[PATCH 2/5] Add 'code' parameter for hook_fault_code()
Kirill A. Shutsemov
kirill at shutemov.name
Mon Jul 19 04:53:22 EDT 2010
From: Kirill A. Shutemov <kirill at shutemov.name>
Add one more parameter to hook_fault_code() to be able to set 'code'
field of struct fsr_info.
Signed-off-by: Kirill A. Shutemov <kirill at shutemov.name>
---
arch/arm/include/asm/system.h | 2 +-
arch/arm/mach-integrator/pci_v3.c | 8 ++++----
arch/arm/mach-iop13xx/pci.c | 2 +-
arch/arm/mach-ixp2000/pci.c | 2 +-
arch/arm/mach-ixp23xx/pci.c | 2 +-
arch/arm/mach-ixp4xx/common-pci.c | 3 ++-
arch/arm/mach-ks8695/pci.c | 4 ++--
arch/arm/mm/alignment.c | 6 ++++--
arch/arm/mm/fault.c | 14 ++++++++------
arch/arm/plat-iop/pci.c | 2 +-
10 files changed, 25 insertions(+), 20 deletions(-)
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 5f4f480..8ba1ccf 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -83,7 +83,7 @@ void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
struct pt_regs *),
- int sig, const char *name);
+ int sig, int code, const char *name);
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 9cef059..6467d99 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -505,10 +505,10 @@ void __init pci_v3_preinit(void)
/*
* Hook in our fault handler for PCI errors
*/
- hook_fault_code(4, v3_pci_fault, SIGBUS, "external abort on linefetch");
- hook_fault_code(6, v3_pci_fault, SIGBUS, "external abort on linefetch");
- hook_fault_code(8, v3_pci_fault, SIGBUS, "external abort on non-linefetch");
- hook_fault_code(10, v3_pci_fault, SIGBUS, "external abort on non-linefetch");
+ hook_fault_code(4, v3_pci_fault, SIGBUS, 0, "external abort on linefetch");
+ hook_fault_code(6, v3_pci_fault, SIGBUS, 0, "external abort on linefetch");
+ hook_fault_code(8, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
+ hook_fault_code(10, v3_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
spin_lock_irqsave(&v3_lock, flags);
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index 6d5a908..773ea0c 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -987,7 +987,7 @@ void __init iop13xx_pci_init(void)
iop13xx_atux_setup();
}
- hook_fault_code(16+6, iop13xx_pci_abort, SIGBUS,
+ hook_fault_code(16+6, iop13xx_pci_abort, SIGBUS, 0,
"imprecise external abort");
}
diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c
index 90771ca..853fd90 100644
--- a/arch/arm/mach-ixp2000/pci.c
+++ b/arch/arm/mach-ixp2000/pci.c
@@ -209,7 +209,7 @@ ixp2000_pci_preinit(void)
"the needed workaround has not been configured in");
#endif
- hook_fault_code(16+6, ixp2000_pci_abort_handler, SIGBUS,
+ hook_fault_code(16+6, ixp2000_pci_abort_handler, SIGBUS, 0
"PCI config cycle to non-existent device");
}
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c
index 4b0e598..563819a 100644
--- a/arch/arm/mach-ixp23xx/pci.c
+++ b/arch/arm/mach-ixp23xx/pci.c
@@ -229,7 +229,7 @@ void __init ixp23xx_pci_preinit(void)
{
ixp23xx_pci_common_init();
- hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS,
+ hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS, 0,
"PCI config cycle to non-existent device");
*IXP23XX_PCI_ADDR_EXT = 0x0000e000;
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index e318153..f4fbb5e 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -382,7 +382,8 @@ void __init ixp4xx_pci_preinit(void)
/* hook in our fault handler for PCI errors */
- hook_fault_code(16+6, abort_handler, SIGBUS, "imprecise external abort");
+ hook_fault_code(16+6, abort_handler, SIGBUS, 0,
+ "imprecise external abort");
pr_debug("setup PCI-AHB(inbound) and AHB-PCI(outbound) address mappings\n");
diff --git a/arch/arm/mach-ks8695/pci.c b/arch/arm/mach-ks8695/pci.c
index 7849966..5fcd082 100644
--- a/arch/arm/mach-ks8695/pci.c
+++ b/arch/arm/mach-ks8695/pci.c
@@ -268,8 +268,8 @@ static void __init ks8695_pci_preinit(void)
__raw_writel(0, KS8695_PCI_VA + KS8695_PIOBAC);
/* hook in fault handlers */
- hook_fault_code(8, ks8695_pci_fault, SIGBUS, "external abort on non-linefetch");
- hook_fault_code(10, ks8695_pci_fault, SIGBUS, "external abort on non-linefetch");
+ hook_fault_code(8, ks8695_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
+ hook_fault_code(10, ks8695_pci_fault, SIGBUS, 0, "external abort on non-linefetch");
}
static void ks8695_show_pciregs(void)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 53a6096..77cfdbe 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -924,8 +924,10 @@ static int __init alignment_init(void)
ai_usermode = UM_FIXUP;
}
- hook_fault_code(1, do_alignment, SIGBUS, "alignment exception");
- hook_fault_code(3, do_alignment, SIGBUS, "alignment exception");
+ hook_fault_code(1, do_alignment, SIGBUS, BUS_ADRALN,
+ "alignment exception");
+ hook_fault_code(3, do_alignment, SIGBUS, BUS_ADRALN,
+ "alignment exception");
return 0;
}
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index ce6f3a4..84131c8 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -508,13 +508,15 @@ static struct fsr_info {
void __init
hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *),
- int sig, const char *name)
+ int sig, int code, const char *name)
{
- if (nr >= 0 && nr < ARRAY_SIZE(fsr_info)) {
- fsr_info[nr].fn = fn;
- fsr_info[nr].sig = sig;
- fsr_info[nr].name = name;
- }
+ if (nr < 0 || nr >= ARRAY_SIZE(fsr_info))
+ BUG();
+
+ fsr_info[nr].fn = fn;
+ fsr_info[nr].sig = sig;
+ fsr_info[nr].code = code;
+ fsr_info[nr].name = name;
}
/*
diff --git a/arch/arm/plat-iop/pci.c b/arch/arm/plat-iop/pci.c
index ce31f31..43f2b15 100644
--- a/arch/arm/plat-iop/pci.c
+++ b/arch/arm/plat-iop/pci.c
@@ -359,7 +359,7 @@ static void __init iop3xx_atu_debug(void)
DBG("ATU: IOP3XX_ATUCMD=0x%04x\n", *IOP3XX_ATUCMD);
DBG("ATU: IOP3XX_ATUCR=0x%08x\n", *IOP3XX_ATUCR);
- hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, "imprecise external abort");
+ hook_fault_code(16+6, iop3xx_pci_abort, SIGBUS, 0, "imprecise external abort");
}
/* for platforms that might be host-bus-adapters */
--
1.7.1.1
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