From: David Howells <dhowells@redhat.com>
Date: Fri, 6 Jan 2006 08:11:44 +0000 (-0800)
Subject: [PATCH] FRV: Make futex code compilable on nommu [try #2]
X-Git-Tag: v2.6.16-rc1~936^2~215
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ee1dd3fee22f15728f545d266403fc977e1eb99;p=pandora-kernel.git

[PATCH] FRV: Make futex code compilable on nommu [try #2]

Make the futex code compilable and usable on NOMMU by making the attempt to
handle page faults conditional on CONFIG_MMU.  If this is not enabled, then
we can assume that EFAULT returned from futex_atomic_op_inuser() is not
recoverable, and that the address lies outside of valid memory.

handle_mm_fault() is made to BUG if called on NOMMU without attempting to
invoke the actual handler (__handle_mm_fault).

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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