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-rw-r--r--arch/arc/include/asm/entry.h17
-rw-r--r--arch/arc/include/asm/irqflags.h2
-rw-r--r--arch/arc/include/asm/pgtable.h2
-rw-r--r--arch/arc/include/uapi/asm/elf.h11
-rw-r--r--arch/arc/kernel/arcksyms.c2
-rw-r--r--arch/arc/kernel/asm-offsets.c2
-rw-r--r--arch/arc/kernel/process.c2
-rw-r--r--arch/arc/kernel/setup.c6
-rw-r--r--arch/arc/mm/cache_arc700.c9
-rw-r--r--arch/arm/kernel/sys_oabi-compat.c73
-rw-r--r--arch/parisc/include/uapi/asm/errno.h4
-rw-r--r--arch/powerpc/kernel/eeh.c2
-rw-r--r--arch/um/include/asm/common.lds.S2
-rw-r--r--arch/x86/kernel/apic/apic.c3
-rw-r--r--arch/x86/kernel/cpu/amd.c12
-rw-r--r--arch/x86/kernel/paravirt.c4
16 files changed, 97 insertions, 56 deletions
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index 884081099f80..81cdbc36699b 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -143,8 +143,6 @@
POP r13
.endm
-#define OFF_USER_R25_FROM_R24 (SZ_CALLEE_REGS + SZ_PT_REGS - 8)/4
-
/*--------------------------------------------------------------
* Collect User Mode callee regs as struct callee_regs - needed by
* fork/do_signal/unaligned-access-emulation.
@@ -157,12 +155,13 @@
*-------------------------------------------------------------*/
.macro SAVE_CALLEE_SAVED_USER
+ mov r12, sp ; save SP as ref to pt_regs
SAVE_R13_TO_R24
#ifdef CONFIG_ARC_CURR_IN_REG
- ; Retrieve orig r25 and save it on stack
- ld.as r12, [sp, OFF_USER_R25_FROM_R24]
- st.a r12, [sp, -4]
+ ; Retrieve orig r25 and save it with rest of callee_regs
+ ld r12, [r12, PT_user_r25]
+ PUSH r12
#else
PUSH r25
#endif
@@ -209,12 +208,16 @@
.macro RESTORE_CALLEE_SAVED_USER
#ifdef CONFIG_ARC_CURR_IN_REG
- ld.ab r12, [sp, 4]
- st.as r12, [sp, OFF_USER_R25_FROM_R24]
+ POP r12
#else
POP r25
#endif
RESTORE_R24_TO_R13
+
+ ; SP is back to start of pt_regs
+#ifdef CONFIG_ARC_CURR_IN_REG
+ st r12, [sp, PT_user_r25]
+#endif
.endm
/*--------------------------------------------------------------
diff --git a/arch/arc/include/asm/irqflags.h b/arch/arc/include/asm/irqflags.h
index 27ecc6975a58..853a80ee7aaa 100644
--- a/arch/arc/include/asm/irqflags.h
+++ b/arch/arc/include/asm/irqflags.h
@@ -168,10 +168,10 @@ static inline int arch_irqs_disabled(void)
.endm
.macro IRQ_ENABLE scratch
+ TRACE_ASM_IRQ_ENABLE
lr \scratch, [status32]
or \scratch, \scratch, (STATUS_E1_MASK | STATUS_E2_MASK)
flag \scratch
- TRACE_ASM_IRQ_ENABLE
.endm
#endif /* __ASSEMBLY__ */
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 09c549826c5f..9615fe1701c6 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -96,7 +96,7 @@
#define ___DEF (_PAGE_PRESENT | _PAGE_DEF_CACHEABLE)
/* Set of bits not changed in pte_modify */
-#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_SPECIAL)
+#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED)
/* More Abbrevaited helpers */
#define PAGE_U_NONE __pgprot(___DEF)
diff --git a/arch/arc/include/uapi/asm/elf.h b/arch/arc/include/uapi/asm/elf.h
index 0f99ac8fcbb2..0037a587320d 100644
--- a/arch/arc/include/uapi/asm/elf.h
+++ b/arch/arc/include/uapi/asm/elf.h
@@ -13,8 +13,15 @@
/* Machine specific ELF Hdr flags */
#define EF_ARC_OSABI_MSK 0x00000f00
-#define EF_ARC_OSABI_ORIG 0x00000000 /* MUST be zero for back-compat */
-#define EF_ARC_OSABI_CURRENT 0x00000300 /* v3 (no legacy syscalls) */
+
+#define EF_ARC_OSABI_V3 0x00000300 /* v3 (no legacy syscalls) */
+#define EF_ARC_OSABI_V4 0x00000400 /* v4 (64bit data any reg align) */
+
+#if __GNUC__ < 6
+#define EF_ARC_OSABI_CURRENT EF_ARC_OSABI_V3
+#else
+#define EF_ARC_OSABI_CURRENT EF_ARC_OSABI_V4
+#endif
typedef unsigned long elf_greg_t;
typedef unsigned long elf_fpregset_t;
diff --git a/arch/arc/kernel/arcksyms.c b/arch/arc/kernel/arcksyms.c
index 4d9e77724bed..000dd041ab42 100644
--- a/arch/arc/kernel/arcksyms.c
+++ b/arch/arc/kernel/arcksyms.c
@@ -28,6 +28,7 @@ extern void __muldf3(void);
extern void __divdf3(void);
extern void __floatunsidf(void);
