diff options
Diffstat (limited to 'queue-6.8/irqflags-explicitly-ignore-lockdep_hrtimer_exit-argument.patch')
| -rw-r--r-- | queue-6.8/irqflags-explicitly-ignore-lockdep_hrtimer_exit-argument.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/queue-6.8/irqflags-explicitly-ignore-lockdep_hrtimer_exit-argument.patch b/queue-6.8/irqflags-explicitly-ignore-lockdep_hrtimer_exit-argument.patch new file mode 100644 index 0000000000..2c1cd648fc --- /dev/null +++ b/queue-6.8/irqflags-explicitly-ignore-lockdep_hrtimer_exit-argument.patch @@ -0,0 +1,40 @@ +From c1d11fc2c8320871b40730991071dd0a0b405bc8 Mon Sep 17 00:00:00 2001 +From: Arnd Bergmann <arnd@arndb.de> +Date: Mon, 8 Apr 2024 09:46:01 +0200 +Subject: irqflags: Explicitly ignore lockdep_hrtimer_exit() argument + +From: Arnd Bergmann <arnd@arndb.de> + +commit c1d11fc2c8320871b40730991071dd0a0b405bc8 upstream. + +When building with 'make W=1' but CONFIG_TRACE_IRQFLAGS=n, the +unused argument to lockdep_hrtimer_exit() causes a warning: + +kernel/time/hrtimer.c:1655:14: error: variable 'expires_in_hardirq' set but not used [-Werror=unused-but-set-variable] + +This is intentional behavior, so add a cast to void to shut up the warning. + +Fixes: 73d20564e0dc ("hrtimer: Don't dereference the hrtimer pointer after the callback") +Reported-by: kernel test robot <lkp@intel.com> +Signed-off-by: Arnd Bergmann <arnd@arndb.de> +Signed-off-by: Thomas Gleixner <tglx@linutronix.de> +Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Cc: stable@vger.kernel.org +Link: https://lore.kernel.org/r/20240408074609.3170807-1-arnd@kernel.org +Closes: https://lore.kernel.org/oe-kbuild-all/202311191229.55QXHVc6-lkp@intel.com/ +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + include/linux/irqflags.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/include/linux/irqflags.h ++++ b/include/linux/irqflags.h +@@ -114,7 +114,7 @@ do { \ + # define lockdep_softirq_enter() do { } while (0) + # define lockdep_softirq_exit() do { } while (0) + # define lockdep_hrtimer_enter(__hrtimer) false +-# define lockdep_hrtimer_exit(__context) do { } while (0) ++# define lockdep_hrtimer_exit(__context) do { (void)(__context); } while (0) + # define lockdep_posixtimer_enter() do { } while (0) + # define lockdep_posixtimer_exit() do { } while (0) + # define lockdep_irq_work_enter(__work) do { } while (0) |