From: Borislav Petkov <bp@alien8.de>
To: Xiaoyao Li <xiaoyao.li@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/cpufeatures: make bits in cpu_caps_cleared[] and cpu_cpus_set[] exclusive
Date: Wed, 18 Mar 2020 11:32:19 +0100 [thread overview]
Message-ID: <20200318103219.GA4377@zn.tnic> (raw)
In-Reply-To: <20200318061624.150313-1-xiaoyao.li@intel.com>
On Wed, Mar 18, 2020 at 02:16:24PM +0800, Xiaoyao Li wrote:
> In apply_forced_caps(), cpu_caps_set[] overrides cpu_caps_cleared[], so
> that setup_clear_cpu_cap() cannot clear one cap if setup_force_cpu_cap()
> sets the cap before it.
Context pls: what is the observation, what are you trying to do,
reproducer, etc?
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-03-18 10:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-18 6:16 [PATCH] x86/cpufeatures: make bits in cpu_caps_cleared[] and cpu_cpus_set[] exclusive Xiaoyao Li
2020-03-18 10:32 ` Borislav Petkov [this message]
2020-03-18 12:57 ` Xiaoyao Li
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