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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@ozlabs.org
Cc: npiggin@gmail.com
Subject: Re: [PATCH] powerpc/64s: Fix restore of NV GPRs after facility unavailable exception
Date: Fri, 29 May 2020 00:04:44 +1000 (AEST)	[thread overview]
Message-ID: <159067468158.2993487.4331119823135387908.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20200526061808.2472279-1-mpe@ellerman.id.au>

On Tue, 26 May 2020 16:18:08 +1000, Michael Ellerman wrote:
> Commit 702f09805222 ("powerpc/64s/exception: Remove lite interrupt
> return") changed the interrupt return path to not restore non-volatile
> registers by default, and explicitly restore them in paths where it is
> required.
> 
> But it missed that the facility unavailable exception can sometimes
> modify user registers, ie. when it does emulation of move from DSCR.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/64s: Fix restore of NV GPRs after facility unavailable exception
      https://git.kernel.org/powerpc/c/595d153dd1022392083ac93a1550382cbee127e0

cheers

  reply	other threads:[~2020-05-28 14:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-26  6:18 [PATCH] powerpc/64s: Fix restore of NV GPRs after facility unavailable exception Michael Ellerman
2020-05-28 14:04 ` Michael Ellerman [this message]
2020-06-02  5:25 ` Michael Ellerman

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