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Commit 12fcdba1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'x86-fixes-for-linus' of... 

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: Unify "numa=" command line option handling
  Revert "x86: Make relocatable kernel work with new binutils"
parents 1268afe6 90321602

arch/x86/include/asm/numa_32.h

+2 −0
Original line number Diff line number Diff line 
#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);

arch/x86/include/asm/numa_64.h

+1 −0
Original line number Diff line number Diff line
@@ -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)		{ }

arch/x86/kernel/vmlinux.lds.S

+2 −9
Original line number Diff line number Diff line
@@ -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 */

arch/x86/mm/numa.c

+22 −0
Original line number Diff line number Diff line
@@ -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

arch/x86/mm/numa_64.c

+5 −19
Original line number Diff line number Diff line
@@ -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)