Commit-ID: 12074fa1073013dd11f1cff41db018d5cff4ecd9 Gitweb: http://git.kernel.org/tip/12074fa1073013dd11f1cff41db018d5cff4ecd9 Author: "Akinobu Mita" <akinobu.mita@xxxxxxxxx> AuthorDate: Wed, 11 Mar 2009 23:34:50 +0900 Commit: Ingo Molnar <mingo@xxxxxxx> CommitDate: Wed, 11 Mar 2009 15:47:46 +0100 x86: debug check for kmap_atomic_pfn and iomap_atomic_prot_pfn() It may be useful for kmap_atomic_pfn() and iomap_atomic_prot_pfn() to check invalid kmap usage as well as kmap_atomic. Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> LKML-Reference: <20090311143449.GB22244@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/mm/highmem_32.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index ae4c8da..f256e73 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -128,6 +128,8 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot) pagefault_disable(); + debug_kmap_atomic_prot(type); + idx = type + KM_TYPE_NR * smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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