AcoSail/kernel_optimize_test
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Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  generic, x86: fix add iommu_num_pages helper function
  x86: remove stray <6> in BogoMIPS printk
  x86: move dma32_reserve_bootmem() after reserve_crashkernel()
This commit is contained in:
Linus Torvalds 2008-08-01 10:28:17 -07:00
commit 57b1494d2b
6 changed files with 20 additions and 14 deletions
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8
arch/x86/kernel/pci-dma.c
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@ -123,6 +123,14 @@ void __init pci_iommu_alloc(void)
pci_swiotlb_init();
}
unsigned long iommu_num_pages(unsigned long addr, unsigned long len)
{
unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE);
return size >> PAGE_SHIFT;
}
EXPORT_SYMBOL(iommu_num_pages);
#endif
/*

13
arch/x86/kernel/setup.c
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@ -788,10 +788,6 @@ void __init setup_arch(char **cmdline_p)
initmem_init(0, max_pfn);
#ifdef CONFIG_X86_64
dma32_reserve_bootmem();
#endif
#ifdef CONFIG_ACPI_SLEEP
/*
* Reserve low memory region for sleep support.
@ -806,6 +802,15 @@ void __init setup_arch(char **cmdline_p)
#endif
reserve_crashkernel();
#ifdef CONFIG_X86_64
/*
* dma32_reserve_bootmem() allocates bootmem which may conflict
* with the crashkernel command line, so do that after
* reserve_crashkernel()
*/
dma32_reserve_bootmem();
#endif
reserve_ibft_region();
#ifdef CONFIG_KVM_CLOCK

2
include/asm-x86/iommu.h
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@ -7,6 +7,8 @@ extern struct dma_mapping_ops nommu_dma_ops;
extern int force_iommu, no_iommu;
extern int iommu_detected;
extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len);
#ifdef CONFIG_GART_IOMMU
extern int gart_iommu_aperture;
extern int gart_iommu_aperture_allowed;

1
include/linux/iommu-helper.h
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@ -8,4 +8,3 @@ extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
unsigned long align_mask);
extern void iommu_area_free(unsigned long *map, unsigned long start,
unsigned int nr);
extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len);

2
init/calibrate.c
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@ -170,7 +170,7 @@ void __cpuinit calibrate_delay(void)
loops_per_jiffy &= ~loopbit;
}
}
printk(KERN_INFO "%lu.%02lu BogoMIPS (lpj=%lu)\n",
printk(KERN_CONT "%lu.%02lu BogoMIPS (lpj=%lu)\n",
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100, loops_per_jiffy);
}

8
lib/iommu-helper.c
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@ -80,11 +80,3 @@ void iommu_area_free(unsigned long *map, unsigned long start, unsigned int nr)
}
}
EXPORT_SYMBOL(iommu_area_free);
unsigned long iommu_num_pages(unsigned long addr, unsigned long len)
{
unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE);
return size >> PAGE_SHIFT;
}
EXPORT_SYMBOL(iommu_num_pages);