Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()

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To: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Subject: Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
From: Oscar Salvador <osalvador@xxxxxxx>
Date: Tue, 21 May 2024 11:26:43 +0200
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Peter Xu <peterx@xxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>
In-reply-to: <87zfsk2dnu.fsf@mail.lhotse>
References: <cover.1715971869.git.christophe.leroy@csgroup.eu> <04f4e737608ea0b177b88057db138fbf0d6ab138.1715971869.git.christophe.leroy@csgroup.eu> <ZksUiwNaKx2n1fJO@localhost.localdomain> <f26807dd-bbd2-405d-9a88-c0654c525a5c@csgroup.eu> <87zfsk2dnu.fsf@mail.lhotse>

On Tue, May 21, 2024 at 10:48:21AM +1000, Michael Ellerman wrote:
> Yeah I can. Does it actually cause a bug at runtime (I assume so)?

No, currently set_huge_pte_at() from 8xx ignores the 'sz' parameter.
But it will be used after this series.

-- 
Oscar Salvador
SUSE Labs

Follow-Ups:
- Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
  - From: Christophe Leroy

References:
- [RFC PATCH v2 00/20] Reimplement huge pages without hugepd on powerpc (8xx, e500, book3s/64)
  - From: Christophe Leroy
- [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
  - From: Christophe Leroy
- Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
  - From: Oscar Salvador
- Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
  - From: Christophe Leroy
- Re: [RFC PATCH v2 06/20] powerpc/8xx: Fix size given to set_huge_pte_at()
  - From: Michael Ellerman

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