linux-kernel - Re: [PATCH v2] powerpc/64s: Don't read H_BLOCK

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Date:   Mon, 04 Jul 2022 21:33:51 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     mpe@...erman.id.au, Laurent Dufour <ldufour@...ux.ibm.com>
Cc:     aneesh.kumar@...ux.ibm.com, Nicholas Piggin <npiggin@...il.com>,
        linuxppc-dev@...ts.ozlabs.org,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] powerpc/64s: Don't read H_BLOCK_REMOVE characteristics in radix mode

On Mon, 23 May 2022 18:43:53 +0200, Laurent Dufour wrote:
> There is no need to read the H_BLOCK_REMOVE characteristics when running in
> Radix mode because this hcall is never called.
> 
> Furthermore since the commit 387e220a2e5e ("powerpc/64s: Move hash MMU
> support code under CONFIG_PPC_64S_HASH_MMU") define
> pseries_lpar_read_hblkrm_characteristics as un empty function if
> CONFIG_PPC_64S_HASH_MMU is not set, the #ifdef block can be removed.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/64s: Don't read H_BLOCK_REMOVE characteristics in radix mode
      https://git.kernel.org/powerpc/c/61bdbca855024997fd8c82dc190f458aa81beca8

cheers