) + clk_disable(audmux_clk); + + ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", + pdcr, ptcr); + + if (ptcr & MXC_AUDMUX_V2_PTCR_TFSDIR) + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "TxFS output from %s, ", + audmux_port_string((ptcr >> 27) & 0x7)); + else + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "TxFS input, "); + + if (ptcr & MXC_AUDMUX_V2_PTCR_TCLKDIR) + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "TxClk output from %s", + audmux_port_string((ptcr >> 22) & 0x7)); + else + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "TxClk input"); + + ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n"); + + if (ptcr & MXC_AUDMUX_V2_PTCR_SYN) { + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "Port is symmetric"); + } else { + if (ptcr & MXC_AUDMUX_V2_PTCR_RFSDIR) + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "RxFS output from %s, ", + audmux_port_string((ptcr >> 17) & 0x7)); + else + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "RxFS input, "); + + if (ptcr & MXC_AUDMUX_V2_PTCR_RCLKDIR) + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "RxClk output from %s", + audmux_port_string((ptcr >> 12) & 0x7)); + else + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "RxClk input"); + } + + ret += snprintf(buf + ret, PAGE_SIZE - ret, + "\nData received from %s\n", + audmux_port_string((pdcr >> 13) & 0x7)); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); + + kfree(buf); + + return ret; +} + +static const struct file_operations audmux_debugfs_fops = { + .open = audmux_open_file, + .read = audmux_read_file, +}; + +static void audmux_debugfs_init(void) +{ + int i; + char buf[20]; + + audmux_debugfs_root = debugfs_create_dir("audmux", NULL); + if (!audmux_debugfs_root) { + pr_warning("Failed to create AUDMUX debugfs root\n"); + return; + } + + for (i = 1; i < 8; i++) { + snprintf(buf, sizeof(buf), "ssi%d", i); + if (!debugfs_create_file(buf, 0444, audmux_debugfs_root, + (void *)i, &audmux_debugfs_fops)) + pr_warning("Failed to create AUDMUX port %d debugfs file\n", + i); + } +} +#else +static inline void audmux_debugfs_init(void) +{ +} +#endif + int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr, unsigned int pdcr) { @@ -68,6 +203,8 @@ static int mxc_audmux_v2_init(void) if (cpu_is_mx31() || cpu_is_mx35()) audmux_base = IO_ADDRESS(AUDMUX_BASE_ADDR); + audmux_debugfs_init(); + return 0; } diff --git a/arch/arm/plat-mxc/include/mach/board-mx31lite.h b/arch/arm/plat-mxc/include/mach/board-mx31lite.h index 0184b638c26..2b2da036757 100644 --- a/arch/arm/plat-mxc/include/mach/board-mx31lite.h +++ b/arch/arm/plat-mxc/include/mach/board-mx31lite.h @@ -25,7 +25,7 @@ #ifndef __ASSEMBLY__ -enum mx31lilly_boards { +enum mx31lite_boards { MX31LITE_NOBOARD = 0, MX31LITE_DB = 1, }; diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 286cb9b0a25..4bf1068ffad 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -32,7 +32,7 @@ extern void mxc91231_init_irq(void); extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int); extern int mx1_clocks_init(unsigned long fref); extern int mx21_clocks_init(unsigned long lref, unsigned long fref); -extern int mx25_clocks_init(unsigned long fref); +extern int mx25_clocks_init(void); extern int mx27_clocks_init(unsigned long fref); extern int mx31_clocks_init(unsigned long fref); extern int mx35_clocks_init(void); diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx35.h b/arch/arm/plat-mxc/include/mach/iomux-mx35.h index 00b0ac1db22..c88d40795f7 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-mx35.h +++ b/arch/arm/plat-mxc/include/mach/iomux-mx35.h @@ -671,7 +671,7 @@ #define MX35_PAD_LD8__SDMA_SDMA_DEBUG_PC_8 IOMUX_PAD(0x634, 0x1d0, 6, 0x0, 0, NO_PAD_CTRL) #define MX35_PAD_LD9__IPU_DISPB_DAT_9 IOMUX_PAD(0x638, 0x1d4, 0, 0x0, 0, NO_PAD_CTRL) -#define MX35_PAD_LD9__GPIO2_9 IOMUX_PAD(0x638, 0x1d4, 5, 0x8e4 0, NO_PAD_CTRL) +#define MX35_PAD_LD9__GPIO2_9 IOMUX_PAD(0x638, 