Messages in this thread Patch in this message | | | From | David Wang <> | Subject | [PATCH v2 1/2] x86/mce: new Centaur CPUs support MCE broadcasting | Date | Mon, 2 Apr 2018 11:33:51 +0800 |
| |
This patch is used to tell the kernel that newer Centaur CPU support MCE broadcasting.
Signed-off-by: David Wang <davidwang@zhaoxin.com> --- arch/x86/kernel/cpu/mcheck/mce.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 7065846..c3db7ce 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1688,6 +1688,17 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c) if (c->x86 == 6 && c->x86_model == 45) quirk_no_way_out = quirk_sandybridge_ifu; } + + if (c->x86_vendor == X86_VENDOR_CENTAUR) { + /* + * All newer Centaur CPUs support MCE broadcasting. Enable + * synchronization with a one second timeout. + */ + if ((c->x86 > 6 || (c->x86 == 6 && c->x86_model == 0xf && c->x86_mask >=0xe)) && + cfg->monarch_timeout < 0) + cfg->monarch_timeout = USEC_PER_SEC; + } + if (cfg->monarch_timeout < 0) cfg->monarch_timeout = 0; if (cfg->bootlog != 0) -- 1.9.1
| |