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commit be68a8aaf925aaf35574260bf820bb09d2f9e07f upstream.
Our field definitions for CTR_EL0 suffer from a number of problems:
- The IDC and DIC fields are missing, which causes us to enable CTR
trapping on CPUs with either of these returning non-zero values.
- The ERG is FTR_LOWER_SAFE, whereas it should be treated like CWG as
FTR_HIGHER_SAFE so that applications can use it to avoid false sharing.
- [nit] A RES1 field is described as "RAO"
This patch updates the CTR_EL0 field definitions to fix these issues.
Cc: <stable@vger.kernel.org> # 4.4.y only
Cc: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
375dddef57