From: "Andi Kleen" <ak@suse.de>
To: torvalds@osdl.org
Cc: discuss@x86-64.org, akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: [PATCH] [4/7] i386: Remove bogus special case code from AMD core parsing
Date: Tue, 11 Apr 2006 12:54:45 +0200 [thread overview]
Message-ID: <443B8AF5.mailFPE1C8SDP@suse.de> (raw)
It's not actually needed and would break non power of two number
of cores.
Follows similar earlier x86-64 patch.
Signed-off-by: Andi Kleen <ak@suse.de>
---
arch/i386/kernel/cpu/amd.c | 2 --
1 files changed, 2 deletions(-)
Index: linux/arch/i386/kernel/cpu/amd.c
===================================================================
--- linux.orig/arch/i386/kernel/cpu/amd.c
+++ linux/arch/i386/kernel/cpu/amd.c
@@ -212,8 +212,6 @@ static void __init init_amd(struct cpuin
if (cpuid_eax(0x80000000) >= 0x80000008) {
c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
- if (c->x86_max_cores & (c->x86_max_cores - 1))
- c->x86_max_cores = 1;
}
if (cpuid_eax(0x80000000) >= 0x80000007) {
reply other threads:[~2006-04-11 10:54 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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