From: Andi Kleen <ak@suse.de>
To: Glauber de Oliveira Costa <glommer@gmail.com>
Cc: Andi Kleen <ak@suse.de>,
Glauber de Oliveira Costa <gcosta@redhat.com>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
rusty@rustcorp.com.au, mingo@elte.hu, chrisw@sous-sol.org,
jeremy@goop.org, avi@qumranet.com, anthony@codemonkey.ws,
virtualization@lists.linux-foundation.org, lguest@ozlabs.org,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 3/25][V3] irq_flags / halt routines
Date: Wed, 15 Aug 2007 17:42:44 +0200 [thread overview]
Message-ID: <20070815154243.GH3406@bingen.suse.de> (raw)
In-Reply-To: <5d6222a80708150718v14f26343q7467385e7919fa76@mail.gmail.com>
On Wed, Aug 15, 2007 at 11:18:25AM -0300, Glauber de Oliveira Costa wrote:
> > Didn't we agree this should be a pvops client?
> >
> > -Andi
> >
> No. I exposed my reasoning, asked you back, but got no answer.
> I'll do it again:
>
> This operations are just manipulating bits, and are doing no
> privileged operations at all. Nothing that can be paravirtualized, in
It's talking to a Hypervisor. That is privileged enough.
Please do that change. If you add so many more ifdefs it's your
duty to keep the overall number low.
Various other paravirt ops also do things which are not strictly
privileged.
-Andi
next prev parent reply other threads:[~2007-08-15 14:48 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-15 12:49 [PATCH 0/25][V3] pvops_64 last round (hopefully) Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 1/25][V3] header file move Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 2/25][V3] tlb flushing routines Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 3/25][V3] irq_flags / halt routines Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 4/25][V3] Add debugreg/load_rsp native hooks Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 5/25][V3] native versions for system.h functions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 6/25][V3] add native_apic read and write functions, as well as boot clocks ones Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 7/25][V3] interrupt related native paravirt functions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 8/25][V3] use macro for sti/cli in spinlock definitions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 9/25][V3] report ring kernel is running without paravirt Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 10/25][V3] export math_state_restore Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 11/25][V3] native versions for set pagetables Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 12/25][V3] turn msr.h functions into native versions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 13/25][V3] add native functions for descriptors handling Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 14/25][V3] get rid of inline asm for load_cr3 Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 15/25][V3] introducing paravirt_activate_mm Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 16/25][V3] turn page operations into native versions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 17/25][V3] introduce paravirt_release_pgd() Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 18/25][V3] turn priviled operations into macros in entry.S Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 19/25][V3] time-related functions paravirt provisions Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 20/25][V3] replace syscall_init Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 21/25][V3] export cpu_gdt_descr Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 22/25][V3] turn priviled operation into a macro Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 23/25][V3] provide paravirt patching function Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 24/25][V3] paravirt hooks for arch initialization Glauber de Oliveira Costa
2007-08-15 12:49 ` [PATCH 25/25][V3] add paravirtualization support for x86_64 Glauber de Oliveira Costa
2007-08-15 14:03 ` [PATCH 21/25][V3] export cpu_gdt_descr Andi Kleen
2007-08-15 14:25 ` Glauber de Oliveira Costa
2007-08-15 15:43 ` Andi Kleen
2007-08-15 15:28 ` Glauber de Oliveira Costa
2007-08-15 14:04 ` [PATCH 18/25][V3] turn priviled operations into macros in entry.S Steven Rostedt
2007-08-15 14:19 ` Glauber de Oliveira Costa
2007-08-15 13:55 ` [PATCH 3/25][V3] irq_flags / halt routines Andi Kleen
2007-08-15 14:18 ` Glauber de Oliveira Costa
2007-08-15 15:42 ` Andi Kleen [this message]
2007-08-15 15:09 ` Glauber de Oliveira Costa
2007-08-15 15:13 ` Avi Kivity
2007-08-15 15:17 ` Glauber de Oliveira Costa
2007-08-15 16:36 ` Andi Kleen
2007-08-15 16:22 ` Glauber de Oliveira Costa
2007-08-15 16:47 ` Chris Wright
2007-08-15 17:00 ` Glauber de Oliveira Costa
2007-08-15 18:09 ` Chris Wright
2007-08-15 20:57 ` Glauber de Oliveira Costa
2007-08-15 22:47 ` Andi Kleen
2007-08-15 17:34 ` Andi Kleen
2007-08-15 21:40 ` Jeremy Fitzhardinge
2007-08-15 22:19 ` Glauber de Oliveira Costa
2007-08-15 18:04 ` [PATCH 0/25][V3] pvops_64 last round (hopefully) Jeremy Fitzhardinge
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