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| author | Will Deacon <will.deacon@arm.com> | 2019-04-08 17:56:34 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-08 18:05:24 +0100 |
| commit | 1e6f5440a6814d28c32d347f338bfef68bc3e69d (patch) | |
| tree | 4010520c549266a7637d2587f0a541355da026b2 /Documentation/riscv | |
| parent | 5a3ae7b314a2259b1188b22b392f5eba01e443ee (diff) | |
| download | linux-1e6f5440a6814d28c32d347f338bfef68bc3e69d.tar.bz2 | |
arm64: backtrace: Don't bother trying to unwind the userspace stack
Calling dump_backtrace() with a pt_regs argument corresponding to
userspace doesn't make any sense and our unwinder will simply print
"Call trace:" before unwinding the stack looking for user frames.
Rather than go through this song and dance, just return early if we're
passed a user register state.
Cc: <stable@vger.kernel.org>
Fixes: 1149aad10b1e ("arm64: Add dump_backtrace() in show_regs")
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'Documentation/riscv')
0 files changed, 0 insertions, 0 deletions