From: ebiederm@xmission.com (Eric W. Biederman) To: Rusty Russell <rusty@rustcorp.com.au> Cc: "H. Peter Anvin" <hpa@zytor.com>, Jeremy Fitzhardinge <jeremy@goop.org>, Jeff Garzik <jeff@garzik.org>, Andi Kleen <ak@suse.de>, patches@x86-64.org, Vivek Goyal <vgoyal@in.ibm.com>, linux-kernel@vger.kernel.org, virtualization <virtualization@lists.linux-foundation.org> Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage Date: Sun, 29 Apr 2007 23:25:53 -0600 [thread overview] Message-ID: <m1d51m77ry.fsf@ebiederm.dsl.xmission.com> (raw) In-Reply-To: <1177909434.30071.216.camel@localhost.localdomain> (Rusty Russell's message of "Mon, 30 Apr 2007 15:03:54 +1000") Rusty Russell <rusty@rustcorp.com.au> writes: > On Sun, 2007-04-29 at 21:38 -0700, H. Peter Anvin wrote: >> Rusty Russell wrote: >> > >> > Dammit, Eric, you spend a lot of time using words like "insane" where >> > you mean we didn't do everything all at once. >> > >> > It's *not* clear that using %esi is sane, but nothing in the current >> > code prevents that. >> >> Why not? > > (I assume you mean why isn't it clear?) > > Because VMI uses the presence of a ROM to indicate it's not native. KVM > uses a magic MSR IIRC. Reasonable, if you don't mid a little hardware emulation. > I think it makes sense for lguest to change over, tho. Patches welcome > 8) Sure. Peter do we want to use the bootloader byte and assign lguest it's own bootloader type or do we want to add another field specific to paravirtualized environments? Eric
WARNING: multiple messages have this Message-ID (diff)
From: ebiederm@xmission.com (Eric W. Biederman) To: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeff Garzik <jeff@garzik.org>, patches@x86-64.org, linux-kernel@vger.kernel.org, Vivek Goyal <vgoyal@in.ibm.com>, "H. Peter Anvin" <hpa@zytor.com>, virtualization <virtualization@lists.linux-foundation.org> Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage Date: Sun, 29 Apr 2007 23:25:53 -0600 [thread overview] Message-ID: <m1d51m77ry.fsf@ebiederm.dsl.xmission.com> (raw) In-Reply-To: <1177909434.30071.216.camel@localhost.localdomain> (Rusty Russell's message of "Mon, 30 Apr 2007 15:03:54 +1000") Rusty Russell <rusty@rustcorp.com.au> writes: > On Sun, 2007-04-29 at 21:38 -0700, H. Peter Anvin wrote: >> Rusty Russell wrote: >> > >> > Dammit, Eric, you spend a lot of time using words like "insane" where >> > you mean we didn't do everything all at once. >> > >> > It's *not* clear that using %esi is sane, but nothing in the current >> > code prevents that. >> >> Why not? > > (I assume you mean why isn't it clear?) > > Because VMI uses the presence of a ROM to indicate it's not native. KVM > uses a magic MSR IIRC. Reasonable, if you don't mid a little hardware emulation. > I think it makes sense for lguest to change over, tho. Patches welcome > 8) Sure. Peter do we want to use the bootloader byte and assign lguest it's own bootloader type or do we want to add another field specific to paravirtualized environments? Eric
