Messages in this thread Patch in this message | | | Date | Sun, 11 Apr 2010 23:07:13 -0700 | From | David VomLehn <> | Subject | [PATCH 21/23] Make register values available to UM panic notifiers |
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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);
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