[PATCH] powerpc/8xx: Remove offset in SPRN_M_TWB

Madhavan Srinivasan maddy at linux.ibm.com
Fri Sep 12 13:55:55 AEST 2025


On Mon, 18 Aug 2025 11:24:22 +0200, Christophe Leroy wrote:
> SPRN_M_TWB contains the address of task PGD minus an offset which
> compensates the offset required when accessing the kernel PGDIR.
> However, since commit ac9f97ff8b32 ("powerpc/8xx: Inconditionally use
> task PGDIR in DTLB misses") and commit 33c527522f39 ("powerpc/8xx:
> Inconditionally use task PGDIR in ITLB misses") kernel PGDIR is not
> used anymore in hot pathes.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/8xx: Remove offset in SPRN_M_TWB
      https://git.kernel.org/powerpc/c/96c79fef228157baddae6574555353535772f109

Thanks


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