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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-04-09 10:55:33 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-10 20:27:13 +0200 |
| commit | 9b987aeb4a7bc42a3eb8361030b820b0263c31f1 (patch) | |
| tree | 3933856c5787830b689e8f8b0221978cc58f7bb5 /arch/x86/include/asm | |
| parent | a0d22f485af1553060b4094ee0154537a8f6a8a6 (diff) | |
| download | op-kernel-dev-9b987aeb4a7bc42a3eb8361030b820b0263c31f1.zip op-kernel-dev-9b987aeb4a7bc42a3eb8361030b820b0263c31f1.tar.gz | |
x86: fix set_fixmap to use phys_addr_t
Impact: fix kprobes crash on 32-bit with RAM above 4G
Use phys_addr_t for receiving a physical address argument
instead of unsigned long. This allows fixmap to handle
pages higher than 4GB on x86-32.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: systemtap-ml <systemtap@sources.redhat.com>
Cc: Gary Hade <garyhade@us.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <49DE3695.6040800@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/fixmap.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/io.h | 6 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 4 |
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index 81937a5..2d81af3 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -151,11 +151,11 @@ extern pte_t *pkmap_page_table; void __native_set_fixmap(enum fixed_addresses idx, pte_t pte); void native_set_fixmap(enum fixed_addresses idx, - unsigned long phys, pgprot_t flags); + phys_addr_t phys, pgprot_t flags); #ifndef CONFIG_PARAVIRT static inline void __set_fixmap(enum fixed_addresses idx, - unsigned long phys, pgprot_t flags) + phys_addr_t phys, pgprot_t flags) { native_set_fixmap(idx, phys, flags); } diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index e5383e3..7373932 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -193,8 +193,10 @@ extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size); */ extern void early_ioremap_init(void); extern void early_ioremap_reset(void); -extern void __iomem *early_ioremap(unsigned long offset, unsigned long size); -extern void __iomem *early_memremap(unsigned long offset, unsigned long size); +extern void __iomem *early_ioremap(resource_size_t phys_addr, + unsigned long size); +extern void __iomem *early_memremap(resource_size_t phys_addr, + unsigned long size); extern void early_iounmap(void __iomem *addr, unsigned long size); #define IO_SPACE_LIMIT 0xffff diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 7727aa8..378e369 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -347,7 +347,7 @@ struct pv_mmu_ops { /* Sometimes the physical address is a pfn, and sometimes its an mfn. We can tell which is which from the index. */ void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, - unsigned long phys, pgprot_t flags); + phys_addr_t phys, pgprot_t flags); }; struct raw_spinlock; @@ -1432,7 +1432,7 @@ static inline void arch_leave_lazy_mmu_mode(void) void arch_flush_lazy_mmu_mode(void); static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, - unsigned long phys, pgprot_t flags) + phys_addr_t phys, pgprot_t flags) { pv_mmu_ops.set_fixmap(idx, phys, flags); } |
