diff options
Diffstat (limited to 'debian/patches-rt/0100-printk-Add-sparse-notation-to-console_srcu-locking.patch')
-rw-r--r-- | debian/patches-rt/0100-printk-Add-sparse-notation-to-console_srcu-locking.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/debian/patches-rt/0100-printk-Add-sparse-notation-to-console_srcu-locking.patch b/debian/patches-rt/0100-printk-Add-sparse-notation-to-console_srcu-locking.patch new file mode 100644 index 0000000000..8a1473c93d --- /dev/null +++ b/debian/patches-rt/0100-printk-Add-sparse-notation-to-console_srcu-locking.patch @@ -0,0 +1,36 @@ +From: John Ogness <john.ogness@linutronix.de> +Date: Mon, 9 Oct 2023 13:55:19 +0000 +Subject: [PATCH 100/134] printk: Add sparse notation to console_srcu locking +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz + +kernel/printk/printk.c:284:5: sparse: sparse: context imbalance in +'console_srcu_read_lock' - wrong count at exit +include/linux/srcu.h:301:9: sparse: sparse: context imbalance in +'console_srcu_read_unlock' - unexpected unlock + +Reported-by: kernel test robot <lkp@intel.com> +Fixes: 6c4afa79147e ("printk: Prepare for SRCU console list protection") +Signed-off-by: John Ogness <john.ogness@linutronix.de> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + kernel/printk/printk.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/kernel/printk/printk.c ++++ b/kernel/printk/printk.c +@@ -282,6 +282,7 @@ EXPORT_SYMBOL(console_list_unlock); + * Return: A cookie to pass to console_srcu_read_unlock(). + */ + int console_srcu_read_lock(void) ++ __acquires(&console_srcu) + { + return srcu_read_lock_nmisafe(&console_srcu); + } +@@ -295,6 +296,7 @@ EXPORT_SYMBOL(console_srcu_read_lock); + * Counterpart to console_srcu_read_lock() + */ + void console_srcu_read_unlock(int cookie) ++ __releases(&console_srcu) + { + srcu_read_unlock_nmisafe(&console_srcu, cookie); + } |