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Date: Mon, 4 Oct 2010 20:25:48 GMT From: tip-bot for Andreas Herrmann <andreas.herrmann3@....com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com, andreas.herrmann3@....com, tglx@...utronix.de, hpa@...ux.intel.com Subject: [tip:x86/amd-nb] x86, nmi: Support NMI watchdog on newer AMD CPU families Commit-ID: 420b13b60a3e5c5dcc6ec290e131cf5fbc603d94 Gitweb: http://git.kernel.org/tip/420b13b60a3e5c5dcc6ec290e131cf5fbc603d94 Author: Andreas Herrmann <andreas.herrmann3@....com> AuthorDate: Thu, 30 Sep 2010 14:33:58 +0200 Committer: H. Peter Anvin <hpa@...ux.intel.com> CommitDate: Fri, 1 Oct 2010 16:18:32 -0700 x86, nmi: Support NMI watchdog on newer AMD CPU families CPU families 0x12, 0x14 and 0x15 support this functionality. Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com> LKML-Reference: <20100930123357.GC20545@...e.amd.com> Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com> --- arch/x86/kernel/cpu/perfctr-watchdog.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index fb329e9..d9f4ff8 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -700,11 +700,10 @@ static void probe_nmi_watchdog(void) { switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: - if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15 && - boot_cpu_data.x86 != 16 && boot_cpu_data.x86 != 17) - return; - wd_ops = &k7_wd_ops; - break; + if (boot_cpu_data.x86 == 6 || + (boot_cpu_data.x86 >= 0xf && boot_cpu_data.x86 <= 0x15)) + wd_ops = &k7_wd_ops; + return; case X86_VENDOR_INTEL: /* Work around where perfctr1 doesn't have a working enable * bit as described in the following errata: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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