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authorIngo Molnar <mingo@elte.hu>2010-08-02 02:29:56 -0400
committerIngo Molnar <mingo@elte.hu>2010-08-02 02:31:54 -0400
commit3772b734720e1a3f2dc1d95cfdfaa5332f4ccf01 (patch)
treea1a8cc85948c086aa12a1d8014151a7ca7c04ea8 /arch/x86/kernel/cpu/cpufreq/powernow-k8.c
parent9fc3af467d0749989518a23f7289a6f44e5cb214 (diff)
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
Merge commit 'v2.6.35' into perf/core
Conflicts: tools/perf/Makefile tools/perf/util/hist.c Merge reason: Resolve the conflicts and update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/powernow-k8.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 7ec2123838e6..3e90cce3dc8b 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1023,13 +1023,12 @@ static int get_transition_latency(struct powernow_k8_data *data)
1023 } 1023 }
1024 if (max_latency == 0) { 1024 if (max_latency == 0) {
1025 /* 1025 /*
1026 * Fam 11h always returns 0 as transition latency. 1026 * Fam 11h and later may return 0 as transition latency. This
1027 * This is intended and means "very fast". While cpufreq core 1027 * is intended and means "very fast". While cpufreq core and
1028 * and governors currently can handle that gracefully, better 1028 * governors currently can handle that gracefully, better set it
1029 * set it to 1 to avoid problems in the future. 1029 * to 1 to avoid problems in the future.
1030 * For all others it's a BIOS bug.
1031 */ 1030 */
1032 if (boot_cpu_data.x86 != 0x11) 1031 if (boot_cpu_data.x86 < 0x11)
1033 printk(KERN_ERR FW_WARN PFX "Invalid zero transition " 1032 printk(KERN_ERR FW_WARN PFX "Invalid zero transition "
1034 "latency\n"); 1033 "latency\n");
1035 max_latency = 1; 1034 max_latency = 1;