From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: "Leonidas ." <leonidas137@gmail.com>
Cc: Gleb Natapov <gleb@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: How to check whether executing in atomic context?
Date: Wed, 14 Oct 2009 21:15:39 +0200 [thread overview]
Message-ID: <4AD6235B.8090905@s5r6.in-berlin.de> (raw)
In-Reply-To: <f22d86810910141211u1f83f57fibfaa5ee19a39813f@mail.gmail.com>
Leonidas . wrote:
> On Wed, Oct 14, 2009 at 11:09 PM, Stefan Richter
> <stefanr@s5r6.in-berlin.de> wrote:
>> let the caller of your routine tell it whether it's atomic context
>> or not.
[...]
> What makes it more complicated is this, the user might achieve the
> functionality via instrumenting his source code, i.e. something like
> using -finstrument flag of gcc. As per above inferences about
> in_atomic(), in case of instrumentation there is no choice other than
> providing all apis as atomic apis, this might not be the right thing
> to do under all circumstances. Especially, for my code since I do lot
> of allocations for book keeping.
>
> I am not aware of any Linux kernel module which can comply to this
> kind of use case, what would be the most optimal thing to do here?
And preallocation is not feasible either?
--
Stefan Richter
-=====-==--= =-=- -===-
http://arcgraph.de/sr/
next prev parent reply other threads:[~2009-10-14 19:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-14 6:36 Leonidas .
2009-10-14 9:21 ` Leonidas .
2009-10-14 9:34 ` Leonidas .
2009-10-14 10:13 ` Gleb Natapov
2009-10-14 10:24 ` Leonidas .
2009-10-14 17:39 ` Stefan Richter
2009-10-14 19:11 ` Leonidas .
2009-10-14 19:15 ` Stefan Richter [this message]
2009-10-14 19:22 ` Samuel Thibault
2009-10-14 19:24 ` Leonidas .
2009-10-15 8:31 ` Leonidas .
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