From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Yong Zhang <yong.zhang0@gmail.com>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: schedule() && prev/current (Was: [PATCH 3/3] Make get_current() __attribute__((const)))
Date: Wed, 19 May 2010 12:37:45 +0200 [thread overview]
Message-ID: <1274265465.5605.10564.camel@twins> (raw)
In-Reply-To: <20100519102743.GA10040@redhat.com>
On Wed, 2010-05-19 at 12:27 +0200, Oleg Nesterov wrote:
> Now suppose that A calls schedule() and we switch to B. When switch_to()
> returns on B's context, this context (register/stack) matches the previous
> context which was used by B when it in turn called schedule(), correct?
Ah, right, you always schedule back to where you came from,... I
shouldn't try and write emails before the morning juice hits ;-)
next prev parent reply other threads:[~2010-05-19 10:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-18 16:45 [PATCH 1/3] Reduce get_current() to the asm-generic implementation where possible David Howells
2010-05-18 16:45 ` [PATCH 2/3] Mark the 'current' pointer register read-only when such a thing exists David Howells
2010-05-18 21:05 ` David Miller
2010-05-18 16:45 ` [PATCH 3/3] Make get_current() __attribute__((const)) David Howells
2010-05-18 21:22 ` schedule() && prev/current (Was: [PATCH 3/3] Make get_current() __attribute__((const))) Oleg Nesterov
2010-05-19 6:21 ` Peter Zijlstra
2010-05-19 10:27 ` Oleg Nesterov
2010-05-19 10:37 ` Peter Zijlstra [this message]
2010-05-19 12:57 ` [PATCH] schedule: simplify the reacquire_kernel_lock() logic Oleg Nesterov
2010-05-19 12:57 ` Oleg Nesterov
2010-05-19 13:11 ` Yong Zhang
2010-05-19 13:07 ` schedule() && prev/current (Was: [PATCH 3/3] Make get_current() __attribute__((const))) Yong Zhang
2010-05-19 13:07 ` Yong Zhang
2010-05-18 17:39 ` [PATCH 1/3] Reduce get_current() to the asm-generic implementation where possible Kyle McMartin
2010-05-18 19:47 ` Jamie Lokier
2010-05-19 6:21 ` Nick Piggin
2010-05-19 11:02 ` Oleg Nesterov
2010-05-21 10:13 ` David Howells
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