From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: linuxppc-dev@lists.ozlabs.org, Michael Ellerman <mpe@ellerman.id.au>
Cc: dan@danny.cz, aneesh.kumar@linux.ibm.com, npiggin@gmail.com
Subject: Re: [PATCH] powerpc/64s/radix: Fix soft dirty tracking
Date: Mon, 03 Jul 2023 15:21:16 +1000 [thread overview]
Message-ID: <168836167603.46386.6342541280644037661.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20230511114224.977423-1-mpe@ellerman.id.au>
On Thu, 11 May 2023 21:42:24 +1000, Michael Ellerman wrote:
> It was reported that soft dirty tracking doesn't work when using the
> Radix MMU.
>
> The tracking is supposed to work by clearing the soft dirty bit for a
> mapping and then write protecting the PTE. If/when the page is written
> to, a page fault occurs and the soft dirty bit is added back via
> pte_mkdirty(). For example in wp_page_reuse():
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/64s/radix: Fix soft dirty tracking
https://git.kernel.org/powerpc/c/66b2ca086210732954a7790d63d35542936fc664
cheers
prev parent reply other threads:[~2023-07-03 5:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-11 11:42 [PATCH] powerpc/64s/radix: Fix soft dirty tracking Michael Ellerman
2023-05-15 5:54 ` Aneesh Kumar K.V
2023-05-15 12:43 ` Dan Horák
2023-07-03 5:21 ` Michael Ellerman [this message]
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