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authorVladimir Murzin <vladimir.murzin@arm.com>2017-04-24 12:40:48 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2017-04-26 12:57:53 +0300
commit6d80594936914e798b1b54b3bfe4bd68d8418966 (patch)
tree870eb3154904c3f0b590b72f139756c21c87c322 /arch/powerpc/include/uapi
parent3872fe83a2fbb7366daa93ca533a22138e2d483e (diff)
downloadlinux-6d80594936914e798b1b54b3bfe4bd68d8418966.tar.xz
ARM: 8670/1: V7M: Do not corrupt vector table around v7m_invalidate_l1 call
We save/restore registers around v7m_invalidate_l1 to address pointed by r12, which is vector table, so the first eight entries are overwritten with a garbage. We already have stack setup at that stage, so use it to save/restore register. Fixes: 6a8146f420be ("ARM: 8609/1: V7M: Add support for the Cortex-M7 processor") Cc: <stable@vger.kernel.org> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/powerpc/include/uapi')
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