Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4b9f12...
Commit: 4b9f12a3779c548b68bc9af7d94030868ad3aa1b
Parent: b30f3ae50cd03ef2ff433a5030fbf88dd8323528
Author: Linus Torvalds <torvalds@linux-foundation.org>
AuthorDate: Thu Jul 24 17:29:00 2008 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Jul 24 17:29:00 2008 -0700
x86/oprofile/nmi_int: add Nehalem to list of ppro cores
..otherwise oprofile will fall back on that poor timer interrupt.
Also replace the unreadable chain of if-statements with a "switch()"
statement instead. It generates better code, and is a lot clearer.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/x86/oprofile/nmi_int.c | 36 +++++++++++++++++++++++++-----------
1 files changed, 25 insertions(+), 11 deletions(-)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 7f3329b..3f90289 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -369,20 +369,34 @@ static int __init ppro_init(char **cpu_type)
{
__u8 cpu_model = boot_cpu_data.x86_model;
- if (cpu_model == 14)
+ switch (cpu_model) {
+ case 0 ... 2:
+ *cpu_type = "i386/ppro";
+ break;
+ case 3 ... 5:
+ *cpu_type = "i386/pii";
+ break;
+ case 6 ... 8:
+ *cpu_type = "i386/piii";
+ break;
+ case 9:
+ *cpu_type = "i386/p6_mobile";
+ break;
+ case 10 ... 13:
+ *cpu_type = "i386/p6";
+ break;
+ case 14:
*cpu_type = "i386/core";
- else if (cpu_model == 15 || cpu_model == 23)
+ break;
+ case 15: case 23:
+ *cpu_type = "i386/core_2";
+ break;
+ case 26:
*cpu_type = "i386/core_2";
- else if (cpu_model > 0xd)
+ break;
+ default:
+ /* Unknown */
return 0;
- else if (cpu_model == 9) {
- *cpu_type = "i386/p6_mobile";
- } else if (cpu_model > 5) {
- *cpu_type = "i386/piii";
- } else if (cpu_model > 2) {
- *cpu_type = "i386/pii";
- } else {
- *cpu_type = "i386/ppro";
}
model = &op_ppro_spec;
--
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
