Re: powerpc/64s/radix: Fix radix_kvm_prefetch_workaround paca access of not possible CPU
flat view
From: Michael Ellerman <hidden>
Date: 2018-06-23 12:56:03
On Tue, 2018-06-12 at 09:38:08 UTC, Nicholas Piggin wrote:
If possible CPUs are limited (e.g., by kexec), then the kvm prefetch
workaround function can access the paca pointer for a !possible CPU.
Fixes: d2e60075a3d44 ("powerpc/64: Use array of paca pointers and allocate pacas individually")
Cc: stable@kernel.org
Reported-by: Pridhiviraj Paidipeddi <redacted>
Tested-by: Pridhiviraj Paidipeddi <redacted>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/758380b8155f69b4e2f77f27562f8a cheers