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powerpc/powernv/idle: Restore CIABR after idle for Power9
authorJordan Niethe <jniethe5@gmail.com>
Mon, 7 Dec 2020 01:05:19 +0000 (12:05 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 7 Dec 2020 12:26:02 +0000 (23:26 +1100)
commit1715ebbb91fac176b194c166835d107ac517a99f
tree508fc62a1ee7db8ceaf178045172298b270cbd9dtree | snapshot
parent53eb0b175986066506b2363d3adc8a91383ef33ccommit | diff
powerpc/powernv/idle: Restore CIABR after idle for Power9

On Power9, CIABR is lost after idle. This means that instruction
breakpoints set by xmon which use CIABR do not work. Fix this by
restoring CIABR after idle.

Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201207010519.15597-2-jniethe5@gmail.com
arch/powerpc/platforms/powernv/idle.c diff | blob | history
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