From: Paul Mackerras <paulus@samba.org>
To: "Liu Dave" <DaveLiu@freescale.com>
Cc: linuxppc-dev@ozlabs.org
Subject: RE: [PATCH] Defer processing of interrupts when the CPU wakes from sleepmode
Date: Thu, 15 May 2008 19:30:21 +1000 [thread overview]
Message-ID: <18476.685.486338.465621@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <58A20A281BAF1047B4EAE68DE5C0BDC2F168CF@zch01exm21.fsl.freescale.net>
Liu Dave writes:
> Thanks Paul for this patch. The patch looks like very nice.
> But the users have to be aware of the LINK register (LR) not corrupted.
Yes, if you set the _TLF_SLEEPING bit, you need to know what it
does. :)
> So, does power management patch from Scott Wood need to respin?
No, because Scott's original patch did that too.
> BTW, why the fast_exception_return does *not* need clear the reservation
> with stwcx.?
Because we haven't done anything that could have left a dangling
reservation set.
Paul.
next prev parent reply other threads:[~2008-05-15 9:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-14 4:30 [PATCH] Defer processing of interrupts when the CPU wakes from sleep mode Paul Mackerras
2008-05-14 12:03 ` [PATCH] Defer processing of interrupts when the CPU wakes from sleepmode Liu Dave
2008-05-15 9:30 ` Paul Mackerras [this message]
2008-05-15 9:44 ` Liu Dave
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