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Nicholas Piggin 63fe567a06 powerpc/perf: Fix disabling BHRB and instruction sampling

commit ea142e590a upstream.

When the PMU is disabled, MMCRA is not updated to disable BHRB and
instruction sampling. This can lead to those features remaining enabled,
which can slow down a real or emulated CPU.

Fixes: 1cade527f6 ("powerpc/perf: BHRB control to disable BHRB logic when not used")
Cc: stable@vger.kernel.org # v5.9+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231018153423.298373-1-npiggin@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-11-28 17:19:55 +00:00

boot

powerpc: dts: add missing space before {

2023-08-25 08:39:30 +10:00

configs

Merge tag 'kbuild-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2023-09-05 11:01:47 -07:00

crypto

Merge tag 'v6.6-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2023-09-01 15:39:25 -07:00

include

powerpc/40x: Remove stale PTE_ATOMIC_UPDATES macro