From: Borislav Petkov <bp@alien8.de>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: linux-kernel@vger.kernel.org, rafael@kernel.org, lenb@kernel.org,
linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org,
dave.hansen@linux.intel.com, tglx@linutronix.de, andi@lisas.de,
puwen@hygon.cn, mario.limonciello@amd.com, peterz@infradead.org,
rui.zhang@intel.com, gpiccoli@igalia.com,
daniel.lezcano@linaro.org, ananth.narayan@amd.com,
gautham.shenoy@amd.com, Calvin Ong <calvin.ong@amd.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v2] x86,acpi: Limit "Dummy wait" workaround to older AMD and Intel processors
Date: Fri, 23 Sep 2022 17:46:25 +0200 [thread overview]
Message-ID: <Yy3U0fQ0GZYZnMa1@zn.tnic> (raw)
In-Reply-To: <20220923153801.9167-1-kprateek.nayak@amd.com>
On Fri, Sep 23, 2022 at 09:08:01PM +0530, K Prateek Nayak wrote:
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index ef4775c6db01..fcd3617ed315 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -460,5 +460,6 @@
> #define X86_BUG_MMIO_UNKNOWN X86_BUG(26) /* CPU is too old and its MMIO Stale Data status is unknown */
> #define X86_BUG_RETBLEED X86_BUG(27) /* CPU is affected by RETBleed */
> #define X86_BUG_EIBRS_PBRSB X86_BUG(28) /* EIBRS is vulnerable to Post Barrier RSB Predictions */
> +#define X86_BUG_STPCLK X86_BUG(29) /* STPCLK# signal does not get asserted in time during IOPORT based C-state entry */
What for?
Did you not see this thread?
https://lore.kernel.org/r/78d13a19-2806-c8af-573e-7f2625edfab8@intel.com
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-09-23 15:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-23 15:38 [PATCH v2] x86,acpi: Limit "Dummy wait" workaround to older AMD and Intel processors K Prateek Nayak
2022-09-23 15:46 ` Borislav Petkov [this message]
2022-09-23 16:25 ` K Prateek Nayak
2022-09-23 16:30 ` Borislav Petkov
2022-09-23 16:52 ` K Prateek Nayak
2022-09-26 8:19 ` David Laight
2022-09-26 12:07 ` Peter Zijlstra
2022-09-26 16:32 ` K Prateek Nayak
2022-09-26 19:55 ` Andreas Mohr
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