From: Borislav Petkov <bp@alien8.de>
To: Andy Lutomirski <luto@kernel.org>
Cc: X86 ML <x86@kernel.org>,
jpa@kernelbug.mail.kapsi.fi, Dave Hansen <dave.hansen@intel.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] selftests/fpu: Add an FPU selftest
Date: Mon, 22 Jun 2020 19:12:40 +0200 [thread overview]
Message-ID: <20200622171240.GI32200@zn.tnic> (raw)
In-Reply-To: <CALCETrXXzt8WZMs3dsReCJ5wdF3zhxFmUtGnmdCgV7_exFUKKQ@mail.gmail.com>
On Fri, Jun 19, 2020 at 11:00:28AM -0700, Andy Lutomirski wrote:
> This should be cc-option, not cc-ifversion, I think.
Why?
> But maybe we should consider dropping the problematic GCC version
> instead? The old GCC versions with stack alignment problems are
> seriously problematic for x86 kernels, and I don't really trust
> kernels built with them.
Can't - we just upped min gcc version to 4.8:
5429ef62bcf3 ("compiler/gcc: Raise minimum GCC version for kernel builds to 4.8")
I mean we could but everytime we do that, it is all a big bikeshedding
discussion. Even though almost everyone is using gcc9 or so to build...
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-06-22 17:12 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 17:41 [PATCH 0/2] x86/FPU: FPU sanitization for in-kernel use Borislav Petkov
2020-06-19 17:41 ` [PATCH 1/2] x86/fpu: Reset MXCSR to default in kernel_fpu_begin() Borislav Petkov
2020-06-19 18:01 ` Andy Lutomirski
2020-06-22 17:09 ` Borislav Petkov
2020-06-22 18:33 ` Andy Lutomirski
2020-06-22 18:36 ` Petteri Aimonen
2020-06-22 18:38 ` Dave Hansen
2020-06-22 18:40 ` Andy Lutomirski
2020-06-22 18:59 ` Borislav Petkov
2020-06-19 17:41 ` [PATCH 2/2] selftests/fpu: Add an FPU selftest Borislav Petkov
2020-06-19 18:00 ` Andy Lutomirski
2020-06-22 17:12 ` Borislav Petkov [this message]
2020-06-22 18:26 ` Andy Lutomirski
2020-06-22 19:01 ` Borislav Petkov
[not found] ` <B4D00859-000A-4F8C-8CFB-45B9BBCCA16D@amacapital.net>
2020-06-23 10:28 ` Borislav Petkov
2020-06-23 18:22 ` Andy Lutomirski
2020-06-23 18:47 ` Borislav Petkov
2020-06-23 19:07 ` Nick Desaulniers
2020-06-23 19:13 ` Borislav Petkov
2020-06-23 20:58 ` Nick Desaulniers
2020-06-23 21:32 ` Borislav Petkov
2020-06-20 19:55 ` kernel test robot
2020-06-20 19:55 ` kernel test robot
2020-06-22 17:04 ` Borislav Petkov
2020-06-22 17:04 ` Borislav Petkov
2020-06-22 18:15 ` Nick Desaulniers
2020-06-22 18:15 ` Nick Desaulniers
-- strict thread matches above, loose matches on Subject: below --
2020-06-20 10:22 kernel test robot
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