From: Fabiano Rosas <farosas@linux.ibm.com>
To: Frederic Barrat <fbarrat@linux.ibm.com>,
clg@kaod.org, danielhb413@gmail.com, qemu-ppc@nongnu.org,
qemu-devel@nongnu.org
Subject: Re: [PATCH] target/ppc: cpu_init: Clean up stop state on cpu reset
Date: Tue, 14 Jun 2022 09:44:52 -0300 [thread overview]
Message-ID: <87y1xzqurf.fsf@linux.ibm.com> (raw)
In-Reply-To: <20220614082912.378355-1-fbarrat@linux.ibm.com>
Frederic Barrat <fbarrat@linux.ibm.com> writes:
> The 'resume_as_sreset' attribute of a cpu can be set when a thread is
> entering a stop state on ppc books. It causes the thread to be
> re-routed to vector 0x100 when woken up by an exception. So it must be
> cleaned on reset or a thread might be re-routed unexpectedly after a
> reset, when it was not in a stop state and/or when the appropriate
> exception handler isn't set up yet.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
next prev parent reply other threads:[~2022-06-14 12:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 8:29 [PATCH] target/ppc: cpu_init: Clean up stop state on cpu reset Frederic Barrat
2022-06-14 12:44 ` Fabiano Rosas [this message]
2022-06-15 5:23 ` Cédric Le Goater
2022-06-15 7:17 ` Frederic Barrat
2022-06-15 9:40 ` Cédric Le Goater
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