From: "Luck, Tony" <tony.luck@intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Yazen Ghannam <Yazen.Ghannam@amd.com>, X86 ML <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/4] x86/mce: Get rid of machine_check_vector
Date: Sun, 19 Sep 2021 21:57:09 -0700 [thread overview]
Message-ID: <YUgUpXHciLMn4X20@agluck-desk2.amr.corp.intel.com> (raw)
In-Reply-To: <20210917105355.2368-3-bp@alien8.de>
On Fri, Sep 17, 2021 at 12:53:53PM +0200, Borislav Petkov wrote:
> @@ -126,7 +123,9 @@ struct mca_config {
> ser : 1,
> recovery : 1,
> bios_cmci_threshold : 1,
> - __reserved : 59;
> + /* Proper #MC exception handler is set */
> + initialized : 1,
> + __reserved : 58;
Does this __reserved field do anything useful? It seems to
just be an annoyance that must be updated each time a new
bit is added. Surely the compiler will see that these bitfields
are in a "u64" and do the math and skip to the right boundary
without this.
-Tony
next prev parent reply other threads:[~2021-09-20 4:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-17 10:53 [PATCH 0/4] x86/mce: Remove indirect calls Borislav Petkov
2021-09-17 10:53 ` [PATCH 1/4] x86/mce: Get rid of the mce_severity function pointer Borislav Petkov
2021-09-17 10:53 ` [PATCH 2/4] x86/mce: Get rid of machine_check_vector Borislav Petkov
2021-09-20 4:57 ` Luck, Tony [this message]
2021-09-20 7:42 ` Rasmus Villemoes
2021-09-20 8:15 ` Borislav Petkov
2021-09-20 8:12 ` Borislav Petkov
2021-09-20 16:04 ` Luck, Tony
2021-09-20 16:32 ` Borislav Petkov
2021-09-17 10:53 ` [PATCH 3/4] x86/mce: Get rid of msr_ops Borislav Petkov
2021-09-20 4:47 ` Luck, Tony
2021-09-20 8:32 ` Borislav Petkov
2021-09-22 12:16 ` Borislav Petkov
2021-09-22 13:23 ` Luck, Tony
2021-09-22 13:55 ` Borislav Petkov
2021-09-22 15:22 ` Luck, Tony
2021-09-22 15:57 ` Borislav Petkov
2021-09-17 10:53 ` [PATCH 4/4] x86/mce: Get rid of the ->quirk_no_way_out() indirect call Borislav Petkov
2021-09-20 5:06 ` Luck, Tony
2021-09-20 8:34 ` Borislav Petkov
2021-09-23 14:51 ` Yazen Ghannam
2021-09-23 15:11 ` Borislav Petkov
2021-09-24 20:04 ` Yazen Ghannam
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