next prev parent reply other threads:[~2007-04-30 5:26 UTC|newest] Thread overview: 217+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-04-28 17:58 [PATCH] [0/22] x86 candidate patches for review II: 64bit relocatable kernel Andi Kleen 2007-04-28 17:58 ` [PATCH] [1/22] x86_64: dma_ops as const Andi Kleen 2007-04-28 17:58 ` [PATCH] [2/22] x86_64: Assembly safe page.h and pgtable.h Andi Kleen 2007-04-28 17:58 ` [PATCH] [3/22] x86_64: Kill temp boot pmds Andi Kleen 2007-04-28 17:58 ` [PATCH] [4/22] x86_64: Clean up the early boot page table Andi Kleen 2007-04-28 17:58 ` [PATCH] [5/22] x86_64: Fix early printk to use standard ISA mapping Andi Kleen 2007-04-28 17:58 ` [PATCH] [6/22] x86_64: modify copy_bootdata to use virtual addresses Andi Kleen 2007-04-28 17:58 ` [PATCH] [7/22] x86_64: cleanup segments Andi Kleen 2007-04-28 17:58 ` [PATCH] [8/22] x86_64: Add EFER to the register set saved by save_processor_state Andi Kleen 2007-04-28 17:58 ` [PATCH] [9/22] x86_64: 64bit PIC SMP trampoline Andi Kleen 2007-04-28 17:58 ` [PATCH] [10/22] x86_64: Get rid of dead code in suspend resume Andi Kleen 2007-04-28 17:58 ` [PATCH] [11/22] x86_64: wakeup.S rename registers to reflect right names Andi Kleen 2007-04-28 17:58 ` [PATCH] [12/22] x86_64: wakeup.S misc cleanups Andi Kleen 2007-04-28 17:59 ` [PATCH] [13/22] x86_64: 64bit ACPI wakeup trampoline Andi Kleen 2007-04-28 17:59 ` [PATCH] [14/22] x86_64: Modify discover_ebda to use virtual addresses Andi Kleen 2007-04-28 17:59 ` [PATCH] [15/22] x86_64: Remove the identity mapping as early as possible Andi Kleen 2007-04-28 17:59 ` [PATCH] [16/22] x86: Move swsusp __pa() dependent code to arch portion Andi Kleen 2007-04-28 17:59 ` [PATCH] [17/22] x86_64: do not use virt_to_page on kernel data address Andi Kleen 2007-04-28 17:59 ` [PATCH] [18/22] x86: __pa and __pa_symbol address space separation Andi Kleen 2007-04-28 17:59 ` [PATCH] [19/22] x86_64: Relocatable Kernel Support Andi Kleen 2007-04-28 17:59 ` [PATCH] [20/22] x86_64: build-time checking Andi Kleen 2007-04-28 17:59 ` [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage Andi Kleen 2007-04-28 18:07 ` Jeff Garzik 2007-04-28 18:24 ` Andi Kleen 2007-04-28 20:18 ` [patches] " Eric W. Biederman 2007-04-28 20:38 ` H. Peter Anvin 2007-04-28 20:46 ` Eric W. Biederman 2007-04-29 4:50 ` Vivek Goyal 2007-04-28 20:39 ` Jeff Garzik 2007-04-29 7:24 ` Jeremy Fitzhardinge 2007-04-29 15:11 ` Eric W. Biederman 2007-04-29 15:11 ` Eric W. Biederman 2007-04-30 3:03 ` Rusty Russell 2007-04-30 4:38 ` H. Peter Anvin 2007-04-30 4:38 ` H. Peter Anvin 