[GIT PULL] x86 fixes

Ingo Molnar
2011-01-19T19:01:50Z

Linus,

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

git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus

Thanks,

Ingo

------------------>
Ingo Molnar (1):
Revert "x86: Make relocatable kernel work with new binutils"

Jan Beulich (1):
x86: Unify "numa=" command line option handling

arch/x86/include/asm/numa_32.h | 2 ++
arch/x86/include/asm/numa_64.h | 1 +
arch/x86/kernel/vmlinux.lds.S | 11 ++---------
arch/x86/mm/numa.c | 22 ++++++++++++++++++++++
arch/x86/mm/numa_64.c | 24 +++++-------------------
arch/x86/mm/srat_32.c | 1 -
6 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h
index a372290..b0ef2b4 100644
--- a/arch/x86/include/asm/numa_32.h
+++ b/arch/x86/include/asm/numa_32.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_NUMA_32_H
#define _ASM_X86_NUMA_32_H

+extern int numa_off;
+
extern int pxm_to_nid(int pxm);
extern void numa_remove_cpu(int cpu);

diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h
index 5ae8728..0493be3 100644
--- a/arch/x86/include/asm/numa_64.h
+++ b/arch/x86/include/asm/numa_64.h
@@ -40,6 +40,7 @@ extern void __cpuinit numa_remove_cpu(int cpu);
#ifdef CONFIG_NUMA_EMU
#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
+void numa_emu_cmdline(char *);
#endif /* CONFIG_NUMA_EMU */
#else
static inline void init_cpu_to_node(void) { }
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index b34ab80..bf47007 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -34,9 +34,11 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
#ifdef CONFIG_X86_32
OUTPUT_ARCH(i386)
ENTRY(phys_startup_32)
+jiffies = jiffies_64;
#else
OUTPUT_ARCH(i386:x86-64)
ENTRY(phys_startup_64)
+jiffies_64 = jiffies;
#endif

#if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
@@ -140,15 +142,6 @@ SECTIONS
CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)

DATA_DATA
- /*
- * Workaround a binutils (2.20.51.0.12 to 2.21.51.0.3) bug.
- * This makes jiffies relocatable in such binutils
- */
-#ifdef CONFIG_X86_32
- jiffies = jiffies_64;
-#else
- jiffies_64 = jiffies;
-#endif
CONSTRUCTORS

/* rarely changed data like cpu maps */
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 787c52c..ebf6d78 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -2,6 +2,28 @@
#include <linux/topology.h>
#include <linux/module.h>
#include <linux/bootmem.h>
+#include <asm/numa.h>
+#include <asm/acpi.h>
+
+int __initdata numa_off;
+
+static __init int numa_setup(char *opt)
+{
+ if (!opt)
+ return -EINVAL;
+ if (!strncmp(opt, "off", 3))
+ numa_off = 1;
+#ifdef CONFIG_NUMA_EMU
+ if (!strncmp(opt, "fake=", 5))
+ numa_emu_cmdline(opt + 5);
+#endif
+#ifdef CONFIG_ACPI_NUMA
+ if (!strncmp(opt, "noacpi", 6))
+ acpi_numa = -1;
+#endif
+ return 0;
+}
+early_param("numa", numa_setup);

/*
* Which logical CPUs are on which nodes
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 1e72102..95ea155 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -30,7 +30,6 @@ s16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
};

-int numa_off __initdata;
static unsigned long __initdata nodemap_addr;
static unsigned long __initdata nodemap_size;

@@ -263,6 +262,11 @@ static struct bootnode nodes[MAX_NUMNODES] __initdata;
static struct bootnode physnodes[MAX_NUMNODES] __cpuinitdata;
static char *cmdline __initdata;

+void __init numa_emu_cmdline(char *str)
+{
+ cmdline = str;
+}
+
static int __init setup_physnodes(unsigned long start, unsigned long end,
int acpi, int amd)
{
@@ -670,24 +674,6 @@ unsigned long __init numa_free_all_bootmem(void)
return pages;
}

-static __init int numa_setup(char *opt)
-{
- if (!opt)
- return -EINVAL;
- if (!strncmp(opt, "off", 3))
- numa_off = 1;
-#ifdef CONFIG_NUMA_EMU
- if (!strncmp(opt, "fake=", 5))
- cmdline = opt + 5;
-#endif
-#ifdef CONFIG_ACPI_NUMA
- if (!strncmp(opt, "noacpi", 6))
- acpi_numa = -1;
-#endif
- return 0;
-}
-early_param("numa", numa_setup);
-
#ifdef CONFIG_NUMA

static __init int find_near_online_node(int node)
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index f164345..ae96e7b 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -59,7 +59,6 @@ static struct node_memory_chunk_s __initdata node_memory_chunk[MAXCHUNKS];
static int __initdata num_memory_chunks; /* total number of memory chunks */
static u8 __initdata apicid_to_pxm[MAX_APICID];

-int numa_off __initdata;
int acpi_numa __initdata;

static __init void bad_srat(void)