From: Borislav Petkov <bp@alien8.de>
To: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
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 v3 4/9] x86/microcode/AMD: automatically compute the PATCH_MAX_SIZE macro
Date: Thu, 15 Mar 2018 02:00:29 +0100 [thread overview]
Message-ID: <20180315010029.GD11061@pd.tnic> (raw)
In-Reply-To: <a4ea015b-1176-2db2-d339-677b1b5893f5@maciej.szmigiero.name>
On Thu, Mar 15, 2018 at 01:05:14AM +0100, Maciej S. Szmigiero wrote:
> Unfortunately, this does not work:
> > ./include/linux/kernel.h:806:41: error: braced-group within expression allowed only inside a function
> > #define __max(t1, t2, max1, max2, x, y) ({ \
Ok, let's drop this line then. It is simply too much monkey business
just to end up with max size of 4K which is F15H_MPB_MAX_SIZE,
coincidentally.
Just put a comment in verify_patch_size() stating that PATCH_MAX_SIZE
needs to be adjusted when a bigger per-family patch size gets added.
Thx.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
next prev parent reply other threads:[~2018-03-15 1:01 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1520973389.git.mail@maciej.szmigiero.name>
2018-03-13 21:06 ` [PATCH v3 1/9] x86/microcode/AMD: subtract SECTION_HDR_SIZE from file leftover length Maciej S. Szmigiero
2018-03-14 12:38 ` Borislav Petkov
2018-03-13 21:06 ` [PATCH v3 2/9] x86/microcode/AMD: check whether the equivalence table fits in the file Maciej S. Szmigiero
2018-03-14 17:04 ` Borislav Petkov
2018-03-14 23:34 ` Maciej S. Szmigiero
2018-03-15 10:42 ` Borislav Petkov
2018-03-13 21:06 ` [PATCH v3 3/9] x86/microcode/AMD: install_equiv_cpu_table() should not return (signed) int Maciej S. Szmigiero
2018-03-14 17:58 ` Borislav Petkov
2018-03-14 23:46 ` Maciej S. Szmigiero
2018-03-14 23:58 ` Borislav Petkov
2018-03-15 0:13 ` Maciej S. Szmigiero
2018-03-15 0:56 ` Borislav Petkov
2018-03-15 0:59 ` Maciej S. Szmigiero
2018-03-13 21:06 ` [PATCH v3 4/9] x86/microcode/AMD: automatically compute the PATCH_MAX_SIZE macro Maciej S. Szmigiero
2018-03-14 18:02 ` Borislav Petkov
2018-03-15 0:05 ` Maciej S. Szmigiero
2018-03-15 1:00 ` Borislav Petkov [this message]
2018-03-13 21:06 ` [PATCH v3 5/9] x86/microcode/AMD: check patch size in verify_and_add_patch() Maciej S. Szmigiero
2018-03-13 21:07 ` [PATCH v3 6/9] x86/microcode/AMD: verify patch section type for every such section Maciej S. Szmigiero
2018-03-15 16:31 ` Borislav Petkov
2018-03-13 21:07 ` [PATCH v3 7/9] x86/microcode/AMD: check microcode container file size before accessing it Maciej S. Szmigiero
2018-03-13 21:07 ` [PATCH v3 8/9] x86/microcode/AMD: check the equivalence table size when scanning it Maciej S. Szmigiero
2018-03-13 21:07 ` [PATCH v3 9/9] x86/microcode/AMD: be more tolerant of late parse failures in late loader Maciej S. Szmigiero
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