diff options
Diffstat (limited to 'debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch')
| -rw-r--r-- | debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch b/debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch index 0ccb2d87c..497f896e7 100644 --- a/debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch +++ b/debian/patches-rt/zram-Replace-bit-spinlocks-with-spinlock_t-for-PREEM.patch @@ -1,7 +1,7 @@ From: Mike Galbraith <umgwanakikbuti@gmail.com> Date: Thu, 31 Mar 2016 04:08:28 +0200 Subject: [PATCH] zram: Replace bit spinlocks with spinlock_t for PREEMPT_RT. -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz The bit spinlock disables preemption. The spinlock_t lock becomes a sleeping lock on PREEMPT_RT and it can not be acquired in this context. In this locked @@ -72,7 +72,7 @@ Link: https://lore.kernel.org/20230323161830.jFbWCosd@linutronix.de static inline bool init_done(struct zram *zram) { -@@ -1245,6 +1281,7 @@ static bool zram_meta_alloc(struct zram +@@ -1241,6 +1277,7 @@ static bool zram_meta_alloc(struct zram if (!huge_class_size) huge_class_size = zs_huge_class_size(zram->mem_pool); @@ -89,6 +89,6 @@ Link: https://lore.kernel.org/20230323161830.jFbWCosd@linutronix.de +#ifdef CONFIG_PREEMPT_RT + spinlock_t lock; +#endif - #ifdef CONFIG_ZRAM_MEMORY_TRACKING + #ifdef CONFIG_ZRAM_TRACK_ENTRY_ACTIME ktime_t ac_time; #endif |