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(parent: 4bb3219) | patch
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)
commit250ad7a45b1e58d580decfb935fc063c4cf56f91
tree508fc62a1ee7db8ceaf178045172298b270cbd9dtree | snapshot
parent4bb3219837a3dcf58bce96c27db6e0cd48f3d9b2commit | 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
Domain: System / Kernel;