From: Benjamin Herrenschmidt Date: Thu, 1 Mar 2012 07:14:45 +0000 (+1100) Subject: powerpc: Add support for page fault retry and fatal signals X-Git-Tag: v3.4-rc1~159^2~23 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9be72573a80648866ed0045db22d97c6e160a540;p=pandora-kernel.git powerpc: Add support for page fault retry and fatal signals Other architectures such as x86 and ARM have been growing new support for features like retrying page faults after dropping the mm semaphore to break contention, or being able to return from a stuck page fault when a SIGKILL is pending. This refactors our implementation of do_page_fault() to move the error handling out of line in a way similar to x86 and adds support for those two features. Signed-off-by: Benjamin Herrenschmidt --- Reading git-diff-tree failed