* [PATCH 21/23] Make register values available to UM panic notifiers
@ 2010-04-12 6:04 David VomLehn
0 siblings, 0 replies; 3+ messages in thread
From: David VomLehn @ 2010-04-12 6:04 UTC (permalink / raw)
To: to, linux_arch, linux_arch; +Cc: akpm, linux-kernel, maint_arch
Changes for User Mode Linux. Not clear whether this needs save_ptregs()
or not.
Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
arch/um/kernel/trap.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 637c650..c917f26 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -168,7 +168,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
}
else if (current->mm == NULL) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Segfault with no mm");
+ panic_with_regs(regs, "Segfault with no mm");
}
if (SEGV_IS_FIXABLE(&fi) || SEGV_MAYBE_FIXABLE(&fi))
@@ -192,13 +192,14 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
UML_LONGJMP(catcher, 1);
}
else if (current->thread.fault_addr != NULL)
- panic("fault_addr set but no fault catcher");
+ panic_with_regs(regs, "fault_addr set but no fault catcher");
else if (!is_user && arch_fixup(ip, regs))
return 0;
if (!is_user) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Kernel mode fault at addr 0x%lx, ip 0x%lx",
+ panic_with_regs(regs,
+ "Kernel mode fault at addr 0x%lx, ip 0x%lx",
address, ip);
}
@@ -225,7 +226,7 @@ void relay_signal(int sig, struct uml_pt_regs *regs)
if (sig == SIGBUS)
printk(KERN_ERR "Bus error - the host /dev/shm or /tmp "
"mount likely just ran out of space\n");
- panic("Kernel mode signal %d", sig);
+ panic_with_regs(regs, "Kernel mode signal %d", sig);
}
arch_examine_signal(sig, regs);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 21/23] Make register values available to UM panic notifiers
@ 2010-04-12 6:07 ` David VomLehn
0 siblings, 0 replies; 3+ messages in thread
From: David VomLehn @ 2010-04-12 6:07 UTC (permalink / raw)
To: to, linux-arch@vger.kernel.org, linux-arch; +Cc: akpm, linux-kernel, maint_arch
Changes for User Mode Linux. Not clear whether this needs save_ptregs()
or not.
Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
arch/um/kernel/trap.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 637c650..c917f26 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -168,7 +168,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
}
else if (current->mm == NULL) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Segfault with no mm");
+ panic_with_regs(regs, "Segfault with no mm");
}
if (SEGV_IS_FIXABLE(&fi) || SEGV_MAYBE_FIXABLE(&fi))
@@ -192,13 +192,14 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
UML_LONGJMP(catcher, 1);
}
else if (current->thread.fault_addr != NULL)
- panic("fault_addr set but no fault catcher");
+ panic_with_regs(regs, "fault_addr set but no fault catcher");
else if (!is_user && arch_fixup(ip, regs))
return 0;
if (!is_user) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Kernel mode fault at addr 0x%lx, ip 0x%lx",
+ panic_with_regs(regs,
+ "Kernel mode fault at addr 0x%lx, ip 0x%lx",
address, ip);
}
@@ -225,7 +226,7 @@ void relay_signal(int sig, struct uml_pt_regs *regs)
if (sig == SIGBUS)
printk(KERN_ERR "Bus error - the host /dev/shm or /tmp "
"mount likely just ran out of space\n");
- panic("Kernel mode signal %d", sig);
+ panic_with_regs(regs, "Kernel mode signal %d", sig);
}
arch_examine_signal(sig, regs);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 21/23] Make register values available to UM panic notifiers
@ 2010-04-12 6:07 ` David VomLehn
0 siblings, 0 replies; 3+ messages in thread
From: David VomLehn @ 2010-04-12 6:07 UTC (permalink / raw)
To: to, linux-arch@vger.kernel.org; +Cc: akpm, linux-kernel, maint_arch
Changes for User Mode Linux. Not clear whether this needs save_ptregs()
or not.
Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
arch/um/kernel/trap.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 637c650..c917f26 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -168,7 +168,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
}
else if (current->mm == NULL) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Segfault with no mm");
+ panic_with_regs(regs, "Segfault with no mm");
}
if (SEGV_IS_FIXABLE(&fi) || SEGV_MAYBE_FIXABLE(&fi))
@@ -192,13 +192,14 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
UML_LONGJMP(catcher, 1);
}
else if (current->thread.fault_addr != NULL)
- panic("fault_addr set but no fault catcher");
+ panic_with_regs(regs, "fault_addr set but no fault catcher");
else if (!is_user && arch_fixup(ip, regs))
return 0;
if (!is_user) {
show_regs(container_of(regs, struct pt_regs, regs));
- panic("Kernel mode fault at addr 0x%lx, ip 0x%lx",
+ panic_with_regs(regs,
+ "Kernel mode fault at addr 0x%lx, ip 0x%lx",
address, ip);
}
@@ -225,7 +226,7 @@ void relay_signal(int sig, struct uml_pt_regs *regs)
if (sig == SIGBUS)
printk(KERN_ERR "Bus error - the host /dev/shm or /tmp "
"mount likely just ran out of space\n");
- panic("Kernel mode signal %d", sig);
+ panic_with_regs(regs, "Kernel mode signal %d", sig);
}
arch_examine_signal(sig, regs);
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2010-04-12 6:07 ` David VomLehn
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