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| author |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-17 16:44:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-17 16:44:05 -0700 |
| commit | 71bfa15142177279ec63c0e400314bb81f3d7122 (patch) | |
| tree | 7b4c1c425a39d4dd70dba603b5db22140ef6db91 /arch/x86_64 | |
| parent | Minor bug fixes to i2c-pasemi (diff) | |
| parent | [PATCH] x86: Fix potential overflow in perfctr reservation (diff) | |
| download | linux-dev-71bfa15142177279ec63c0e400314bb81f3d7122.tar.xz linux-dev-71bfa15142177279ec63c0e400314bb81f3d7122.zip | |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6:
[PATCH] x86: Fix potential overflow in perfctr reservation
[PATCH] x86: Fix gcc 4.2 _proxy_pda workaround
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/nmi.c | 10 | ||||
| -rw-r--r-- | arch/x86_64/kernel/vmlinux.lds.S | 2 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index a90996c27dc8..dfab9f167366 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -39,15 +39,17 @@ int panic_on_unrecovered_nmi; * different subsystems this reservation system just tries to coordinate * things a little */ -static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner); -static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[2]); - -static cpumask_t backtrace_mask = CPU_MASK_NONE; /* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now) */ #define NMI_MAX_COUNTER_BITS 66 +#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS) + +static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]); +static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]); + +static cpumask_t backtrace_mask = CPU_MASK_NONE; /* nmi_active: * >0: the lapic NMI watchdog is active, but can be disabled diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index b73212c0a550..5176ecf006ee 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -13,7 +13,7 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") OUTPUT_ARCH(i386:x86-64) ENTRY(phys_startup_64) jiffies_64 = jiffies; -_proxy_pda = 0; +_proxy_pda = 1; PHDRS { text PT_LOAD FLAGS(5); /* R_E */ data PT_LOAD FLAGS(7); /* RWE */ |