diff options
author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 11:06:22 -0800 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-16 11:06:22 -0800 |
commit | 20b4755e4fbb226eb42951bd40b53fcbce9ef944 (patch) | |
tree | 43da70e0b32ee423d3643ecd422821383411ab72 /arch/x86/kernel/apic/x2apic_uv_x.c | |
parent | 744f9f104ea262de1dc3e29265870c649f0d9473 (diff) | |
parent | e53beacd23d9cb47590da6a7a7f6d417b941a994 (diff) |
Merge commit 'v2.6.37-rc2' into upstream/xenfs
* commit 'v2.6.37-rc2': (10093 commits)
Linux 2.6.37-rc2
capabilities/syslog: open code cap_syslog logic to fix build failure
i2c: Sanity checks on adapter registration
i2c: Mark i2c_adapter.id as deprecated
i2c: Drivers shouldn't include <linux/i2c-id.h>
i2c: Delete unused adapter IDs
i2c: Remove obsolete cleanup for clientdata
include/linux/kernel.h: Move logging bits to include/linux/printk.h
Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again)
hwmon: (w83795) Check for BEEP pin availability
hwmon: (w83795) Clear intrusion alarm immediately
hwmon: (w83795) Read the intrusion state properly
hwmon: (w83795) Print the actual temperature channels as sources
hwmon: (w83795) List all usable temperature sources
hwmon: (w83795) Expose fan control method
hwmon: (w83795) Fix fan control mode attributes
hwmon: (lm95241) Check validity of input values
hwmon: Change mail address of Hans J. Koch
PCI: sysfs: fix printk warnings
GFS2: Fix inode deallocation race
...
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_uv_x.c')
-rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index f744f54cb24..194539aea17 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -5,7 +5,7 @@ * * SGI UV APIC functions (note: not an Intel compatible APIC) * - * Copyright (C) 2007-2009 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2007-2010 Silicon Graphics, Inc. All rights reserved. */ #include <linux/cpumask.h> #include <linux/hardirq.h> @@ -41,6 +41,7 @@ DEFINE_PER_CPU(int, x2apic_extra_bits); static enum uv_system_type uv_system_type; static u64 gru_start_paddr, gru_end_paddr; +static union uvh_apicid uvh_apicid; int uv_min_hub_revision_id; EXPORT_SYMBOL_GPL(uv_min_hub_revision_id); static DEFINE_SPINLOCK(uv_nmi_lock); @@ -70,12 +71,27 @@ static int early_get_nodeid(void) return node_id.s.node_id; } +static void __init early_get_apic_pnode_shift(void) +{ + unsigned long *mmr; + + mmr = early_ioremap(UV_LOCAL_MMR_BASE | UVH_APICID, sizeof(*mmr)); + uvh_apicid.v = *mmr; + early_iounmap(mmr, sizeof(*mmr)); + if (!uvh_apicid.v) + /* + * Old bios, use default value + */ + uvh_apicid.s.pnode_shift = UV_APIC_PNODE_SHIFT; +} + static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { int nodeid; if (!strcmp(oem_id, "SGI")) { nodeid = early_get_nodeid(); + early_get_apic_pnode_shift(); x86_platform.is_untracked_pat_range = uv_is_untracked_pat_range; x86_platform.nmi_init = uv_nmi_init; if (!strcmp(oem_table_id, "UVL")) @@ -84,7 +100,7 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) uv_system_type = UV_X2APIC; else if (!strcmp(oem_table_id, "UVH")) { __get_cpu_var(x2apic_extra_bits) = - nodeid << (UV_APIC_PNODE_SHIFT - 1); + nodeid << (uvh_apicid.s.pnode_shift - 1); uv_system_type = UV_NON_UNIQUE_APIC; return 1; } @@ -363,14 +379,14 @@ struct redir_addr { #define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT static __initdata struct redir_addr redir_addrs[] = { - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG}, - {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR}, + {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR}, }; static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size) { - union uvh_si_alias0_overlay_config_u alias; + union uvh_rh_gam_alias210_overlay_config_2_mmr_u alias; union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect; int i; @@ -644,7 +660,7 @@ void uv_nmi_init(void) void __init uv_system_init(void) { - union uvh_si_addr_map_config_u m_n_config; + union uvh_rh_gam_config_mmr_u m_n_config; union uvh_node_id_u node_id; unsigned long gnode_upper, lowmem_redir_base, lowmem_redir_size; int bytes, nid, cpu, lcpu, pnode, blade, i, j, m_val, n_val; @@ -654,7 +670,7 @@ void __init uv_system_init(void) map_low_mmrs(); - m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG); + m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; n_val = m_n_config.s.n_skt; mmr_base = @@ -716,6 +732,10 @@ void __init uv_system_init(void) int apicid = per_cpu(x86_cpu_to_apicid, cpu); nid = cpu_to_node(cpu); + /* + * apic_pnode_shift must be set before calling uv_apicid_to_pnode(); + */ + uv_cpu_hub_info(cpu)->apic_pnode_shift = uvh_apicid.s.pnode_shift; pnode = uv_apicid_to_pnode(apicid); blade = boot_pnode_to_blade(pnode); lcpu = uv_blade_info[blade].nr_possible_cpus; |