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: user_regset_view table fix for ia32 on 64-bit
  x86: arch/x86/mm/pat.c - fix warning
  x86: fix csum_partial() export
  x86: early_init_centaur(): use set_cpu_cap()
  x86: fix app crashes after SMP resume
  x86: wakeup.lds.S - section ordering fix
  x86: [VOYAGER] fix duplicate phys_cpu_present_map symbol
  x86/pci: fix broken ISA DMA
This commit is contained in:
Linus Torvalds 2008-05-13 12:33:56 -07:00
commit 4ef7e3e90f
10 changed files with 39 additions and 32 deletions

View file

@ -12,11 +12,6 @@ ENTRY(_start)
SECTIONS
{
. = HEADER_OFFSET;
.header : {
*(.header)
}
. = 0;
.text : {
*(.text*)
@ -50,6 +45,11 @@ SECTIONS
__bss_end = .;
}
. = HEADER_OFFSET;
.header : {
*(.header)
}
. = ALIGN(16);
_end = .;

View file

@ -1303,6 +1303,9 @@ static const struct user_regset_view user_x86_64_view = {
#define genregs32_get genregs_get
#define genregs32_set genregs_set
#define user_i387_ia32_struct user_i387_struct
#define user32_fxsr_struct user_fxsr_struct
#endif /* CONFIG_X86_64 */
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
@ -1315,13 +1318,13 @@ static const struct user_regset x86_32_regsets[] = {
},
[REGSET_FP] = {
.core_note_type = NT_PRFPREG,
.n = sizeof(struct user_i387_struct) / sizeof(u32),
.n = sizeof(struct user_i387_ia32_struct) / sizeof(u32),
.size = sizeof(u32), .align = sizeof(u32),
.active = fpregs_active, .get = fpregs_get, .set = fpregs_set
},
[REGSET_XFP] = {
.core_note_type = NT_PRXFPREG,
.n = sizeof(struct user_i387_struct) / sizeof(u32),
.n = sizeof(struct user32_fxsr_struct) / sizeof(u32),
.size = sizeof(u32), .align = sizeof(u32),
.active = xfpregs_active, .get = xfpregs_get, .set = xfpregs_set
},

View file

@ -12,6 +12,7 @@
#include <asm/mpspec.h>
#include <asm/apicdef.h>
#ifdef CONFIG_X86_LOCAL_APIC
unsigned int num_processors;
unsigned disabled_cpus __cpuinitdata;
/* Processor that is doing the boot up */
@ -23,8 +24,9 @@ EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map;
#endif
#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_SMP)
#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP)
/*
* Copy data used in early init routines from the initial arrays to the
* per cpu data areas. These arrays then become expendable and the

View file

@ -951,7 +951,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
{
if (c->x86 == 0x6 && c->x86_model >= 0xf)
set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
}
static void __cpuinit init_centaur(struct cpuinfo_x86 *c)

View file

@ -231,7 +231,8 @@ native_smp_call_function_mask(cpumask_t mask,
wmb();
/* Send a message to other CPUs */
if (cpus_equal(mask, allbutself))
if (cpus_equal(mask, allbutself) &&
cpus_equal(cpu_online_map, cpu_callout_map))
send_IPI_allbutself(CALL_FUNCTION_VECTOR);
else
send_IPI_mask(mask, CALL_FUNCTION_VECTOR);

View file

@ -86,6 +86,7 @@ void *x86_bios_cpu_apicid_early_ptr;
#ifdef CONFIG_X86_32
u8 apicid_2_node[MAX_APICID];
static int low_mappings;
#endif
/* State of each CPU */
@ -326,6 +327,12 @@ static void __cpuinit start_secondary(void *unused)
enable_8259A_irq(0);
}
#ifdef CONFIG_X86_32
while (low_mappings)
cpu_relax();
__flush_tlb_all();
#endif
/* This must be done before setting cpu_online_map */
set_cpu_sibling_map(raw_smp_processor_id());
wmb();
@ -1040,14 +1047,20 @@ int __cpuinit native_cpu_up(unsigned int cpu)
#ifdef CONFIG_X86_32
/* init low mem mapping */
clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY,
min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
flush_tlb_all();
#endif
low_mappings = 1;
err = do_boot_cpu(apicid, cpu);
if (err < 0) {
zap_low_mappings();
low_mappings = 0;
#else
err = do_boot_cpu(apicid, cpu);
#endif
if (err) {
Dprintk("do_boot_cpu failed %d\n", err);
return err;
return -EIO;
}
/*
@ -1259,9 +1272,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
setup_ioapic_dest();
#endif
check_nmi_watchdog();
#ifdef CONFIG_X86_32
zap_low_mappings();
#endif
}
#ifdef CONFIG_HOTPLUG_CPU

View file

@ -2,6 +2,7 @@
All C exports should go in the respective C files. */
#include <linux/module.h>
#include <net/checksum.h>
#include <linux/smp.h>
#include <asm/processor.h>
@ -29,6 +30,8 @@ EXPORT_SYMBOL(__copy_from_user_inatomic);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(csum_partial);
/*
* Export string functions. We normally rely on gcc builtin for most of these,
* but gcc sometimes decides not to inline them.

View file

@ -136,8 +136,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
(__force u32)sum);
}
EXPORT_SYMBOL(csum_partial);
/*
* this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c

View file

@ -438,8 +438,6 @@ void zap_low_mappings(void)
{
int i;
save_pg_dir();
/*
* Zap initial low-memory mappings.
*
@ -663,16 +661,8 @@ void __init mem_init(void)
test_wp_bit();
cpa_init();
/*
* Subtle. SMP is doing it's boot stuff late (because it has to
* fork idle threads) - but it also needs low mappings for the
* protected-mode entry to work. We zap these entries only after
* the WP-bit has been tested.
*/
#ifndef CONFIG_SMP
save_pg_dir();
zap_low_mappings();
#endif
}
#ifdef CONFIG_MEMORY_HOTPLUG

View file

@ -555,7 +555,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
"%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n",
current->comm, current->pid,
cattr_name(flags),
offset, offset + size);
offset, (unsigned long long)(offset + size));
return 0;
}
@ -576,7 +576,7 @@ void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot)
"%s:%d /dev/mem expected mapping type %s for %Lx-%Lx, got %s\n",
current->comm, current->pid,
cattr_name(want_flags),
addr, addr + size,
addr, (unsigned long long)(addr + size),
cattr_name(flags));
}
}