Commit b2b3379f authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'csd-lock.2025.01.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu 

Pull CSD-lock update from Paul McKenney:
 "Allow runtime modification of the csd_lock_timeout and
  panic_on_ipistall module parameters"

* tag 'csd-lock.2025.01.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  locking/csd-lock: make CSD lock debug tunables writable in /sys
parents cd45f362 0e4a19e2

kernel/smp.c

+2 −2
Original line number Diff line number Diff line
@@ -170,9 +170,9 @@ static DEFINE_PER_CPU(smp_call_func_t, cur_csd_func); 
static DEFINE_PER_CPU(void *, cur_csd_info);



static ulong csd_lock_timeout = 5000;  /* CSD lock timeout in milliseconds. */

module_param(csd_lock_timeout, ulong, 0444);

module_param(csd_lock_timeout, ulong, 0644);

static int panic_on_ipistall;  /* CSD panic timeout in milliseconds, 300000 for five minutes. */

module_param(panic_on_ipistall, int, 0444);

module_param(panic_on_ipistall, int, 0644);



static atomic_t csd_bug_count = ATOMIC_INIT(0);