linux-kernel - Re: powerpc/book3e: redefine pte_mkprivileged() and pte

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Message-Id: <42br5r4gvTzB4NJ@ozlabs.org>
Date:   Fri, 19 Oct 2018 13:51:28 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, aneesh.kumar@...ux.ibm.com
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: powerpc/book3e: redefine pte_mkprivileged() and pte_mkuser()

On Wed, 2018-10-17 at 13:03:22 UTC, Christophe Leroy wrote:
> Book3e defines both _PAGE_USER and _PAGE_PRIVILEGED, so the nohash
> default pte_mkprivileged() and pte_mkuser() are not usable.
> 
> This patch redefines them for book3e.
> 
> In theorie, only pte_mkprivileged() needs to be redefined because
> _PAGE_USER includes _PAGE_PRIVILEGED, but it is less confusing
> to redefine both.
> 
> Fixes: a0da4bc166f2 ("powerpc/mm: Allow platforms to redefine some helpers")
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bde1a1335c5031758d3917d83dd5b8

cheers