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From: Borislav Petkov <bp@alien8.de>
To: Wei Huang <whuang2@amd.com>
Cc: Wei Huang <wei.huang2@amd.com>,
	linux-kernel@vger.kernel.org, tony.luck@intel.com,
	yazen.ghannam@amd.com, tglx@linutronix.de, mingo@redhat.com,
	hpa@zytor.com, linux-edac@vger.kernel.org, x86@kernel.org,
	smita.koralahallichannabasappa@amd.com
Subject: Re: [PATCH 1/1] x86/mce/amd: Add PPIN support for AMD MCE
Date: Thu, 19 Mar 2020 21:21:34 +0100	[thread overview]
Message-ID: <20200319202134.GG13073@zn.tnic> (raw)
In-Reply-To: <53d25b8c-dabe-1b91-4d3b-0a223075e42a@amd.com>

On Thu, Mar 19, 2020 at 03:14:53PM -0500, Wei Huang wrote:
> My proposal is to move mce_amd_ppin_init() function to
> ./arch/x86/kernel/cpu/amd.c and probe X86_FEATURE_AMD_PPIN there. This
> is similar to what early_detect_mem_encrypt() does. Later, mce_setup()
> can use X86_FEATURE_AMD_PPIN directly. Is this approach acceptable?

You can add it to arch/x86/kernel/cpu/mce/amd.c just like
intel_ppin_init() is respectively in .../mce/intel.c, as mce/ is where
this thing is used only. We can move it to kernel/cpu/ later if it turns
out that it is needed for something else.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

  reply	other threads:[~2020-03-19 20:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-11  4:44 [PATCH 1/1] x86/mce/amd: Add PPIN support for AMD MCE Wei Huang
2020-03-11 16:05 ` Luck, Tony
2020-03-16 18:08 ` Borislav Petkov
2020-03-16 19:20   ` Wei Huang
2020-03-19 20:14   ` Wei Huang
2020-03-19 20:21     ` Borislav Petkov [this message]
2020-03-19 20:58       ` Huang2, Wei
2020-03-19 21:09         ` Borislav Petkov
2020-03-19 21:44           ` Huang2, Wei
2020-03-19 21:56             ` Borislav Petkov

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