From: Borislav Petkov <bp@alien8.de>
To: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
linux-edac@vger.kernel.org, Tony Luck <tony.luck@intel.com>,
Yazen Ghannam <yazen.ghannam@amd.com>,
Muralidhara M K <muralimk@amd.com>,
Akshay Gupta <Akshay.Gupta@amd.com>,
Youquan Song <youquan.song@intel.com>,
Zhen Lei <thunder.leizhen@huawei.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 2/2] x86/mce: Add support for Extended Physical Address MCA changes
Date: Thu, 10 Jun 2021 13:55:46 +0200 [thread overview]
Message-ID: <YMH9wqUnjudiAVlr@zn.tnic> (raw)
In-Reply-To: <20210608221012.223696-3-Smita.KoralahalliChannabasappa@amd.com>
On Tue, Jun 08, 2021 at 05:10:12PM -0500, Smita Koralahalli wrote:
> diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
> index f71435e53cdb..480a497877e2 100644
> --- a/arch/x86/kernel/cpu/mce/amd.c
> +++ b/arch/x86/kernel/cpu/mce/amd.c
> @@ -204,6 +204,12 @@ EXPORT_SYMBOL_GPL(smca_banks);
> #define MAX_MCATYPE_NAME_LEN 30
> static char buf_mcatype[MAX_MCATYPE_NAME_LEN];
>
> +struct smca_config {
> + __u64 lsb_in_status : 1,
> + __reserved_0 : 63;
> +};
> +static DEFINE_PER_CPU_READ_MOSTLY(struct smca_config[MAX_NR_BANKS], smca_cfg);
Per CPU and per bank, huh? For a single bit?
Even if we have
static DEFINE_PER_CPU_READ_MOSTLY(struct mce_bank[MAX_NR_BANKS], mce_banks_array);
already?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-06-10 11:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 22:10 [PATCH 0/2] x86/mce: Support extended MCA_ADDR address on SMCA systems Smita Koralahalli
2021-06-08 22:10 ` [PATCH 1/2] x86/mce: Define function to extract ErrorAddr from MCA_ADDR Smita Koralahalli
2021-06-08 22:10 ` [PATCH 2/2] x86/mce: Add support for Extended Physical Address MCA changes Smita Koralahalli
2021-06-10 11:55 ` Borislav Petkov [this message]
2021-06-11 3:36 ` Smita Koralahalli Channabasappa
2021-06-11 7:37 ` Borislav Petkov
2021-06-25 1:33 [PATCH 1/2] x86/mce: Define function to extract ErrorAddr from MCA_ADDR Smita Koralahalli
2021-06-25 1:33 ` [PATCH 2/2] x86/mce: Add support for Extended Physical Address MCA changes Smita Koralahalli
2021-07-13 16:21 ` Yazen Ghannam
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