From: Scott Wood <scottwood@freescale.com>
To: David Laight <David.Laight@ACULAB.COM>
Cc: Wood Scott-B07421 <B07421@freescale.com>,
Stuart Yoder <b08248@gmail.com>,
linuxppc-dev@lists.ozlabs.org,
Jia Hongtao-B38951 <B38951@freescale.com>
Subject: Re: [PATCH V4] powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx
Date: Wed, 13 Mar 2013 11:37:39 -0500 [thread overview]
Message-ID: <1363192659.8945.1@snotra> (raw)
In-Reply-To: <AE90C24D6B3A694183C094C60CF0A2F6026B7186@saturn3.aculab.com> (from David.Laight@ACULAB.COM on Wed Mar 13 04:40:40 2013)
On 03/13/2013 04:40:40 AM, David Laight wrote:
> > Hmm, seems there's no probe_user_address() -- for userspace we
> > basically want the same thing minus the KERNEL_DS. See
> > arch/powerpc/perf/callchain.c for an example.
>=20
> Isn't that just copy_from_user() ?
Plus pagefault_disable/enable().
-Scott=
next prev parent reply other threads:[~2013-03-13 16:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 8:40 [PATCH V4] powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx Jia Hongtao
2013-03-04 16:16 ` Stuart Yoder
2013-03-04 23:45 ` Scott Wood
2013-03-05 10:12 ` Jia Hongtao-B38951
2013-03-05 18:47 ` Scott Wood
2013-03-06 8:28 ` Jia Hongtao-B38951
2013-03-06 10:24 ` David Laight
2013-03-07 8:06 ` Jia Hongtao-B38951
2013-03-07 10:04 ` David Laight
2013-03-07 16:37 ` Scott Wood
2013-03-08 8:01 ` Jia Hongtao-B38951
2013-03-09 0:49 ` Scott Wood
2013-03-12 7:40 ` Jia Hongtao-B38951
2013-03-12 9:47 ` David Laight
2013-03-12 21:24 ` Scott Wood
2013-03-13 9:40 ` David Laight
2013-03-13 16:37 ` Scott Wood [this message]
2013-03-15 2:47 ` Jia Hongtao-B38951
2013-03-15 16:34 ` Scott Wood
2013-03-29 8:03 ` Jia Hongtao-B38951
2013-03-29 16:33 ` Scott Wood
2013-04-02 9:28 ` Jia Hongtao-B38951
2013-04-02 19:46 ` Scott Wood
2013-03-04 17:15 ` David Laight
2013-03-05 10:12 ` Jia Hongtao-B38951
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