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| author | He Zhe <zhe.he@windriver.com> | 2021-10-12 11:44:21 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2023-11-06 14:24:52 +0300 |
| commit | 0e1ea45fac0adc430a97b15bddfcc28f6b7d48c7 (patch) | |
| tree | 8fedc243de27d998104e78b8ceb30a77471058ab /net/lapb/lapb_subr.c | |
| parent | b00b3ea5c737160dd829077636c0f5554e41ef2e (diff) | |
| download | linux-0e1ea45fac0adc430a97b15bddfcc28f6b7d48c7.tar.xz | |
arm64: signal: Use ARCH_RT_DELAYS_SIGNAL_SEND.
The software breakpoint is handled via do_debug_exception() which
disables preemption. On PREEMPT_RT spinlock_t become sleeping locks and
must not be acquired with disabled preemption.
Use ARCH_RT_DELAYS_SIGNAL_SEND so the signal (from send_user_sigtrap())
is sent delayed in return to userland.
Cc: stable-rt@vger.kernel.org
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20211012084421.35136-1-zhe.he@windriver.com
Diffstat (limited to 'net/lapb/lapb_subr.c')
0 files changed, 0 insertions, 0 deletions