From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/3] ARM v7: fix mmu-off operation
Date: Fri, 17 May 2013 11:22:20 +0200 [thread overview]
Message-ID: <lyli7eot9v.fsf@ensc-virt.intern.sigma-chemnitz.de> (raw)
In-Reply-To: <20130517082411.GW20989@pengutronix.de> (Sascha Hauer's message of "Fri, 17 May 2013 10:24:11 +0200")
Sascha Hauer <s.hauer@pengutronix.de> writes:
>> So you can drop this stack push by using r12 instead of r10. That's fine
>> I think, but should be a patch of its own. Can you resend this as two
>> patches?
>
> Oh, I just saw you can't since then r12 would be corrupted when
> v7_mmu_cache_flush is called from v7_mmu_cache_off.
>
> Applied this one to master and the rest to -next with a small
> modification.
ok; I was about to split patches by renaming 'r10' to 'r12' in the first
step (which will work afais because r12 will be pushed on stack on top
of v7_mmu_cache_flush()) but was interrupted by other work.
Enrico
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prev parent reply other threads:[~2013-05-17 9:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-14 13:14 Enrico Scholz
2013-05-14 13:14 ` [PATCH 2/3] ARM v7: v7_mmu_cache_flush(): do not restore r0-r3 (minor optimization) Enrico Scholz
2013-05-14 13:14 ` [PATCH 3/3] ARM v7: added v7_mmu_cache_invalidate() Enrico Scholz
2013-05-17 8:28 ` Sascha Hauer
2013-05-15 6:28 ` [PATCH 1/3] ARM v7: fix mmu-off operation Sascha Hauer
2013-05-17 8:24 ` Sascha Hauer
2013-05-17 9:22 ` Enrico Scholz [this message]
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