From: David Laight <David.Laight@ACULAB.COM>
To: "'alexs@kernel.org'" <alexs@kernel.org>,
Eric Biederman <ebiederm@xmission.com>,
Kees Cook <keescook@chromium.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Alex Shi <alexsshi@tencent.com>,
"curlinhuang@tencent.com" <curlinhuang@tencent.com>
Subject: RE: [PATCH] execve: argument list space enlargement
Date: Fri, 5 Jan 2024 12:02:08 +0000 [thread overview]
Message-ID: <1834358b1a8642f9b46a209bad035474@AcuMS.aculab.com> (raw)
In-Reply-To: <20240103130722.1551670-1-alexs@kernel.org>
From: alexs@kernel.org
> Sent: 03 January 2024 13:07
>
> From: Alex Shi <alexsshi@tencent.com>
>
> Wechat using too long gcc parameters, then get a strace complain:
> execve(...) = -1 E2BIG (Argument list too long)
> Have to increase the parameter space for this, stack has enough
> space for this enlargement.
They should fix their build so that it doesn't explode.
It'll probably speed up the compiles as well since the
very long argv[] almost certainly comes from a lot of -I dir
options and they slow down the compile.
if they are -Dvar[=val] then '-include file' can be used instead.
David
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Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2024-01-05 12:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-03 13:07 alexs
2024-01-05 12:02 ` David Laight [this message]
2024-01-11 0:13 ` Kees Cook
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