2007-04-30 5:03 ` Rusty Russell 2007-04-30 5:25 ` Eric W. Biederman [this message] 2007-04-30 5:25 ` Eric W. Biederman 2007-04-30 16:03 ` H. Peter Anvin 2007-04-30 16:47 ` Eric W. Biederman 2007-04-30 16:47 ` Eric W. Biederman 2007-04-30 16:03 ` H. Peter Anvin 2007-04-30 15:34 ` Eric W. Biederman 2007-04-30 15:34 ` Eric W. Biederman 2007-05-01 3:38 ` Rusty Russell 2007-05-01 3:45 ` H. Peter Anvin 2007-05-01 3:45 ` H. Peter Anvin 2007-05-01 3:59 ` Rusty Russell 2007-05-01 3:59 ` Rusty Russell 2007-05-01 4:00 ` H. Peter Anvin 2007-05-01 4:00 ` H. Peter Anvin 2007-05-01 4:50 ` Rusty Russell 2007-05-01 4:50 ` Rusty Russell 2007-05-01 5:28 ` H. Peter Anvin 2007-05-01 5:28 ` H. Peter Anvin 2007-05-01 6:05 ` Eric W. Biederman 2007-05-01 6:05 ` Eric W. Biederman 2007-05-01 3:57 ` Eric W. Biederman 2007-05-01 3:57 ` Eric W. Biederman 2007-05-01 5:37 ` Jeremy Fitzhardinge 2007-05-01 6:11 ` Eric W. Biederman 2007-05-01 6:11 ` Eric W. Biederman 2007-05-01 7:34 ` Rusty Russell 2007-05-01 8:03 ` Jeremy Fitzhardinge 2007-05-01 8:03 ` Jeremy Fitzhardinge 2007-05-01 7:34 ` Rusty Russell 2007-05-01 5:37 ` Jeremy Fitzhardinge 2007-05-01 3:38 ` Rusty Russell 2007-04-30 5:03 ` Rusty Russell 2007-04-30 3:03 ` Rusty Russell 2007-04-30 18:50 ` Jeremy Fitzhardinge 2007-04-30 18:50 ` Jeremy Fitzhardinge 2007-04-30 22:10 ` Eric W. Biederman 2007-04-30 22:10 ` Eric W. Biederman 2007-04-30 22:42 ` Jeremy Fitzhardinge 2007-04-30 22:42 ` Jeremy Fitzhardinge 2007-04-30 22:51 ` Jeremy Fitzhardinge 2007-04-30 22:51 ` Jeremy Fitzhardinge 2007-04-30 23:10 ` Eric W. Biederman 2007-04-30 23:16 ` H. Peter Anvin 2007-04-30 23:16 ` H. Peter Anvin 2007-04-30 23:35 ` Eric W. Biederman 2007-04-30 23:35 ` Eric W. Biederman 2007-05-01 3:39 ` Andi Kleen 2007-05-01 3:39 ` Andi Kleen 2007-05-01 2:48 ` H. Peter Anvin 2007-05-01 2:48 ` H. Peter Anvin 2007-04-30 23:10 ` Eric W. Biederman 2007-05-02 9:31 ` Gerd Hoffmann 2007-05-02 15:16 ` Jeremy Fitzhardinge 2007-05-02 15:16 ` Jeremy Fitzhardinge 2007-05-02 20:51 ` H. Peter Anvin 2007-05-02 20:51 ` H. Peter Anvin 2007-05-02 21:01 ` Jeremy Fitzhardinge 2007-05-02 21:01 ` Jeremy Fitzhardinge 2007-05-02 21:09 ` H. Peter Anvin 2007-05-02 21:39 ` Jeremy Fitzhardinge 2007-05-02 21:39 ` Jeremy Fitzhardinge 2007-05-02 21:59 ` H. Peter Anvin 2007-05-02 23:03 ` Jeremy Fitzhardinge 2007-05-02 23:03 ` Jeremy Fitzhardinge 2007-05-03 4:50 ` Vivek Goyal 2007-05-03 4:50 ` Vivek Goyal 2007-05-03 6:42 ` Eric W. Biederman 2007-05-03 6:42 ` Eric W. Biederman 2007-05-03 7:05 ` Jeremy Fitzhardinge 2007-05-03 7:05 ` Jeremy Fitzhardinge 2007-05-03 13:23 ` Eric W. Biederman 2007-05-03 13:23 ` Eric W. Biederman 2007-05-03 16:23 ` Jeremy Fitzhardinge 2007-05-03 16:23 ` Jeremy Fitzhardinge 2007-05-08 16:41 ` yhlu 2007-05-08 17:18 ` Eric W. Biederman 2007-05-08 17:18 ` Eric