diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
| commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
| tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /arch/tile/kernel/traps.c | |
| parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
| parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/tile/kernel/traps.c')
| -rw-r--r-- | arch/tile/kernel/traps.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c index bf841ca517bb..312fc134c1cb 100644 --- a/arch/tile/kernel/traps.c +++ b/arch/tile/kernel/traps.c @@ -20,6 +20,7 @@ #include <linux/reboot.h> #include <linux/uaccess.h> #include <linux/ptrace.h> +#include <linux/context_tracking.h> #include <asm/stack.h> #include <asm/traps.h> #include <asm/setup.h> @@ -253,6 +254,7 @@ static int do_bpt(struct pt_regs *regs) void __kprobes do_trap(struct pt_regs *regs, int fault_num, unsigned long reason) { + enum ctx_state prev_state = exception_enter(); siginfo_t info = { 0 }; int signo, code; unsigned long address = 0; @@ -261,7 +263,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, /* Handle breakpoints, etc. */ if (is_kernel && fault_num == INT_ILL && do_bpt(regs)) - return; + goto done; /* Re-enable interrupts, if they were previously enabled. */ if (!(regs->flags & PT_FLAGS_DISABLE_IRQ)) @@ -275,7 +277,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, const char *name; char buf[100]; if (fixup_exception(regs)) /* ILL_TRANS or UNALIGN_DATA */ - return; + goto done; if (fault_num >= 0 && fault_num < ARRAY_SIZE(int_name) && int_name[fault_num] != NULL) @@ -294,7 +296,6 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, fault_num, name, regs->pc, buf); show_regs(regs); do_exit(SIGKILL); /* FIXME: implement i386 die() */ - return; } switch (fault_num) { @@ -308,7 +309,6 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, pr_err("Unreadable instruction for INT_ILL: %#lx\n", regs->pc); do_exit(SIGKILL); - return; } if (!special_ill(instr, &signo, &code)) { signo = SIGILL; @@ -319,7 +319,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, case INT_GPV: #if CHIP_HAS_TILE_DMA() if (retry_gpv(reason)) - return; + goto done; #endif /*FALLTHROUGH*/ case INT_UDN_ACCESS: @@ -346,7 +346,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, if (!state || (void __user *)(regs->pc) != state->buffer) { single_step_once(regs); - return; + goto done; } } #endif @@ -380,7 +380,6 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, #endif default: panic("Unexpected do_trap interrupt number %d", fault_num); - return; } info.si_signo = signo; @@ -391,6 +390,9 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num, if (signo != SIGTRAP) trace_unhandled_signal("trap", regs, address, signo); force_sig_info(signo, &info, current); + +done: + exception_exit(prev_state); } void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52) |