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-rw-r--r--arch/x86_64/kernel/functionlist1
-rw-r--r--arch/x86_64/kernel/hpet.c9
-rw-r--r--arch/x86_64/kernel/k8.c4
-rw-r--r--arch/x86_64/kernel/nmi.c10
-rw-r--r--arch/x86_64/kernel/pci-gart.c6
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S2
6 files changed, 20 insertions, 12 deletions
diff --git a/arch/x86_64/kernel/functionlist b/arch/x86_64/kernel/functionlist
index 01fa23580c8..7ae18ec1245 100644
--- a/arch/x86_64/kernel/functionlist
+++ b/arch/x86_64/kernel/functionlist
@@ -514,7 +514,6 @@
*(.text.dentry_open)
*(.text.dentry_iput)
*(.text.bio_alloc)
-*(.text.alloc_skb_from_cache)
*(.text.wait_on_page_bit)
*(.text.vfs_readdir)
*(.text.vfs_lstat)
diff --git a/arch/x86_64/kernel/hpet.c b/arch/x86_64/kernel/hpet.c
index 8cf0b8a1377..b8286968662 100644
--- a/arch/x86_64/kernel/hpet.c
+++ b/arch/x86_64/kernel/hpet.c
@@ -191,6 +191,7 @@ int hpet_reenable(void)
#define TICK_COUNT 100000000
#define TICK_MIN 5000
+#define MAX_TRIES 5
/*
* Some platforms take periodic SMI interrupts with 5ms duration. Make sure none
@@ -198,13 +199,15 @@ int hpet_reenable(void)
*/
static void __init read_hpet_tsc(int *hpet, int *tsc)
{
- int tsc1, tsc2, hpet1;
+ int tsc1, tsc2, hpet1, i;
- do {
+ for (i = 0; i < MAX_TRIES; i++) {
tsc1 = get_cycles_sync();
hpet1 = hpet_readl(HPET_COUNTER);
tsc2 = get_cycles_sync();
- } while (tsc2 - tsc1 > TICK_MIN);
+ if (tsc2 - tsc1 > TICK_MIN)
+ break;
+ }
*hpet = hpet1;
*tsc = tsc2;
}
diff --git a/arch/x86_64/kernel/k8.c b/arch/x86_64/kernel/k8.c
index 6416682d33d..bc11b32e8b4 100644
--- a/arch/x86_64/kernel/k8.c
+++ b/arch/x86_64/kernel/k8.c
@@ -61,8 +61,8 @@ int cache_k8_northbridges(void)
dev = NULL;
i = 0;
while ((dev = next_k8_northbridge(dev)) != NULL) {
- k8_northbridges[i++] = dev;
- pci_read_config_dword(dev, 0x9c, &flush_words[i]);
+ k8_northbridges[i] = dev;
+ pci_read_config_dword(dev, 0x9c, &flush_words[i++]);
}
k8_northbridges[i] = NULL;
return 0;
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index a90996c27dc..dfab9f16736 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -39,15 +39,17 @@ int panic_on_unrecovered_nmi;
* different subsystems this reservation system just tries to coordinate
* things a little
*/
-static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner);
-static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[2]);
-
-static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
* offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
*/
#define NMI_MAX_COUNTER_BITS 66
+#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS)
+
+static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+
+static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* nmi_active:
* >0: the lapic NMI watchdog is active, but can be disabled
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 2bac8c60ad6..0bae862e9a5 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -519,7 +519,11 @@ static __init int init_k8_gatt(struct agp_kern_info *info)
gatt_size = (aper_size >> PAGE_SHIFT) * sizeof(u32);
gatt = (void *)__get_free_pages(GFP_KERNEL, get_order(gatt_size));
if (!gatt)
- panic("Cannot allocate GATT table");
+ panic("Cannot allocate GATT table");
+ if (change_page_attr_addr((unsigned long)gatt, gatt_size >> PAGE_SHIFT, PAGE_KERNEL_NOCACHE))
+ panic("Could not set GART PTEs to uncacheable pages");
+ global_flush_tlb();
+
memset(gatt, 0, gatt_size);
agp_gatt_table = gatt;
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index b73212c0a55..5176ecf006e 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -13,7 +13,7 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(phys_startup_64)
jiffies_64 = jiffies;
-_proxy_pda = 0;
+_proxy_pda = 1;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
data PT_LOAD FLAGS(7); /* RWE */