W. Biederman 2007-05-08 17:33 ` yhlu 2007-05-08 17:33 ` yhlu 2007-05-08 18:51 ` yhlu 2007-05-08 19:01 ` yhlu 2007-05-08 19:01 ` yhlu 2007-05-08 19:11 ` Eric W. Biederman 2007-05-08 22:00 ` yhlu 2007-05-08 22:00 ` yhlu 2007-05-08 22:07 ` Jeremy Fitzhardinge 2007-05-08 22:07 ` Jeremy Fitzhardinge 2007-05-08 22:35 ` H. Peter Anvin 2007-05-08 22:41 ` yhlu 2007-05-08 23:13 ` H. Peter Anvin 2007-05-08 23:13 ` H. Peter Anvin 2007-05-09 1:44 ` Eric W. Biederman 2007-05-09 2:23 ` H. Peter Anvin 2007-05-09 2:23 ` H. Peter Anvin 2007-05-09 3:30 ` Eric W. Biederman 2007-05-09 4:52 ` yhlu 2007-05-09 4:52 ` yhlu 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:48 ` yhlu 2007-05-09 5:48 ` yhlu 2007-05-09 5:48 ` yhlu 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:54 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 10:52 ` Eric W. Biederman 2007-05-09 10:52 ` Eric W. Biederman 2007-05-09 16:31 ` yhlu 2007-05-09 16:31 ` yhlu 2007-05-09 19:21 ` H. Peter Anvin 2007-05-10 0:52 ` Eric W. Biederman 2007-05-10 0:52 ` Eric W. Biederman 2007-05-09 19:21 ` H. Peter Anvin 2007-05-09 5:55 ` H. Peter Anvin 2007-05-09 5:48 ` yhlu 2007-05-09 5:08 ` H. Peter Anvin 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 5:04 ` H. Peter Anvin 2007-05-09 4:52 ` yhlu 2007-05-09 7:58 ` Gerd Hoffmann 2007-05-09 11:21 ` Eric W. Biederman 2007-05-09 11:21 ` Eric W. Biederman 2007-05-10 0:55 ` yhlu 2007-05-10 0:55 ` yhlu 2007-05-09 7:58 ` Gerd Hoffmann 2007-05-09 3:30 ` Eric W. Biederman 2007-05-09 2:44 ` yhlu 2007-05-09 2:44 ` yhlu 2007-05-09 1:44 ` Eric W. Biederman 2007-05-08 22:41 ` yhlu 2007-05-08 22:35 ` H. Peter Anvin 2007-05-08 19:11 ` Eric W. Biederman 2007-05-09 3:33 ` Vivek Goyal 2007-05-09 3:33 ` Vivek Goyal 2007-05-09 4:42 ` yhlu 2007-05-09 4:42 ` yhlu 2007-05-09 4:42 ` yhlu 2007-05-09 4:58 ` ebiederm 2007-05-09 4:58 ` Eric W. Biederman 2007-05-09 4:58 ` ebiederm 2007-05-09 4:58 ` ebiederm 2007-05-09 4:58 ` ebiederm 2007-05-09 4:58 ` Eric W. Biederman 2007-05-09 4:42 ` yhlu 2007-05-08 18:51 ` yhlu 2007-05-08 17:24 ` Vivek Goyal 2007-05-08 17:24 ` Vivek Goyal 2007-05-08 17:34 ` yhlu 2007-05-08 17:34 ` yhlu 2007-05-08 16:41 ` yhlu 2007-05-02 21:59 ` H. Peter Anvin 2007-05-03 2:01 ` Rusty Russell 2007-05-03 2:01 ` Rusty Russell 2007-05-02 21:09 ` H. Peter Anvin 2007-05-02 21:17 ` Eric W. Biederman 2007-05-02 21:17 ` Eric W. Biederman 2007-05-02 21:24 ` H. Peter Anvin 2007-05-02 21:36 ` Eric W. Biederman 2007-05-02 21:36 ` Eric W. Biederman 2007-05-02 21:24 ` H. Peter Anvin 2007-05-02 9:31 ` Gerd Hoffmann 2007-04-29 17:51 ` H. Peter Anvin 2007-04-29 18:10 ` Eric W. Biederman 2007-04-30 4:41 ` Rusty Russell 2007-04-28 17:59 ` [PATCH] [22/22] x86_64: Move cpu verification code to common file Andi Kleen
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