summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm
diff options
context:
space:
mode:
authorMasami Hiramatsu <mhiramat@redhat.com>2009-04-09 10:55:33 -0700
committerIngo Molnar <mingo@elte.hu>2009-04-10 20:27:13 +0200
commit9b987aeb4a7bc42a3eb8361030b820b0263c31f1 (patch)
tree3933856c5787830b689e8f8b0221978cc58f7bb5 /arch/x86/include/asm
parenta0d22f485af1553060b4094ee0154537a8f6a8a6 (diff)
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.h4
-rw-r--r--arch/x86/include/asm/io.h6
-rw-r--r--arch/x86/include/asm/paravirt.h4
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 81937a5dc77c..2d81af3974a0 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 e5383e3d2f8c..73739322b6d0 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 7727aa8b7dda..378e3691c08c 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);
}