From: Andrew Morton <akpm@osdl.org>
Date: Tue, 11 Apr 2006 05:54:34 +0000 (-0700)
Subject: [PATCH] 3ware: kmap_atomic() fix
X-Git-Tag: v2.6.17-rc2~171
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7551d9a20b3cfbac9f8a28b7d909c4b15a94924f;p=pandora-kernel.git

[PATCH] 3ware: kmap_atomic() fix

We must disable local IRQs while holding KM_IRQ0 or KM_IRQ1.  Otherwise, an
IRQ handler could use those kmap slots while this code is using them,
resulting in memory corruption.

Thanks to Nick Orlov <bugfixer@list.ru> for reporting.

Cc: <linuxraid@amcc.com>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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