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6ba9b7d8f0
linux/arch/x86/mm
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Andi Kleen 6ba9b7d8f0 x86: fix c_p_a() boot crash 
fix:

> hm, i just found a failing 64-bit .config while testing your CPA
> patchset:
>
>  [    1.916541] CPA mapping 4k 0 large 2048 gb 0 x 0[0-0] miss 0
>  [    1.919874] Unable to handle kernel paging request at 000000000335aea8 RIP:
>  [    1.919874]  [<ffffffff8021d2d3>] change_page_attr+0x3/0x61
>  [    1.919874] PGD 0
>  [    1.919874] Oops: 0000 [1]
>  [    1.919874] CPU 0

This handles addresses which don't have a mem_map entry.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30 13:33:52 +01:00
..
discontig_32.c x86: make NUMA work on 32-bit 2008-01-30 13:33:25 +01:00
extable.c
fault_32.c x86: return the page table level in lookup_address() 2008-01-30 13:33:43 +01:00
fault_64.c x86: update reliability argument to printk_address 2008-01-30 13:33:24 +01:00
highmem_32.c
hugetlbpage.c x86: demacro asm-x86/pgalloc_32.h 2008-01-30 13:33:39 +01:00
init_32.c x86: shrink __PAGE_KERNEL/__PAGE_KERNEL_EXEC on non PAE kernels 2008-01-30 13:33:50 +01:00
init_64.c c_p_a(): do a simple self test at boot 2008-01-30 13:33:42 +01:00
ioremap_32.c x86: early_ioremap_init(), enhance warnings 2008-01-30 13:33:49 +01:00
ioremap_64.c x86: set strong uncacheable where UC is really desired 2008-01-30 13:33:43 +01:00
k8topology_64.c
Makefile
Makefile_32 x86: replace boot_ioremap() with enhanced bt_ioremap() - remove boot_ioremap() 2008-01-30 13:33:44 +01:00
Makefile_64 x86: c_p_a(), add simple self test at boot 2008-01-30 13:33:43 +01:00
mmap.c
numa_64.c x86: early cpu_to_node fix in numa_64.c 2008-01-30 13:33:33 +01:00
pageattr_32.c x86: return the page table level in lookup_address() 2008-01-30 13:33:43 +01:00
pageattr_64.c x86: cpa: remove unnecessary masking of address 2008-01-30 13:33:50 +01:00
pageattr-test.c x86: fix c_p_a() boot crash 2008-01-30 13:33:52 +01:00
pgtable_32.c x86: allocate and initialize unshared pmds 2008-01-30 13:33:40 +01:00
srat_64.c x86: fix section mismatch warning in srat_64.c 2008-01-30 13:33:37 +01:00