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authorAlastair D'Silva <alastair@d-silva.org>2018-05-11 16:12:57 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-06-03 20:40:31 +1000
commit819844285ef2b5d15466f5b5062514135ffba06c (patch)
treec72b6e74646cb19cace8d1920c34dc2ae5176c63 /arch/powerpc/kernel/process.c
parent56c0b48b1e443efa5d6f4d60513302c934e55b17 (diff)
downloadlinux-819844285ef2b5d15466f5b5062514135ffba06c.tar.gz
powerpc: Add TIDR CPU feature for POWER9
This patch adds a CPU feature bit to show whether the CPU has the TIDR register available, enabling as_notify/wait in userspace. Signed-off-by: Alastair D'Silva <alastair@d-silva.org> Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/process.c')
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