From: Segher Boessenkool <segher@kernel.crashing.org>
To: Willy Tarreau <w@1wt.eu>
Cc: Axel Reinhold <axel@freakout.de>, linux-kernel@vger.kernel.org
Subject: Re: Kernel Bug in 2.4.35 when compiled gcc>=4.2.0 and -march=c3
Date: Mon, 6 Aug 2007 15:05:29 +0200 [thread overview]
Message-ID: <44e819389656d1465e70ce2e99fb7640@kernel.crashing.org> (raw)
In-Reply-To: <20070805154337.GA4716@1wt.eu>
> I still
> suspect that because the behaviour is different between 4.1 and 4.2, it
> might be a regression in 4.2,
The kernel code is wrong. It might have accidentally worked
with GCC-4.1, but that doesn't mean GCC-4.2 has regressed.
Only supported features that stop working are regressions;
invalid code that stops working is, well, in the worst case
an improvement in diagnostics ;-)
Segher
next prev parent reply other threads:[~2007-08-06 13:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-05 8:56 Kernel Bug in 2.4.35 when compiled gcc>=4.2.0 and -march=c3 Axel Reinhold
2007-08-05 9:49 ` Willy Tarreau
2007-08-05 15:43 ` Willy Tarreau
2007-08-05 19:17 ` Willy Tarreau
2007-08-06 13:05 ` Segher Boessenkool [this message]
2007-08-06 13:26 ` Willy Tarreau
2007-08-06 17:39 ` H. Peter Anvin
2007-08-06 17:45 ` Willy Tarreau
2007-08-06 18:01 ` H. Peter Anvin
2007-08-06 19:13 ` Willy Tarreau
2007-08-06 21:15 ` Segher Boessenkool
2007-08-06 21:16 ` Willy Tarreau
2007-08-07 5:04 ` Axel Reinhold
2007-08-07 8:12 ` Willy Tarreau
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