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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 17:36:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 17:36:21 -0700
commit6bb597507f9839b13498781e481f5458aea33620 (patch)
tree33e6cbc66736e221217356c7120465be10dbaa1e /arch/x86/kernel
parent09f38dc19deba9eae1d668dde8bdd2aaed3479ed (diff)
parentc5c67c7cba6a652d1c62dce45b0c130e5cb2a802 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mtrr: remove debug message x86: disable stack-protector for __restore_processor_state() x86: fix is_io_mapping_possible() build warning on i386 allnoconfig x86, setup: compile with -DDISABLE_BRANCH_PROFILING x86/dma: unify definition of pci_unmap_addr* and pci_unmap_len macros x86, mm: fix misuse of debug_kmap_atomic x86: remove duplicated code with pcpu_need_numa() x86,percpu: fix inverted NUMA test in setup_pcpu_remap() x86: signal: check sas_ss_size instead of sas_ss_flags()
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c3
-rw-r--r--arch/x86/kernel/setup_percpu.c16
-rw-r--r--arch/x86/kernel/signal.c2
3 files changed, 2 insertions, 19 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 37f28fc7cf95..0b776c09aff3 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -462,9 +462,6 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
*base = base_hi << (32 - PAGE_SHIFT) | base_lo >> PAGE_SHIFT;
*type = base_lo & 0xff;
- printk(KERN_DEBUG " get_mtrr: cpu%d reg%02d base=%010lx size=%010lx %s\n",
- cpu, reg, *base, *size,
- mtrr_attrib_to_str(*type & 0xff));
out_put_cpu:
put_cpu();
}
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 400331b50a53..3a97a4cf1872 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -153,7 +153,6 @@ static struct page * __init pcpur_get_page(unsigned int cpu, int pageno)
static ssize_t __init setup_pcpu_remap(size_t static_size)
{
static struct vm_struct vm;
- pg_data_t *last;
size_t ptrs_size, dyn_size;
unsigned int cpu;
ssize_t ret;
@@ -162,22 +161,9 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
* If large page isn't supported, there's no benefit in doing
* this. Also, on non-NUMA, embedding is better.
*/
- if (!cpu_has_pse || pcpu_need_numa())
+ if (!cpu_has_pse || !pcpu_need_numa())
return -EINVAL;
- last = NULL;
- for_each_possible_cpu(cpu) {
- int node = early_cpu_to_node(cpu);
-
- if (node_online(node) && NODE_DATA(node) &&
- last && last != NODE_DATA(node))
- goto proceed;
-
- last = NODE_DATA(node);
- }
- return -EINVAL;
-
-proceed:
/*
* Currently supports only single page. Supporting multiple
* pages won't be too difficult if it ever becomes necessary.
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index dfcc74ab0ab6..14425166b8e3 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -221,7 +221,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
if (!onsigstack) {
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
- if (sas_ss_flags(sp) == 0)
+ if (current->sas_ss_size)
sp = current->sas_ss_sp + current->sas_ss_size;
} else {
#ifdef CONFIG_X86_32