From: Ingo Molnar <mingo@elte.hu>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Daniel Walker <dwalker@mvista.com>,
James.Bottomley@HansenPartnership.com, linux-driver@qlogic.com,
linux-scsi@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH] qla2xxx: firmware semaphore to mutex
Date: Mon, 28 Apr 2008 21:33:34 +0200 [thread overview]
Message-ID: <20080428193334.GD9907@elte.hu> (raw)
In-Reply-To: <20080428192416.GZ14990@parisc-linux.org>
* Matthew Wilcox <matthew@wil.cx> wrote:
> On Mon, Apr 28, 2008 at 12:21:58PM -0700, Daniel Walker wrote:
> > Don't you need to return the -EINTR so the caller knows the nature of
> > the failure? You might also need to re-factor the caller of this
> > function so it properly reports the failure to userspace .. In this case
> > your just returning NULL ..
>
> The signal is _fatal_. Userspace doesn't get to check the return
> value. It's dead.
i agree with your change, nevertheless Daniel is right in that the
change should be in a separate patch. "sem2mutex" patches are supposed
to be NOP-ish patches, with nothing else mixed in.
Ingo
next prev parent reply other threads:[~2008-04-28 19:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 17:47 [PATCH] qla2xxx: firmware semaphore to mutex Daniel Walker
2008-04-28 18:08 ` Matthew Wilcox
2008-04-28 18:57 ` Daniel Walker
2008-04-28 19:04 ` Matthew Wilcox
2008-04-28 19:21 ` Daniel Walker
2008-04-28 19:24 ` Matthew Wilcox
2008-04-28 19:33 ` Ingo Molnar [this message]
2008-04-28 19:54 ` Daniel Walker
2008-04-28 20:55 ` Andrew Vasquez
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