AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/hwtracing
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Suzuki K Poulose 1384d0cba6 coresight: etm4x: Handle TRCVIPCSSCTLR accesses 
commit 60c519c5d3629c21ba356782434d5b612d312de4 upstream.

TRCVIPCSSCTLR is not present if the TRCIDR4.NUMPC > 0. Thus we
should only access the register if it is present, preventing
any undesired behavior.

Cc: stable@vger.kernel.org
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20201127175256.1092685-8-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-26 16:02:42 +01:00
..
coresight coresight: etm4x: Handle TRCVIPCSSCTLR accesses 2020-12-26 16:02:42 +01:00
intel_th intel_th: pci: Add Alder Lake CPU support 2020-10-05 12:43:54 +02:00
stm stm class: ftrace: Use different channel accroding to CPU 2020-10-05 12:43:54 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00