From: Andrew Donnellan <ajd@linux.ibm.com>
To: Rohan McLure <rmclure@linux.ibm.com>, linuxppc-dev@lists.ozlabs.org
Cc: npiggin@gmail.com
Subject: Re: [PATCH v2 13/14] powerpc/64s: Fix comment on interrupt handler prologue
Date: Mon, 08 Aug 2022 15:06:41 +1000 [thread overview]
Message-ID: <818b51df4b3150e2bb3849d92d5089481395c873.camel@linux.ibm.com> (raw)
In-Reply-To: <20220725063156.121292-1-rmclure@linux.ibm.com>
On Mon, 2022-07-25 at 16:31 +1000, Rohan McLure wrote:
> Interrupt handlers on 64s systems will often need to save register
> state
> from the interrupted process to make space for loading special
> purpose
> registers or for internal state.
>
> Fix a comment documenting a common code path macro in the beginning
> of
> interrupt handlers where r10 is saved to the PACA to afford space for
> the value of the CFAR. Comment is currently written as if r10-r12 are
> saved to PACA, but in fact only r10 is saved.
>
> Signed-off-by: Rohan McLure <rmclure@linux.ibm.com>
Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
--
Andrew Donnellan OzLabs, ADL Canberra
ajd@linux.ibm.com IBM Australia Limited
next prev parent reply other threads:[~2022-08-08 5:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-25 6:31 [PATCH v2 13/14] powerpc/64s: Fix comment on interrupt handler prologue Rohan McLure
2022-08-08 5:06 ` Andrew Donnellan [this message]
2022-08-08 11:27 ` Christophe Leroy
2022-08-11 1:42 ` Rohan McLure
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