From: Dave Hansen <dave.hansen@intel.com>
To: Sohil Mehta <sohil.mehta@intel.com>,
x86@kernel.org, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
Sean Christopherson <seanjc@google.com>,
Tony Luck <tony.luck@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/cpufeatures: Free up unused feature bits
Date: Thu, 7 Nov 2024 15:36:44 -0800 [thread overview]
Message-ID: <7ff32a10-1950-434b-8820-bb7c3b408544@intel.com> (raw)
In-Reply-To: <20241107233000.2742619-1-sohil.mehta@intel.com>
On 11/7/24 15:30, Sohil Mehta wrote:
> Linux defined feature bits X86_FEATURE_P3 and X86_FEATURE_P4 are not
> used anywhere, neither are they visible to userspace.
> commit f31d731e4467 ("x86: use X86_FEATURE_NOPL in alternatives") got
> rid of the last usage. Remove the related mappings and code.
Hah, not referenced since 2008! This one seems like a no-brainer.
Thanks for finding it!
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
next prev parent reply other threads:[~2024-11-07 23:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-07 23:30 Sohil Mehta
2024-11-07 23:36 ` Dave Hansen [this message]
2024-11-07 23:44 ` Sohil Mehta
2024-11-07 23:49 ` H. Peter Anvin
2024-11-08 0:35 ` Sohil Mehta
2024-11-08 0:37 ` H. Peter Anvin
2024-11-08 1:12 ` Dave Hansen
2024-11-08 2:17 ` Sohil Mehta
2024-11-08 15:31 ` H. Peter Anvin
2024-11-08 18:42 ` Dave Hansen
2024-11-08 18:42 ` Sohil Mehta
2024-11-08 18:46 ` Dave Hansen
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