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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] x86/cpu change for v3.5
Date: Wed, 23 May 2012 09:38:57 +0200	[thread overview]
Message-ID: <20120523073857.GA9112@gmail.com> (raw)

Linus,

Please pull the latest x86-cpu-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus

   HEAD: ddc5681ed33a279fdc188e98e71f0c539f08c6e6 x86/cache_info: Fix setup of l2/l3 ids

 Thanks,

	Ingo

------------------>
Shai Fultheim (1):
      x86/cache_info: Fix setup of l2/l3 ids


 arch/x86/kernel/cpu/intel_cacheinfo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index b8f3653..9a7c90d 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -615,14 +615,14 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
 					new_l2 = this_leaf.size/1024;
 					num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
 					index_msb = get_count_order(num_threads_sharing);
-					l2_id = c->apicid >> index_msb;
+					l2_id = c->apicid & ~((1 << index_msb) - 1);
 					break;
 				case 3:
 					new_l3 = this_leaf.size/1024;
 					num_threads_sharing = 1 + this_leaf.eax.split.num_threads_sharing;
 					index_msb = get_count_order(
 							num_threads_sharing);
-					l3_id = c->apicid >> index_msb;
+					l3_id = c->apicid & ~((1 << index_msb) - 1);
 					break;
 				default:
 					break;

             reply	other threads:[~2012-05-23  7:39 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-23  7:38 Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-05-23  7:45 [GIT PULL] x86/cpu change for v3.5 Ingo Molnar

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