From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Jiri Slaby <jirislaby@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: GIT head no longer boots on x86-64
Date: Wed, 15 Oct 2008 08:06:13 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.2.00.0810150758310.3288@nehalem.linux-foundation.org> (raw)
In-Reply-To: <20081015115153.GA16413@elte.hu>
On Wed, 15 Oct 2008, Ingo Molnar wrote:
>
> Queued the fix below up in tip/x86/urgent for a merge to Linus later
> today. Thanks!
Please don't send this crap to me.
Guys, _look_ at the patch for one second. And then tell me it isn't crap.
The question is: "Is this a vmalloc'ed area?". That's the name of the
function. AND YOU JUST BROKE IT!
Fix the damn caller instead. Don't make x86-64-specific changes to a
generic function that breaks the whole meaning of the function. I don't
understand what the hell is wrong with you people - we don't fix bugs by
introducing idiocies, we fix them by fixing the code.
EVEN YOUR COMMIT MESSAGE should have made this obvious.
The code in question already does
VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
!is_module_address(addr));
and look at that thing and ask yourself: where was the bug again.
And dammit, if you say it was in "is_vmalloc_addr()", I can only shake my
head.
Please guys. Use some taste.
Linus
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next prev parent reply other threads:[~2008-10-15 15:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <alpine.LFD.2.00.0810130752020.3288@nehalem.linux-foundation.org>
2008-10-13 15:11 ` Jiri Slaby
2008-10-13 15:47 ` Alan Cox
2008-10-15 11:51 ` Ingo Molnar
2008-10-15 13:19 ` Jiri Slaby
2008-10-15 15:06 ` Linus Torvalds [this message]
2008-10-15 15:33 ` Jiri Slaby
2008-10-15 16:01 ` Linus Torvalds
2008-10-15 20:31 ` Arjan van de Ven
2008-10-15 15:35 ` Linus Torvalds
2008-10-16 10:31 ` H. Peter Anvin
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