From b453de02b786c63b8928ec822401468131db0a9b Mon Sep 17 00:00:00 2001 From: Hans Rosenfeld Date: Mon, 24 Jan 2011 16:05:41 +0100 Subject: [PATCH] x86, amd: Enable L3 cache index disable on family 0x15 AMD family 0x15 CPUs support L3 cache index disable, so enable it on them. Signed-off-by: Hans Rosenfeld Cc: LKML-Reference: <1295881543-572552-3-git-send-email-hans.rosenfeld@amd.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_nb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 0a99f7198bc3..a4f394c8e055 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -85,6 +85,9 @@ int amd_cache_northbridges(void) boot_cpu_data.x86_mask >= 0x1)) amd_northbridges.flags |= AMD_NB_L3_INDEX_DISABLE; + if (boot_cpu_data.x86 == 0x15) + amd_northbridges.flags |= AMD_NB_L3_INDEX_DISABLE; + return 0; } EXPORT_SYMBOL_GPL(amd_cache_northbridges); -- 2.30.2