diff options
| author | Will Deacon <will.deacon@arm.com> | 2019-02-26 15:37:09 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-09 11:21:13 +0100 |
| commit | fb610f2a2006322bebeb30408fefce6a01df09ea (patch) | |
| tree | f9e6531415ddea6b10f2cb1c665291a5fabc70db /arch/arm64/kernel/traps.c | |
| parent | a22d570aee77ae626e4d3532478ae8058a24bdb3 (diff) | |
arm64: debug: Remove redundant user_mode(regs) checks from debug handlers
Now that the debug hook dispatching code takes the triggering exception
level into account, there's no need for the hooks themselves to poke
around with user_mode(regs).
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/traps.c')
| -rw-r--r-- | arch/arm64/kernel/traps.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 85fdc3d7c556..091379744d2f 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -947,9 +947,6 @@ int is_valid_bugaddr(unsigned long addr) static int bug_handler(struct pt_regs *regs, unsigned int esr) { - if (user_mode(regs)) - return DBG_HOOK_ERROR; - switch (report_bug(regs->pc, regs)) { case BUG_TRAP_TYPE_BUG: die("Oops - BUG", regs, 0); @@ -988,9 +985,6 @@ static int kasan_handler(struct pt_regs *regs, unsigned int esr) u64 addr = regs->regs[0]; u64 pc = regs->pc; - if (user_mode(regs)) - return DBG_HOOK_ERROR; - kasan_report(addr, size, write, pc); /* |