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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-06-25 15:44:20 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-06-30 11:04:59 +0100
commitb059bdc39321696fe8f344acb7117d57fbd7b475 (patch)
tree3a5001287ea0e16339e5cc633f1248470377f967 /arch/arm/mm/pabort-v7.S
parentfbab1c809467efe001194ab8bb17f0f451a17f97 (diff)
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ARM: entry: rejig register allocation in exception entry handlers
This allows us to avoid moving registers twice to work around the clobbered registers when we add calls to trace_hardirqs_{on,off}. Ensure that all SVC handlers return with SPSR in r5 for consistency. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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