0x1d4, 5, 0x8e4, 0, NO_PAD_CTRL) #define MX35_PAD_LD9__SDMA_SDMA_DEBUG_PC_9 IOMUX_PAD(0x638, 0x1d4, 6, 0x0, 0, NO_PAD_CTRL) #define MX35_PAD_LD10__IPU_DISPB_DAT_10 IOMUX_PAD(0x63c, 0x1d8, 0, 0x0, 0, NO_PAD_CTRL) diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h index ead9d592168..0cb347645db 100644 --- a/arch/arm/plat-mxc/include/mach/irqs.h +++ b/arch/arm/plat-mxc/include/mach/irqs.h @@ -37,7 +37,12 @@ * within sensible limits. */ #define MXC_BOARD_IRQ_START (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS) + +#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 +#define MXC_BOARD_IRQS 80 +#else #define MXC_BOARD_IRQS 16 +#endif #define MXC_IPU_IRQ_START (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index d9f8c844c38..4becbdd1935 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -391,7 +391,7 @@ static struct dentry *clk_debugfs_root; static int clk_debugfs_register_one(struct clk *c) { int err; - struct dentry *d, *child; + struct dentry *d, *child, *child_tmp; struct clk *pa = c->parent; char s[255]; char *p = s; @@ -423,7 +423,7 @@ static int clk_debugfs_register_one(struct clk *c) err_out: d = c->dent; - list_for_each_entry(child, &d->d_subdirs, d_u.d_child) + list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child) debugfs_remove(child); debugfs_remove(c->dent); return err; diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index d17620c50c2..d2422c766cc 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -750,6 +750,7 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, } #endif +#ifdef CONFIG_ARCH_OMAP1 /* * This only applies to chips that can't do both rising and falling edge * detection at once. For all other chips, this function is a noop. @@ -760,11 +761,9 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) u32 l = 0; switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: reg += OMAP_MPUIO_GPIO_INT_EDGE; break; -#endif #ifdef CONFIG_ARCH_OMAP15XX case METHOD_GPIO_1510: reg += OMAP1510_GPIO_INT_CONTROL; @@ -787,6 +786,7 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) __raw_writel(l, reg); } +#endif static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) { diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 1e5648d3e3d..2ed72013c2e 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -89,16 +89,6 @@ #define USE_WAKEUP_LAT 0 #define IGNORE_WAKEUP_LAT 1 -/* XXX this should be moved into a separate file */ -#if defined(CONFIG_ARCH_OMAP2420) -# define OMAP_32KSYNCT_BASE 0x48004000 -#elif defined(CONFIG_ARCH_OMAP2430) -# define OMAP_32KSYNCT_BASE 0x49020000 -#elif defined(CONFIG_ARCH_OMAP3430) -# define OMAP_32KSYNCT_BASE 0x48320000 -#else -# error Unknown OMAP device -#endif /* Private functions */ diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index f60a5400a25..a63c4be99b3 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -197,10 +197,13 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_ } /* - * Update the FPSCR with the additional exception flags. + * If any of the status flags are set, update the FPSCR. * Comparison instructions always return at least one of * these flags set. */ + if (exceptions & (FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V)) + fpscr &= ~(FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V); + fpscr |= exceptions; fmxr(FPSCR, fpscr); diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 1aa1ea5e921..b13d1879e51 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -1325,7 +1325,7 @@ struct platform_device *__init at32_add_device_mci(unsigned int id, struct mci_platform_data *data) { struct platform_device *pdev; - struct mci_dma_slave *slave; + struct mci_dma_data *slave; u32 pioa_mask; u32 piob_mask; @@ -1344,7 +1344,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) ARRAY_SIZE(atmel_mci0_resource))) goto fail; - slave = kzalloc(sizeof(struct mci_dma_slave), GFP_KERNEL); + slave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL); + if (!slave) + goto fail; slave->sdata.dma_dev = &dw_dmac0_device.dev; slave->sdata.reg_width = DW_DMA_SLAVE_WIDTH_32BIT; @@ -1357,7 +1359,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) if (platform_device_add_data(pdev, data, sizeof(struct mci_platform_data))) - goto fail; + goto fail_free; /* CLK line is common to both slots */ pioa_mask = 1 << 10; @@ -1381,7 +1383,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) /* Slot is unused */ break; default: - goto fail; + goto fail_free; } select_peripheral(PIOA, pioa_mask, PERIPH_A, 0); @@ -1408,7 +1410,7 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) break; default: if (!data->slot[0].bus_width) - goto fail; + goto fail_free; data->slot[1].bus_width = 0; break; @@ -1419,9 +1421,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data) platform_device_add(pdev); return pdev; +fail_free: + kfree(slave); fail: data->dma_slave = NULL; - kfree(slave); platform_device_put(pdev); return NULL; } diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig index bb7c374713a..6fced1fe3bf 100644 --- a/arch/microblaze/configs/mmu_defconfig +++ b/arch/microblaze/configs/mmu_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.31 -# Thu Sep 24 10:28:50 2009 +# Linux kernel version: 2.6.33-rc6 +# Wed Feb 3 10:02:59 2010 # CONFIG_MICROBLAZE=y # CONFIG_SWAP is not set @@ -19,8 +19,12 @@ CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_CSUM=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y # CONFIG_PCI is not set CONFIG_NO_DMA=y +CONFIG_DTC=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_CONSTRUCTORS=y @@ -44,6 +48,7 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_TREE_RCU=y # CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=32 # CONFIG_RCU_FANOUT_EXACT is not set @@ -64,10 +69,12 @@ CONFIG_INITRAMFS_ROOT_GID=0 CONFIG_RD_GZIP=y # CONFIG_RD_BZIP2 is not set # CONFIG_RD_LZMA is not set +# CONFIG_RD_LZO is not set # CONFIG_INITRAMFS_COMPRESSION_NONE is not set CONFIG_INITRAMFS_COMPRESSION_GZIP=y # CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set # CONFIG_INITRAMFS_COMPRESSION_LZMA is not set +# CONFIG_INITRAMFS_COMPRESSION_LZO is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -90,21 +97,20 @@ CONFIG_EVENTFD=y CONFIG_AIO=y # -# Performance Counters +# Kernel Performance Events And Counters # CONFIG_VM_EVENT_COUNTERS=y -# CONFIG_STRIP_ASM_SYMS is not set CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set -# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y # # GCOV-based kernel profiling # -# CONFIG_SLOW_WORK is not set +CONFIG_SLOW_WORK=y # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_BASE_SMALL=1 @@ -123,14 +129,41 @@ CONFIG_LBDAF=y # IO Schedulers # CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set # CONFIG_DEFAULT_DEADLINE is not set CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +# CONFIG_INLINE_SPIN_UNLOCK is not set +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +# CONFIG_INLINE_READ_UNLOCK is not set +# CONFIG_INLINE_READ_UNLOCK_BH is not set +# CONFIG_INLINE_READ_UNLOCK_IRQ is not set +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +# CONFIG_INLINE_WRITE_UNLOCK is not set +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set # CONFIG_FREEZER is not set # @@ -139,11 +172,6 @@ CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_PLATFORM_GENERIC=y CONFIG_OPT_LIB_FUNCTION=y CONFIG_OPT_LIB_ASM=y -CONFIG_ALLOW_EDIT_AUTO=y - -# -# Automatic platform settings from Kconfig.auto -# # # Definitions for MICROBLAZE0 @@ -203,12 +231,11 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_SPLIT_PTLOCK_CPUS=999999 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 # @@ -289,7 +316,13 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set -# CONFIG_WIRELESS is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +# CONFIG_LIB80211 is not set + +# +# CFG80211 needs to be enabled for MAC80211 +# # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -313,6 +346,10 @@ CONFIG_OF_DEVICE=y CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set # CONFIG_BLK_DEV_LOOP is not set + +# +# DRBD disabled because PROC_FS, INET or CONNECTOR not selected +# # CONFIG_BLK_DEV_NBD is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 @@ -349,7 +386,6 @@ CONFIG_NETDEVICES=y # CONFIG_PHYLIB is not set CONFIG_NET_ETHERNET=y # CONFIG_MII is not set -# CONFIG_ETHOC is not set # CONFIG_DNET is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set @@ -359,12 +395,12 @@ CONFIG_NET_ETHERNET=y # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set CONFIG_XILINX_EMACLITE=y CONFIG_NETDEV_1000=y CONFIG_NETDEV_10000=y CONFIG_WLAN=y -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set +# CONFIG_HOSTAP is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers @@ -408,6 +444,7 @@ CONFIG_SERIAL_UARTLITE=y CONFIG_SERIAL_UARTLITE_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y @@ -433,7 +470,6 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set -# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set # @@ -526,8 +562,6 @@ CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y -CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set CONFIG_MISC_FILESYSTEMS=y @@ -638,11 +672,13 @@ CONFIG_NLS_DEFAULT="iso8859-1" # # Kernel hacking # +CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_PRINTK_TIME is not set CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 # CONFIG_MAGIC_SYSRQ is not set +# CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set @@ -662,6 +698,9 @@ CONFIG_DEBUG_SLAB=y # CONFIG_DEBUG_SLAB_LEAK is not set CONFIG_DEBUG_SPINLOCK=y # CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -680,10 +719,29 @@ CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set # CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set # CONFIG_SYSCTL_SYSCALL_CHECK is not set # CONFIG_PAGE_POISONING is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set +# CONFIG_BOOT_TRACER is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_SAMPLES is not set -# CONFIG_KMEMCHECK is not set CONFIG_EARLY_PRINTK=y # CONFIG_HEART_BEAT is not set CONFIG_DEBUG_BOOTMEM=y @@ -694,7 +752,11 @@ CONFIG_DEBUG_BOOTMEM=y # CONFIG_KEYS is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig index adb839bab70..ce2da535246 100644 --- a/arch/microblaze/configs/nommu_defconfig +++ b/arch/microblaze/configs/nommu_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.31 -# Thu Sep 24 10:29:43 2009 +# Linux kernel version: 2.6.33-rc6 +# Wed Feb 3 10:03:21 2010 # CONFIG_MICROBLAZE=y # CONFIG_SWAP is not set @@ -19,8 +19,12 @@ CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_CSUM=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y # CONFIG_PCI is not set CONFIG_NO_DMA=y +CONFIG_DTC=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_CONSTRUCTORS=y @@ -46,6 +50,7 @@ CONFIG_BSD_PROCESS_ACCT_V3=y # CONFIG_TREE_RCU=y # CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=32 # CONFIG_RCU_FANOUT_EXACT is not set @@ -81,16 +86,16 @@ CONFIG_EVENTFD=y CONFIG_AIO=y # -# Performance Counters +# Kernel Performance Events And Counters # CONFIG_VM_EVENT_COUNTERS=y -# CONFIG_STRIP_ASM_SYMS is not set CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set +# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set # CONFIG_PROFILING is not set -# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y # # GCOV-based kernel profiling @@ -116,14 +121,41 @@ CONFIG_LBDAF=y # IO Schedulers # CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set # CONFIG_DEFAULT_DEADLINE is not set CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +CONFIG_INLINE_SPIN_UNLOCK=y +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +CONFIG_INLINE_SPIN_UNLOCK_IRQ=y +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +CONFIG_INLINE_READ_UNLOCK=y +# CONFIG_INLINE_READ_UNLOCK_BH is not set +CONFIG_INLINE_READ_UNLOCK_IRQ=y +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +CONFIG_INLINE_WRITE_UNLOCK=y +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +CONFIG_INLINE_WRITE_UNLOCK_IRQ=y +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set # CONFIG_FREEZER is not set # @@ -132,7 +164,10 @@ CONFIG_DEFAULT_IOSCHED="cfq" CONFIG_PLATFORM_GENERIC=y # CONFIG_SELFMOD is not set # CONFIG_OPT_LIB_FUNCTION is not set -# CONFIG_ALLOW_EDIT_AUTO is not set + +# +# Definitions for MICROBLAZE0 +# CONFIG_KERNEL_BASE_ADDR=0x90000000 CONFIG_XILINX_MICROBLAZE0_FAMILY="virtex5" CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1 @@ -190,7 +225,6 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y -CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1 # @@ -274,9 +308,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_AF_RXRPC is not set CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set -CONFIG_CFG80211_DEFAULT_PS_VALUE=0 -CONFIG_WIRELESS_OLD_REGULATORY=y -# CONFIG_WIRELESS_EXT is not set # CONFIG_LIB80211 is not set # @@ -301,9 +332,9 @@ CONFIG_STANDALONE=y # CONFIG_CONNECTOR is not set CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set CONFIG_MTD_CONCAT=y CONFIG_MTD_PARTITIONS=y -# CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_OF_PARTS is not set @@ -387,6 +418,10 @@ CONFIG_OF_DEVICE=y CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set # CONFIG_BLK_DEV_LOOP is not set + +# +# DRBD disabled because PROC_FS, INET or CONNECTOR not selected +# CONFIG_BLK_DEV_NBD=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 @@ -423,7 +458,6 @@ CONFIG_NETDEVICES=y # CONFIG_PHYLIB is not set CONFIG_NET_ETHERNET=y # CONFIG_MII is not set -# CONFIG_ETHOC is not set # CONFIG_DNET is not set # CONFIG_IBM_NEW_EMAC_ZMII is not set # CONFIG_IBM_NEW_EMAC_RGMII is not set @@ -433,12 +467,12 @@ CONFIG_NET_ETHERNET=y # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_KS8842 is not set +# CONFIG_KS8851_MLL is not set # CONFIG_XILINX_EMACLITE is not set CONFIG_NETDEV_1000=y CONFIG_NETDEV_10000=y CONFIG_WLAN=y -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set +# CONFIG_HOSTAP is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers @@ -482,6 +516,7 @@ CONFIG_SERIAL_UARTLITE=y CONFIG_SERIAL_UARTLITE_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y @@ -508,7 +543,6 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set -# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set # @@ -616,7 +650,6 @@ CONFIG_INOTIFY_USER=y CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y -# CONFIG_TMPFS is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set CONFIG_MISC_FILESYSTEMS=y @@ -672,11 +705,13 @@ CONFIG_MSDOS_PARTITION=y # # Kernel hacking # +CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_PRINTK_TIME is not set CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=1024 # CONFIG_MAGIC_SYSRQ is not set +# CONFIG_STRIP_ASM_SYMS is not set CONFIG_UNUSED_SYMBOLS=y CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set @@ -695,12 +730,16 @@ CONFIG_DEBUG_OBJECTS=y CONFIG_DEBUG_OBJECTS_SELFTEST=y CONFIG_DEBUG_OBJECTS_FREE=y CONFIG_DEBUG_OBJECTS_TIMERS=y +# CONFIG_DEBUG_OBJECTS_WORK is not set CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1 # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -720,8 +759,28 @@ CONFIG_DEBUG_SG=y # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set # CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_PAGE_POISONING is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_TRACING_SUPPORT=y +CONFIG_FTRACE=y +# CONFIG_FUNCTION_TRACER is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_ENABLE_DEFAULT_TRACERS is not set +# CONFIG_BOOT_TRACER is not set +CONFIG_BRANCH_PROFILE_NONE=y +# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set +# CONFIG_PROFILE_ALL_BRANCHES is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_KMEMTRACE is not set +# CONFIG_WORKQUEUE_TRACER is not set +# CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_DYNAMIC_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_EARLY_PRINTK=y @@ -734,7 +793,11 @@ CONFIG_EARLY_PRINTK=y # CONFIG_KEYS is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S index 95b0855802d..391d6197fc3 100644 --- a/arch/microblaze/kernel/entry-nommu.S +++ b/arch/microblaze/kernel/entry-nommu.S @@ -122,7 +122,7 @@ ENTRY(_interrupt) ret_from_intr: lwi r11, r1, PT_MODE - bneid r11, 3f + bneid r11, no_intr_resched lwi r6, r31, TS_THREAD_INFO /* get thread info */ lwi r19, r6, TI_FLAGS /* get flags in thread info */ @@ -133,16 +133,18 @@ ret_from_intr: bralid r15, schedule nop 1: andi r11, r19, _TIF_SIGPENDING - beqid r11, no_intr_reshed + beqid r11, no_intr_resched addk r5, r1, r0 addk r7, r0, r0 bralid r15, do_signal addk r6, r0, r0 -no_intr_reshed: +no_intr_resched: + /* Disable interrupts, we are now committed to the state restore */ + disable_irq + /* save mode indicator */ lwi r11, r1, PT_MODE -3: swi r11, r0, PER_CPU(KM) /* save r31 */ diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 5372b24ad04..bb8c4b9ccb8 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -54,6 +54,7 @@ void __init setup_arch(char **cmdline_p) microblaze_cache_init(); + invalidate_dcache(); enable_dcache(); invalidate_icache(); diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 282d9306361..1ec06576f61 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -63,15 +63,21 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, if (huge) { #ifdef CONFIG_HUGETLB_PAGE psize = get_slice_psize(mm, addr); + /* Mask the address for the correct page size */ + addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); #else BUG(); psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */ #endif - } else + } else { psize = pte_pagesize_index(mm, addr, pte); + /* Mask the address for the standard page size. If we + * have a 64k page kernel, but the hardware does not + * support 64k pages, this might be different from the + * hardware page size encoded in the slice table. */ + addr &= PAGE_MASK; + } - /* Mask the address for the correct page size */ - addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); /* Build full vaddr */ if (!is_kernel_addr(addr)) { diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 1ee66db003b..f5f79196721 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -784,9 +784,13 @@ static void xics_set_cpu_priority(unsigned char cppr) { struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); - BUG_ON(os_cppr->index != 0); + /* + * we only really want to set the priority when there's + * just one cppr value on the stack + */ + WARN_ON(os_cppr->index != 0); - os_cppr->stack[os_cppr->index] = cppr; + os_cppr->stack[0] = cppr; if (firmware_has_feature(FW_FEATURE_LPAR)) lpar_cppr_info(cppr); @@ -821,8 +825,14 @@ void xics_setup_cpu(void) void xics_teardown_cpu(void) { + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); int cpu = smp_processor_id(); + /* + * we have to reset the cppr index to 0 because we're + * not going to return from the IPI + */ + os_cppr->index = 0; xics_set_cpu_priority(0); /* Clear any pending IPI request */ diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index f2ef4b619ce..c25dfac7dd7 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -293,12 +293,12 @@ struct _lowcore __u64 clock_comparator; /* 0x02d0 */ __u32 machine_flags; /* 0x02d8 */ __u32 ftrace_func; /* 0x02dc */ - __u8 pad_0x02f0[0x0300-0x02f0]; /* 0x02f0 */ + __u8 pad_0x02e0[0x0300-0x02e0]; /* 0x02e0 */ /* Interrupt response block */ __u8 irb[64]; /* 0x0300 */ - __u8 pad_0x0400[0x0e00-0x0400]; /* 0x0400 */ + __u8 pad_0x0340[0x0e00-0x0340]; /* 0x0340 */ /* * 0xe00 contains the address of the IPL Parameter Information diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 3f7e2a22c7c..f6a389c996c 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -132,7 +132,6 @@ ENTRY(tlb_protection_violation_store) mov #1, r5 call_handle_tlbmiss: - setup_frame_reg mov.l 1f, r0 mov r5, r8 mov.l @r0, r6 @@ -365,6 +364,8 @@ handle_exception: mov.l @k2, k2 ! read out vector and keep in k2 handle_exception_special: + setup_frame_reg + ! Setup return address and jump to exception handler mov.l 7f, r9 ! fetch return address stc r2_bank, r0 ! k2 (vector) diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 88d28ec3780..e51168064e5 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -540,6 +540,8 @@ void dwarf_free_frame(struct dwarf_frame *frame) mempool_free(frame, dwarf_frame_pool); } +extern void ret_from_irq(void); + /** * dwarf_unwind_stack - unwind the stack * @@ -678,6 +680,24 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc, addr = frame->cfa + reg->addr; frame->return_addr = __raw_readl(addr); + /* + * Ah, the joys of unwinding through interrupts. + * + * Interrupts are tricky - the DWARF info needs to be _really_ + * accurate and unfortunately I'm seeing a lot of bogus DWARF + * info. For example, I've seen interrupts occur in epilogues + * just after the frame pointer (r14) had been restored. The + * problem was that the DWARF info claimed that the CFA could be + * reached by using the value of the frame pointer before it was + * restored. + * + * So until the compiler can be trusted to produce reliable + * DWARF info when it really matters, let's stop unwinding once + * we've calculated the function that was interrupted. + */ + if (prev && prev->pc == (unsigned long)ret_from_irq) + frame->return_addr = 0; + return frame; bail: diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index f0abd58c3a6..2b15ae60c3a 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -70,8 +70,14 @@ ret_from_exception: CFI_STARTPROC simple CFI_DEF_CFA r14, 0 CFI_REL_OFFSET 17, 64 - CFI_REL_OFFSET 15, 0 + CFI_REL_OFFSET 15, 60 CFI_REL_OFFSET 14, 56 + CFI_REL_OFFSET 13, 52 + CFI_REL_OFFSET 12, 48 + CFI_REL_OFFSET 11, 44 + CFI_REL_OFFSET 10, 40 + CFI_REL_OFFSET 9, 36 + CFI_REL_OFFSET 8, 32 preempt_stop() ENTRY(ret_from_irq) ! diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 2830b415e21..c49865b3071 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -526,7 +526,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, * Set some valid stack frames to give to the child. */ childstack = (struct sparc_stackf __user *) - (sp & ~0x7UL); + (sp & ~0xfUL); parentstack = (struct sparc_stackf __user *) regs->u_regs[UREG_FP]; diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index c3f1cce0e95..cb70476bd8f 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -398,11 +398,11 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp) } else __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6])); - /* Now 8-byte align the stack as this is mandatory in the - * Sparc ABI due to how register windows work. This hides - * the restriction from thread libraries etc. -DaveM + /* Now align the stack as this is mandatory in the Sparc ABI + * due to how register windows work. This hides the + * restriction from thread libraries etc. */ - csp &= ~7UL; + csp &= ~15UL; distance = fp - psp; rval = (csp - distance); diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index ba5b09ad666..ea22cd373c6 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -120,8 +120,8 @@ struct rt_signal_frame32 { }; /* Align macros */ -#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 7) & (~7))) -#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 7) & (~7))) +#define SF_ALIGNEDSZ (((sizeof(struct signal_frame32) + 15) & (~15))) +#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 15) & (~15))) int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { @@ -420,15 +420,17 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu) diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 7ce1a1005b1..9882df92ba0 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -267,15 +267,17 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static