extern void __floatunsisf(void);
+extern void __udivdi3(void);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__ashrdi3);
@@ -45,6 +46,7 @@ EXPORT_SYMBOL(__muldf3);
EXPORT_SYMBOL(__divdf3);
EXPORT_SYMBOL(__floatunsidf);
EXPORT_SYMBOL(__floatunsisf);
+EXPORT_SYMBOL(__udivdi3);
/* ARC optimised assembler routines */
EXPORT_SYMBOL(memset);
diff --git a/arch/arc/kernel/asm-offsets.c b/arch/arc/kernel/asm-offsets.c
index 6c3aa0edb9b5..5f14311ce59e 100644
--- a/arch/arc/kernel/asm-offsets.c
+++ b/arch/arc/kernel/asm-offsets.c
@@ -59,5 +59,7 @@ int main(void)
DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs));
DEFINE(SZ_PT_REGS, sizeof(struct pt_regs));
+ DEFINE(PT_user_r25, offsetof(struct pt_regs, user_r25));
+
return 0;
}
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index e095c557afdd..72d3990799d5 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -201,7 +201,7 @@ int elf_check_arch(const struct elf32_hdr *x)
return 0;
eflags = x->e_flags;
- if ((eflags & EF_ARC_OSABI_MSK) < EF_ARC_OSABI_CURRENT) {
+ if ((eflags & EF_ARC_OSABI_MSK) != EF_ARC_OSABI_CURRENT) {
pr_err("ABI mismatch - you need newer toolchain\n");
force_sigsegv(SIGSEGV, current);
return 0;
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 1d167c6df8ca..321a4b67bfa0 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -237,8 +237,10 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len)
cpu->dccm.base_addr, TO_KB(cpu->dccm.sz),
cpu->iccm.base_addr, TO_KB(cpu->iccm.sz));
- n += scnprintf(buf + n, len - n,
- "OS ABI [v3]\t: no-legacy-syscalls\n");
+ n += scnprintf(buf + n, len - n, "OS ABI [v%d]\t: %s\n",
+ EF_ARC_OSABI_CURRENT >> 8,
+ EF_ARC_OSABI_CURRENT == EF_ARC_OSABI_V3 ?
+ "no-legacy-syscalls" : "64-bit data any register aligned");
return buf;
}
diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 12b2100db073..9cfaae9887b9 100644
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -155,6 +155,15 @@ void arc_cache_init(void)
printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
+ /*
+ * Only master CPU needs to execute rest of function:
+ * - Assume SMP so all cores will have same cache config so
+ * any geomtry checks will be same for all
+ * - IOC setup / dma callbacks only need to be setup once
+ */
+ if (cpu)
+ return;
+
if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE)) {
struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index b83f3b7737fb..087acb569b63 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -193,15 +193,44 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment_t fs = USER_DS; /* initialized to kill a warning */
- unsigned long local_arg = arg;
- int ret;
+ struct oabi_flock64 user;
+ mm_segment_t fs;
+ long ret;
+
+ if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
+ sizeof(user)))
+ return -EFAULT;
+ kernel.l_type = user.l_type;
+ kernel.l_whence = user.l_whence;
+ kernel.l_start = user.l_start;
+ kernel.l_len = user.l_len;
+ kernel.l_pid = user.l_pid;
+
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = sys_fcntl64(fd, cmd, (unsigned long)&kernel);
+ set_fs(fs);
+
+ if (!ret && (cmd == F_GETLK64 || cmd == F_OFD_GETLK)) {
+ user.l_type = kernel.l_type;
+ user.l_whence = kernel.l_whence;
+ user.l_start = kernel.l_start;
+ user.l_len = kernel.l_len;
+ user.l_pid = kernel.l_pid;
+ if (copy_to_user((struct oabi_flock64 __user *)arg,
+ &user, sizeof(user)))
+ ret = -EFAULT;
+ }
+ return ret;
+}
+asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+ unsigned long arg)
+{
switch (cmd) {
case F_OFD_GETLK:
case F_OFD_SETLK:
@@ -209,39 +238,11 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
case F_GETLK64:
case F_SETLK64:
case F_SETLKW64:
- if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
- sizeof(user)))
- return -EFAULT;
- kernel.l_type = user.l_type;
- kernel.l_whence = user.l_whence;
- kernel.l_start = user.l_start;
- kernel.l_len = user.l_len;
- kernel.l_pid = user.l_pid;
- local_arg = (unsigned long)&kernel;
