Re: [PATCH 15/15] replace x86_read/write_per_cpu with a common function.

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To: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
Subject: Re: [PATCH 15/15] replace x86_read/write_per_cpu with a common function.
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Thu, 20 Dec 2007 13:16:38 -0800
Cc: ehabkost@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, chrisw@xxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, anthony@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxx, roland@xxxxxxxxxx, ak@xxxxxxx
In-reply-to: <11981813802836-git-send-email-gcosta@xxxxxxxxxx>
User-agent: Thunderbird 2.0.0.9 (X11/20071115)

Glauber de Oliveira Costa wrote:

x86_read_per_cpu() and its writeish sister are not present in x86_64. So in
this patch, we replace them with __get_cpu_var(), which is present in both

Eventually we'd like to use something closer to the i386 code forx86_64, obviously...


	-hpa
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References:
- [PATCH 0/15] adjust pvops to accomodate its x86_64 variant
  - From: Glauber de Oliveira Costa
- [PATCH 01/15] change paravirt_32.c name
  - From: Glauber de Oliveira Costa
- [PATCH 02/15] adjust PVOP_CALL/VCALL macros for x86_64
  - From: Glauber de Oliveira Costa
- [PATCH 03/15] cleanup write_tsc
  - From: Glauber de Oliveira Costa
- [PATCH 04/15] provide paravirtualized hook for rdtscp
  - From: Glauber de Oliveira Costa
- [PATCH 05/15] change assembly definition of paravirt_patch_site
  - From: Glauber de Oliveira Costa
- [PATCH 06/15] adjust assembly macros to x86_64 as well.
  - From: Glauber de Oliveira Costa
- [PATCH 07/15] change irq functions to accomodate x86_64
  - From: Glauber de Oliveira Costa
- [PATCH 08/15] add macro for privileged x86_64 operation
  - From: Glauber de Oliveira Costa
- [PATCH 09/15] adds paravirt hook for swapgs
  - From: Glauber de Oliveira Costa
- [PATCH 10/15] replace privileged instructions with paravirt macros
  - From: Glauber de Oliveira Costa
- [PATCH 11/15] cleanup CLI_STRING, STI_STRING and friends
  - From: Glauber de Oliveira Costa
- [PATCH 12/15] add CLBR_ defines for x86_64.
  - From: Glauber de Oliveira Costa
- [PATCH 13/15] move patching code to arch-specific file.
  - From: Glauber de Oliveira Costa
- [PATCH 14/15] x86_64 patching functions
  - From: Glauber de Oliveira Costa
- [PATCH 15/15] replace x86_read/write_per_cpu with a common function.
  - From: Glauber de Oliveira Costa

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