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author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 17:12:24 +0200 |
commit | 538f0fd0f210c2ce5c585799f18d0e5c7cf6155e (patch) | |
tree | e9fa2b10ce5d92ac6bcd8ac55af1cd97bda3ec5d /arch/x86 | |
parent | 3bb6fbf9969a8bbe4892968659239273d092e78a (diff) | |
parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) | |
download | kernel_samsung_smdk4412-538f0fd0f210c2ce5c585799f18d0e5c7cf6155e.zip kernel_samsung_smdk4412-538f0fd0f210c2ce5c585799f18d0e5c7cf6155e.tar.gz kernel_samsung_smdk4412-538f0fd0f210c2ce5c585799f18d0e5c7cf6155e.tar.bz2 |
Merge branch 'linus' into x86/gart
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/kernel/acpi/realmode/wakeup.lds.S | 10 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 8 | ||||
-rw-r--r-- | arch/x86/kernel/ptrace.c | 7 | ||||
-rw-r--r-- | arch/x86/kernel/setup.c | 4 | ||||
-rw-r--r-- | arch/x86/kernel/setup_64.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/smp.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/smpboot.c | 24 | ||||
-rw-r--r-- | arch/x86/kernel/x8664_ksyms_64.c | 3 | ||||
-rw-r--r-- | arch/x86/lib/csum-partial_64.c | 2 | ||||
-rw-r--r-- | arch/x86/mm/init_32.c | 12 | ||||
-rw-r--r-- | arch/x86/mm/pat.c | 4 | ||||
-rw-r--r-- | arch/x86/pci/i386.c | 4 |
12 files changed, 45 insertions, 38 deletions
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S index 22fab6c..7da00b7 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S +++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S @@ -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 = .; diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 81862d0..7747bc8 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -386,11 +386,13 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory)) return memory; - if (!dev) + if (!dev) { dev = &fallback_dev; + gfp |= GFP_DMA; + } dma_mask = dev->coherent_dma_mask; if (dma_mask == 0) - dma_mask = DMA_32BIT_MASK; + dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_32BIT_MASK; /* Device not DMA able */ if (dev->dma_mask == NULL) @@ -404,7 +406,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, larger than 16MB and in this case we have a chance of finding fitting memory in the next higher zone first. If not retry with true GFP_DMA. -AK */ - if (dma_mask <= DMA_32BIT_MASK) + if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA)) gfp |= GFP_DMA32; #endif diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index fb03ef3..a7835f2 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -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 }, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index c0c68c1..6f80b85 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -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 diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index f2fc8fe..6dff128 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -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) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 8f75893..0cb7aad 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -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); diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 6b087ab..3898849 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -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 diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c index 58882f9..f6c05d0 100644 --- a/arch/x86/kernel/x8664_ksyms_64.c +++ b/arch/x86/kernel/x8664_ksyms_64.c @@ -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. diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c index bc503f5..bf51144 100644 --- a/arch/x86/lib/csum-partial_64.c +++ b/arch/x86/lib/csum-partial_64.c @@ -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 diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index de236e4..ec30d10 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -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 diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 60adbe2..bcb1a8e 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -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)); } } diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 8af0f0b..10fb308 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, prot = pgprot_val(vma->vm_page_prot); if (pat_wc_enabled && write_combine) prot |= _PAGE_CACHE_WC; - else if (pat_wc_enabled) + else if (pat_wc_enabled || boot_cpu_data.x86 > 3) /* * ioremap() and ioremap_nocache() defaults to UC MINUS for now. * To avoid attribute conflicts, request UC MINUS here * aswell. */ prot |= _PAGE_CACHE_UC_MINUS; - else if (boot_cpu_data.x86 > 3) - prot |= _PAGE_CACHE_UC; vma->vm_page_prot = __pgprot(prot); |