[PATCH] coresight: trbe: Add ISB after TRBLIMITR write

Suzuki K Poulose suzuki.poulose at arm.com
Wed Jul 9 03:02:03 PDT 2025


On Mon, 09 Jun 2025 11:19:05 +0100, James Clark wrote:
> DEN0154 states that hardware will be allowed to ignore writes to TRB*
> registers while the trace buffer is enabled. Add an ISB to ensure that
> it's disabled before clearing the other registers.
> 
> This is purely defensive because it's expected that arm_trbe_disable()
> would be called before teardown which has the required ISB.
> 
> [...]

Applied, thanks!

[1/1] coresight: trbe: Add ISB after TRBLIMITR write
      https://git.kernel.org/coresight/c/ba3264a1

Best regards,
-- 
Suzuki K Poulose <suzuki.poulose at arm.com>



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