inline int diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index 647afbda7ae..9fa48c30037 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -353,7 +353,7 @@ segv: /* Checks if the fp is valid */ static int invalid_frame_pointer(void __user *fp, int fplen) { - if (((unsigned long) fp) & 7) + if (((unsigned long) fp) & 15) return 1; return 0; } @@ -396,15 +396,17 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs * sp = current->sas_ss_sp + current->sas_ss_size; } + sp -= framesize; + /* Always align the stack frame. This handles two cases. First, * sigaltstack need not be mindful of platform specific stack * alignment. Second, if we took this signal because the stack * is not aligned properly, we'd like to take the signal cleanly * and report that. */ - sp &= ~7UL; + sp &= ~15UL; - return (void __user *)(sp - framesize); + return (void __user *) sp; } static inline void diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index f125e5c551c..6e44519960c 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1356,6 +1356,7 @@ static int __devexit powernowk8_cpu_exit(struct cpufreq_policy *pol) kfree(data->powernow_table); kfree(data); + per_cpu(powernow_data, pol->cpu) = NULL; return 0; } @@ -1375,7 +1376,7 @@ static unsigned int powernowk8_get(unsigned int cpu) int err; if (!data) - return -EINVAL; + return 0; smp_call_function_single(cpu, query_values_on_cpu, &err, true); if (err) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 296aba49472..15578f180e5 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -467,6 +467,9 @@ static int pit_ioport_read(struct kvm_io_device *this, return -EOPNOTSUPP; addr &= KVM_PIT_CHANNEL_MASK; + if (addr == 3) + return 0; + s = &pit_state->channels[addr]; mutex_lock(&pit_state->lock); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1ddcad452ad..a1e1bc9d412 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -670,7 +670,7 @@ static void kvm_write_wall_clock(struct kvm *kvm, gpa_t wall_clock) { static int version; struct pvclock_wall_clock wc; - struct timespec now, sys, boot; + struct timespec boot; if (!wall_clock) return; @@ -685,9 +685,7 @@ static void kvm_write_wall_clock(struct kvm *kvm, gpa_t wall_clock) * wall clock specified here. guest system time equals host * system time for us, thus we must fill in host boot time here. */ - now = current_kernel_time(); - ktime_get_ts(&sys); - boot = ns_to_timespec(timespec_to_ns(&now) - timespec_to_ns(&sys)); + getboottime(&boot); wc.sec = boot.tv_sec; wc.nsec = boot.tv_nsec; @@ -762,6 +760,7 @@ static void kvm_write_guest_time(struct kvm_vcpu *v) local_irq_save(flags); kvm_get_msr(v, MSR_IA32_TSC, &vcpu->hv_clock.tsc_timestamp); ktime_get_ts(&ts); + monotonic_to_bootbased(&ts); local_irq_restore(flags); /* With all the info we got, fill in the values */ diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 5198b9bb34e..69ddfbd9113 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -49,6 +49,7 @@ #include <asm/numa.h> #include <asm/cacheflush.h> #include <asm/init.h> +#include <linux/bootmem.h> static unsigned long dma_reserve __initdata; @@ -616,6 +617,21 @@ void __init paging_init(void) */ #ifdef CONFIG_MEMORY_HOTPLUG /* + * After memory hotplug the variables max_pfn, max_low_pfn and high_memory need + * updating. + */ +static void update_end_of_memory_vars(u64 start, u64 size) +{ + unsigned long end_pfn = PFN_UP(start + size); + + if (end_pfn > max_pfn) { + max_pfn = end_pfn; + max_low_pfn = end_pfn; + high_memory = (void *)__va(max_pfn * PAGE_SIZE - 1) + 1; + } +} + +/* * Memory is added always to NORMAL zone. This means you will never get * additional DMA/DMA32 memory. */ @@ -634,6 +650,9 @@ int arch_add_memory(int nid, u64 start, u64 size) ret = __add_pages(nid, zone, start_pfn, nr_pages); WARN_ON_ONCE(ret); + /* update max_pfn, max_low_pfn and high_memory */ + update_end_of_memory_vars(start, size); + return ret; } EXPORT_SYMBOL_GPL(arch_add_memory); |