From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andi Kleen <ak@muc.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
virtualization <virtualization@lists.osdl.org>
Subject: Re: [PATCH 5/7] Use %gs for per-cpu sections in kernel
Date: Fri, 22 Sep 2006 15:43:49 -0700 [thread overview]
Message-ID: <45146725.4070109@goop.org> (raw)
In-Reply-To: <20060922123215.GA98728@muc.de>
Andi Kleen wrote:
> BTW I changed my copy sorry. I redid the early PDA support
> to not be in assembler.
I went to the trouble of making the PDA completely set up before any C
code ran. Did you undo that?
Andrew mentioned that people have various hacks which hook into mcount,
and want to use current/smp_processor_id, which means that that they
have to work from the first function prologue.
It also simplifies things to get all that set up ASAP so there's no
bootstrap dependency problem.
J
next prev parent reply other threads:[~2006-09-22 22:43 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-22 11:51 [PATCH 0/7] Using %gs for per-cpu areas on x86 Rusty Russell
2006-09-22 11:53 ` [PATCH 1/7] Use per-cpu GDT tables from early in boot Rusty Russell
2006-09-22 11:55 ` [PATCH 2/7] Rusty Russell
2006-09-22 11:56 ` [PATCH 3/7] Update sys_vm86 to cope with changed pt_regs and %gs usage Rusty Russell
2006-09-22 11:58 ` [PATCH 4/7] Fix places where using %gs changes the usermode ABI Rusty Russell
2006-09-22 11:59 ` [PATCH 5/7] Use %gs for per-cpu sections in kernel Rusty Russell
2006-09-22 12:00 ` [PATCH 6/7] (Optional) implement smp_processor_id() as a per-cpu var Rusty Russell
2006-09-22 12:01 ` [PATCH 7/7] (Optional) implement current " Rusty Russell
2006-09-25 5:29 ` Rusty Russell
2006-09-25 5:27 ` [PATCH 6/7] (Optional) implement smp_processor_id() " Rusty Russell
2006-09-22 12:32 ` [PATCH 5/7] Use %gs for per-cpu sections in kernel Andi Kleen
2006-09-22 12:32 ` Andi Kleen
2006-09-22 22:43 ` Jeremy Fitzhardinge [this message]
2006-09-22 23:52 ` Andi Kleen
2006-09-23 4:51 ` Rusty Russell
2006-09-23 8:17 ` Andi Kleen
2006-09-23 8:55 ` Rusty Russell
2006-09-22 22:39 ` Jeremy Fitzhardinge
2006-09-23 4:31 ` Rusty Russell
2006-09-25 1:03 ` Jeremy Fitzhardinge
2006-09-25 1:16 ` Rusty Russell
2006-09-25 1:36 ` Jeremy Fitzhardinge
2006-09-25 2:51 ` Rusty Russell
2006-09-25 5:25 ` Jeremy Fitzhardinge
2006-09-25 6:03 ` Rusty Russell
2006-09-25 6:25 ` Jeremy Fitzhardinge
2006-09-25 23:33 ` Rusty Russell
2006-09-23 8:13 ` Andi Kleen
2006-09-25 1:07 ` Jeremy Fitzhardinge
2006-09-25 1:07 ` Jeremy Fitzhardinge
2006-09-25 1:20 ` Rusty Russell
2006-09-25 5:26 ` Rusty Russell
2006-09-22 22:24 ` [PATCH 2/7] Jeremy Fitzhardinge
2006-09-23 4:36 ` Rusty Russell
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