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authorRafael J. Wysocki <rjw@sisk.pl>2007-04-01 23:49:49 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-02 10:06:09 -0700
commit1d64b9cb1dc2a7cd521444e3d908adeccd026356 (patch)
tree31c6c7751b656e74b5ee05159c85154f710e8956 /mm/backing-dev.c
parent0c84ce268b69855919b6ac7edc8f11caf21e9c88 (diff)
[PATCH] Fix microcode-related suspend problem
Fix the regression resulting from the recent change of suspend code ordering that causes systems based on Intel x86 CPUs using the microcode driver to hang during the resume. The problem occurs since the microcode driver uses request_firmware() in its CPU hotplug notifier, which is called after tasks has been frozen and hangs. It can be fixed by telling the microcode driver to use the microcode stored in memory during the resume instead of trying to load it from disk. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Adrian Bunk <bunk@stusta.de> Cc: Tigran Aivazian <tigran@aivazian.fsnet.co.uk> Cc: Pavel Machek <pavel@ucw.cz> Cc: Maxim <maximlevitsky@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/backing-dev.c')
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