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authorDavid Howells <dhowells@redhat.com>2008-09-11 17:18:56 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-11 10:36:08 -0700
commitd1c6d2e547148c5aa0c0a4ff6aac82f7c6da1d8b (patch)
tree1e148af6f4898465b1f7387be335734700bf9ff8 /lib
parent6d242a263618ba7f0f9a41dd91b347d19e704bbe (diff)
MN10300: Change the fault handler to check in_atomic() not in_interrupt()
Change the MN10300 fault handler to make it check in_atomic() rather than in_interrupt() as commit 6edaf68a87d17570790fd55f0c451a29ec1d6703 did for other architectures: Author: Peter Zijlstra <a.p.zijlstra@chello.nl> Date: Wed Dec 6 20:32:18 2006 -0800 [PATCH] mm: arch do_page_fault() vs in_atomic() In light of the recent pagefault and filemap_copy_from_user work I've gone through all the arch pagefault handlers to make sure the inc_preempt_count() 'feature' works as expected. Several sections of code (including the new filemap_copy_from_user) rely on the fact that faults do not take locks under increased preempt count. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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