- fs = get_fs();
- set_fs(KERNEL_DS);
- }
-
- ret = sys_fcntl64(fd, cmd, local_arg);
+ return do_locks(fd, cmd, arg);
- switch (cmd) {
- case F_GETLK64:
- if (!ret) {
- user.l_type = kernel.l_type;
- user.l_whence = kernel.l_whence;
- user.l_start = kernel.l_start;
- user.l_len = kernel.l_len;
- user.l_pid = kernel.l_pid;
- if (copy_to_user((struct oabi_flock64 __user *)arg,
- &user, sizeof(user)))
- ret = -EFAULT;
- }
- case F_SETLK64:
- case F_SETLKW64:
- set_fs(fs);
+ default:
+ return sys_fcntl64(fd, cmd, arg);
}
-
- return ret;
}
struct oabi_epoll_event {
diff --git a/arch/parisc/include/uapi/asm/errno.h b/arch/parisc/include/uapi/asm/errno.h
index c0ae62520d15..274d5bc6ecce 100644
--- a/arch/parisc/include/uapi/asm/errno.h
+++ b/arch/parisc/include/uapi/asm/errno.h
@@ -97,10 +97,10 @@
#define ENOTCONN 235 /* Transport endpoint is not connected */
#define ESHUTDOWN 236 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 237 /* Too many references: cannot splice */
-#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */
#define ETIMEDOUT 238 /* Connection timed out */
#define ECONNREFUSED 239 /* Connection refused */
-#define EREMOTERELEASE 240 /* Remote peer released connection */
+#define EREFUSED ECONNREFUSED /* for HP's NFS apparently */
+#define EREMOTERELEASE 240 /* Remote peer released connection */
#define EHOSTDOWN 241 /* Host is down */
#define EHOSTUNREACH 242 /* No route to host */
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 9a4e71261fca..b264937bba68 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -678,7 +678,7 @@ int eeh_pci_enable(struct eeh_pe *pe, int function)
/* Check if the request is finished successfully */
if (active_flag) {
rc = eeh_ops->wait_state(pe, PCI_BUS_RESET_WAIT_MSEC);
- if (rc <= 0)
+ if (rc < 0)
return rc;
if (rc & active_flag)
diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S
index 1dd5bd8a8c59..133055311dce 100644
--- a/arch/um/include/asm/common.lds.S
+++ b/arch/um/include/asm/common.lds.S
@@ -81,7 +81,7 @@
.altinstr_replacement : { *(.altinstr_replacement) }
/* .exit.text is discard at runtime, not link time, to deal with references
from .altinstructions and .eh_frame */
- .exit.text : { *(.exit.text) }
+ .exit.text : { EXIT_TEXT }
.exit.data : { *(.exit.data) }
.preinit_array : {
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 307a49828826..def2e2e523f1 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1583,6 +1583,9 @@ void __init enable_IR_x2apic(void)
unsigned long flags;
int ret, ir_stat;
+ if (skip_ioapic_setup)
+ return;
+
ir_stat = irq_remapping_prepare();
if (ir_stat < 0 && !x2apic_supported())
return;
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index e4cf63301ff4..c6c4248ab138 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -618,6 +618,17 @@ static void init_amd_gh(struct cpuinfo_x86 *c)
set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH);
}
+#define MSR_AMD64_DE_CFG 0xC0011029
+
+static void init_amd_ln(struct cpuinfo_x86 *c)
+{
+ /*
+ * Apply erratum 665 fix unconditionally so machines without a BIOS
+ * fix work.
+ */
+ msr_set_bit(MSR_AMD64_DE_CFG, 31);
+}
+
static void init_amd_bd(struct cpuinfo_x86 *c)
{
u64 value;
@@ -675,6 +686,7 @@ static void init_amd(struct cpuinfo_x86 *c)
case 6: init_amd_k7(c); break;
case 0xf: init_amd_k8(c); break;
case 0x10: init_amd_gh(c); break;
+ case 0x12: init_amd_ln(c); break;
case 0x15: init_amd_bd(c); break;
}
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 1f316f066c49..68cf2ec816d5 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -55,12 +55,12 @@ asm (".pushsection .entry.text, \"ax\"\n"
".popsection");
/* identity function, which can be inlined */
-u32 _paravirt_ident_32(u32 x)
+u32 notrace _paravirt_ident_32(u32 x)
{
return x;
}
-u64 _paravirt_ident_64(u64 x)
+u64 notrace _paravirt_ident_64(u64 x)
{
return x;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 14:41:13 +0000