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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-05 07:35:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-05 07:35:09 -0700 |
| commit | 0c9e98af5e94877ad3b1af2c0f39b2376a462ded (patch) | |
| tree | acbab68f802fadbff85590c139c87dc199bb465d /arch/x86/oprofile/op_model_amd.c | |
| parent | af0c25c4876305dfa1a25ac1cc92d3cddfa476a6 (diff) | |
| parent | fe0d42203cb5616eeff68b14576a0f7e2dd56625 (diff) | |
| download | linux-rt-0c9e98af5e94877ad3b1af2c0f39b2376a462ded.tar.gz | |
Merge Linux 3.0-rc6 into staging-next
This handles the merge conflicts with the
drivers/staging/brcm80211/Kconfig file due to changes on the two
different branches.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/x86/oprofile/op_model_amd.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_amd.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index 9fd8a567fe1e..9cbb710dc94b 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -609,16 +609,21 @@ static int setup_ibs_ctl(int ibs_eilvt_off) return 0; } +/* + * This runs only on the current cpu. We try to find an LVT offset and + * setup the local APIC. For this we must disable preemption. On + * success we initialize all nodes with this offset. This updates then + * the offset in the IBS_CTL per-node msr. The per-core APIC setup of + * the IBS interrupt vector is called from op_amd_setup_ctrs()/op_- + * amd_cpu_shutdown() using the new offset. + */ static int force_ibs_eilvt_setup(void) { int offset; int ret; - /* - * find the next free available EILVT entry, skip offset 0, - * pin search to this cpu - */ preempt_disable(); + /* find the next free available EILVT entry, skip offset 0 */ for (offset = 1; offset < APIC_EILVT_NR_MAX; offset++) { if (get_eilvt(offset)) break; |