linux-kernel - Re: [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler

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Message-Id: <160802920955.504444.6903217720200398229.b4-ty@ellerman.id.au>
Date:   Tue, 15 Dec 2020 21:48:58 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v1 1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler

On Tue, 24 Nov 2020 15:24:54 +0000 (UTC), Christophe Leroy wrote:
> Since commit e611939fc8ec ("powerpc/mm: Ensure change_page_attr()
> doesn't invalidate pinned TLBs"), pinned TLBs are not anymore
> invalidated by __kernel_map_pages() when CONFIG_DEBUG_PAGEALLOC is
> selected.
> 
> Remove the dependency on CONFIG_DEBUG_PAGEALLOC.

Applied to powerpc/next.

[1/6] powerpc/8xx: DEBUG_PAGEALLOC doesn't require an ITLB miss exception handler
      https://git.kernel.org/powerpc/c/613df979da6c032cbe6fa273fb8ca21af022157e
[2/6] powerpc/8xx: Always pin kernel text TLB
      https://git.kernel.org/powerpc/c/bccc58986a2f98e3af349c85c5f49aac7fb19ef2
[3/6] powerpc/8xx: Simplify INVALIDATE_ADJACENT_PAGES_CPU15
      https://git.kernel.org/powerpc/c/576e02bbf1062b9118d5bbb96a40ed3b6b359f22
[4/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in ITLB miss exception
      https://git.kernel.org/powerpc/c/a314ea5abf6dbaf35f14c9bd1d93105260fb9336
[5/6] powerpc/8xx: Use SPRN_SPRG_SCRATCH2 in DTLB miss exception
      https://git.kernel.org/powerpc/c/89eecd938cab80f0da18abbd2ed997a521f83f01
[6/6] powerpc/ppc-opcode: Add PPC_RAW_MFSPR()
      https://git.kernel.org/powerpc/c/70b588a068668dd7a92ed19cf0373ba92847957c

cheers