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authorRalf Baechle <ralf@linux-mips.org>2010-04-22 21:56:38 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-12 18:03:17 -0400
commitf32041d369d10bf7bfae39c6b8597fa8463ec304 (patch)
tree76099ed838897647b289dab92ad212c9dc380207 /drivers/char/rio/route.h
parent79d1e78997cd0030d4b449f4b8df46f933c480d7 (diff)
MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions.
(cherry picked from commit e65c7f33d75e977350ca350573d93c517ec02776) Previously it was unconditionally used on all Sibyte family SOCs. The M3 bug has to be handled in the TLB exception handler which is extremly performance sensitive, so this modification is expected to deliver around 2-3% performance improvment. This is important as required changes to the M3 workaround will make it more costly. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char/rio/route.h')
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