[GIT PULL] x86/mrst changes for v2.6.35
From: Ingo Molnar
Date: Mon May 17 2010 - 19:11:25 EST
Linus,
Please pull the latest Intel Moorestown git tree
from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-mrst-for-linus
Thanks,
Ingo
------------------>
Jacob Pan (3):
x86: Avoid check hlt for newer cpus
x86, mrst, pci: return 0 for non-present pci bars
x86, mrst: add nop functions to x86_init mpparse functions
arch/x86/kernel/cpu/bugs.c | 2 +-
arch/x86/kernel/mrst.c | 5 +++++
arch/x86/pci/mrst.c | 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 01a2652..c39576c 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -86,7 +86,7 @@ static void __init check_fpu(void)
static void __init check_hlt(void)
{
- if (paravirt_enabled())
+ if (boot_cpu_data.x86 >= 5 || paravirt_enabled())
return;
printk(KERN_INFO "Checking 'hlt' instruction... ");
diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
index 0aad867..e796448 100644
--- a/arch/x86/kernel/mrst.c
+++ b/arch/x86/kernel/mrst.c
@@ -237,4 +237,9 @@ void __init x86_mrst_early_setup(void)
x86_init.pci.fixup_irqs = x86_init_noop;
legacy_pic = &null_legacy_pic;
+
+ /* Avoid searching for BIOS MP tables */
+ x86_init.mpparse.find_smp_config = x86_init_noop;
+ x86_init.mpparse.get_smp_config = x86_init_uint_noop;
+
}
diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
index 8bf2fcb..d5c7aef 100644
--- a/arch/x86/pci/mrst.c
+++ b/arch/x86/pci/mrst.c
@@ -109,7 +109,7 @@ static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn,
decode++;
decode = ~(decode - 1);
} else {
- decode = ~0;
+ decode = 0;
}
/*
--
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