/[pkg-src]/trunk/kernel26-xen/patches-2.6.25-r1/1032-2.6.25-xen-x86_64-Add-hacky-64-bit-x86_-read-write-_percpu.patch |
Contents of /trunk/kernel26-xen/patches-2.6.25-r1/1032-2.6.25-xen-x86_64-Add-hacky-64-bit-x86_-read-write-_percpu.patch
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Thu May 22 23:13:13 2008 UTC (16 years ago) by niro
File size: 891 byte(s)
Thu May 22 23:13:13 2008 UTC (16 years ago) by niro
File size: 891 byte(s)
-ver bump to 2.6.25-magellan-r1: - linux-2.6.25.4 - fbcondecor-0.9.4 - squashfs-3.3 - unionfs-2.3.3 - tuxonice-3.0-rc7 - linux-phc-0.3.0 - acpi-dstd-0.9a - reiser4 - xen-3.2.0 . ipw3945-1.2.2
1 | From 8678e0caab8cd32d1d5cb5e603287cdb2f414ccb Mon Sep 17 00:00:00 2001 |
2 | From: Eduardo Habkost <ehabkost@Rawhide-64.localdomain> |
3 | Date: Tue, 27 Nov 2007 18:21:29 -0200 |
4 | Subject: [PATCH] xen x86_64: Add hacky 64-bit x86_{read,write}_percpu() |
5 | |
6 | It isn't implemented on x86_64 yet, so I am simply using __get_cpu_var(). |
7 | |
8 | Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> |
9 | --- |
10 | include/asm-x86/percpu.h | 4 ++++ |
11 | 1 files changed, 4 insertions(+), 0 deletions(-) |
12 | |
13 | diff --git a/include/asm-x86/percpu.h b/include/asm-x86/percpu.h |
14 | index 0dec00f..b80af66 100644 |
15 | --- a/include/asm-x86/percpu.h |
16 | +++ b/include/asm-x86/percpu.h |
17 | @@ -22,6 +22,10 @@ |
18 | |
19 | DECLARE_PER_CPU(struct x8664_pda, pda); |
20 | |
21 | +/* x86_read_percpu & friends */ |
22 | +#define x86_read_percpu(var) __get_cpu_var(var) |
23 | +#define x86_write_percpu(var,val) (__get_cpu_var(var) = (val)) |
24 | + |
25 | #else /* CONFIG_X86_64 */ |
26 | |
27 | #ifdef __ASSEMBLY__ |
28 | -- |
29 | 1.5.4.1 |
30 |