linux-kernel - Re: [PATCH] powerpc/ptdump: Fix display of RW pages on FSL

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Message-Id: <165693441432.9954.15776721624339561101.b4-ty@ellerman.id.au>
Date:   Mon, 04 Jul 2022 21:33:34 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     stable@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E

On Tue, 28 Jun 2022 16:43:35 +0200, Christophe Leroy wrote:
> On FSL_BOOK3E, _PAGE_RW is defined with two bits, one for user and one
> for supervisor. As soon as one of the two bits is set, the page has
> to be display as RW. But the way it is implemented today requires both
> bits to be set in order to display it as RW.
> 
> Instead of display RW when _PAGE_RW bits are set and R otherwise,
> reverse the logic and display R when _PAGE_RW bits are all 0 and
> RW otherwise.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E
      https://git.kernel.org/powerpc/c/dd8de84b57b02ba9c1fe530a6d916c0853f136bd

cheers