diff options
author | David S. Miller <davem@davemloft.net> | 2008-10-01 06:12:56 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-10-01 06:12:56 -0700 |
commit | b262e60309e1b0eb25d300c7e739427d5316abb1 (patch) | |
tree | bf319d78c79bb5cb617ff0c8340c73aa349bba15 /arch/x86/kernel/process.c | |
parent | 93c8b90f01f0dc73891da4e84b26524b61d29d66 (diff) | |
parent | 0523820482dcb42784572ffd2296c2f08c275a2b (diff) | |
download | op-kernel-dev-b262e60309e1b0eb25d300c7e739427d5316abb1.zip op-kernel-dev-b262e60309e1b0eb25d300c7e739427d5316abb1.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/ath9k/core.c
drivers/net/wireless/ath9k/main.c
net/core/dev.c
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r-- | arch/x86/kernel/process.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 7fc4d5b..876e918 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -246,6 +246,14 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c) return 1; } +static cpumask_t c1e_mask = CPU_MASK_NONE; +static int c1e_detected; + +void c1e_remove_cpu(int cpu) +{ + cpu_clear(cpu, c1e_mask); +} + /* * C1E aware idle routine. We check for C1E active in the interrupt * pending message MSR. If we detect C1E, then we handle it the same @@ -253,9 +261,6 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c) */ static void c1e_idle(void) { - static cpumask_t c1e_mask = CPU_MASK_NONE; - static int c1e_detected; - if (need_resched()) return; @@ -265,8 +270,10 @@ static void c1e_idle(void) rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi); if (lo & K8_INTP_C1E_ACTIVE_MASK) { c1e_detected = 1; - mark_tsc_unstable("TSC halt in C1E"); - printk(KERN_INFO "System has C1E enabled\n"); + if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) + mark_tsc_unstable("TSC halt in AMD C1E"); + printk(KERN_INFO "System has AMD C1E enabled\n"); + set_cpu_cap(&boot_cpu_data, X86_FEATURE_AMDC1E); } } |