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config: remove HAVE_SIGNAL_STOP

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #16479
This commit is contained in:
Rob Norris 2024-08-24 21:01:04 +10:00 committed by Brian Behlendorf
parent 8396c84346
commit b32b6ac6e5
3 changed files with 0 additions and 31 deletions
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21
config/kernel-signal-stop.m4
View File

@ -1,21 +0,0 @@
dnl #
dnl # 4.4 API change
dnl # Added kernel_signal_stop
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_SIGNAL_STOP], [
ZFS_LINUX_TEST_SRC([signal_stop], [
#include <linux/sched/signal.h>
],[
kernel_signal_stop();
])
])
AC_DEFUN([ZFS_AC_KERNEL_SIGNAL_STOP], [
AC_MSG_CHECKING([whether signal_stop() exists])
ZFS_LINUX_TEST_RESULT([signal_stop], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_SIGNAL_STOP, 1, [signal_stop() exists])
],[
AC_MSG_RESULT(no)
])
])

2
config/kernel.m4
View File

@ -111,7 +111,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_MKNOD
ZFS_AC_KERNEL_SRC_SYMLINK
ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS
ZFS_AC_KERNEL_SRC_SIGNAL_STOP
ZFS_AC_KERNEL_SRC_SIGINFO
ZFS_AC_KERNEL_SRC_SYSFS
ZFS_AC_KERNEL_SRC_STANDALONE_LINUX_STDARG
@ -226,7 +225,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_MKNOD
ZFS_AC_KERNEL_SYMLINK
ZFS_AC_KERNEL_BIO_MAX_SEGS
ZFS_AC_KERNEL_SIGNAL_STOP
ZFS_AC_KERNEL_SIGINFO
ZFS_AC_KERNEL_SYSFS
ZFS_AC_KERNEL_STANDALONE_LINUX_STDARG

8
module/os/linux/spl/spl-thread.c
View File

@ -175,17 +175,9 @@ issig(void)
#else
if (dequeue_signal(task, &set, &__info) != 0) {
#endif
#ifdef HAVE_SIGNAL_STOP
spin_unlock_irq(&task->sighand->siglock);
kernel_signal_stop();
#else
if (current->jobctl & JOBCTL_STOP_DEQUEUED)
set_special_state(TASK_STOPPED);
spin_unlock_irq(&current->sighand->siglock);
schedule();
#endif
/*
* Dequeued SIGSTOP/SIGTSTP.
* Check if process has other singal pending.