From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Richard Henderson <rth@twiddle.net>,
Andrew Morton <akpm@osdl.org>,
Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
Linus Torvalds <torvalds@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [ALPHA] Fix unaligned stxncpy again
Date: Sat, 10 Apr 2004 21:46:33 +0400 [thread overview]
Message-ID: <20040410214633.A24987@jurassic.park.msu.ru> (raw)
In-Reply-To: <20040409235040.GA14950@gondor.apana.org.au>; from herbert@gondor.apana.org.au on Sat, Apr 10, 2004 at 09:50:40AM +1000
On Sat, Apr 10, 2004 at 09:50:40AM +1000, Herbert Xu wrote:
> Thanks. But is there any reason why we need to have code that
> is different from glibc?
The code is different anyway because the glibc routine clobbers
t7 register which must not be touched in the kernel.
Apparently the whole mess started with a typo in the register
renaming patch...
Yes, ideally glibc and kernel stxncpy code can be exactly the same,
but this assumes that the glibc variant is updated to not use the t7.
Ivan.
prev parent reply other threads:[~2004-04-10 17:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-09 10:32 Herbert Xu
2004-04-09 19:35 ` Ivan Kokshaysky
2004-04-09 23:50 ` Herbert Xu
2004-04-10 17:46 ` Ivan Kokshaysky [this message]
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