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Re: [PATCH] target/ppc: cpu_init: Clean up stop state on cpu reset
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From: |
Fabiano Rosas |
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Subject: |
Re: [PATCH] target/ppc: cpu_init: Clean up stop state on cpu reset |
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Date: |
Tue, 14 Jun 2022 09:44:52 -0300 |
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>