diff options
Diffstat (limited to 'debian/patches-rt/0320-Revert-printk-declare-printk_deferred_-enter-safe-in.patch')
| -rw-r--r-- | debian/patches-rt/0320-Revert-printk-declare-printk_deferred_-enter-safe-in.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/debian/patches-rt/0320-Revert-printk-declare-printk_deferred_-enter-safe-in.patch b/debian/patches-rt/0320-Revert-printk-declare-printk_deferred_-enter-safe-in.patch new file mode 100644 index 000000000..b52e5aa42 --- /dev/null +++ b/debian/patches-rt/0320-Revert-printk-declare-printk_deferred_-enter-safe-in.patch @@ -0,0 +1,53 @@ +From f59d43768ad6d22235cbc9ec14f6307867aefefe Mon Sep 17 00:00:00 2001 +From: "Luis Claudio R. Goncalves" <lgoncalv@redhat.com> +Date: Thu, 8 Jun 2023 19:47:25 -0300 +Subject: [PATCH 320/323] Revert "printk: declare + printk_deferred_{enter,safe}() in include/linux/printk.h" +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz + +This reverts commit 32232bcd4e5300e678718d5c29da4dfa07ade01e. + +The support for deferred printing was removed in v5.10-rc1-rt1 by commit +9153e3c5cb0c9 ("printk: remove deferred printing") because: + + Since printing occurs either atomically or from the printing + kthread, there is no need for any deferring or tracking possible + recursion paths. Remove all printk context tracking. + +Fixes: 32232bcd4e530 ("printk: declare printk_deferred_{enter,safe}() in include/linux/printk.h") +Signed-off-by: Luis Claudio R. Goncalves <lgoncalv@redhat.com> +--- + include/linux/printk.h | 19 ------------------- + 1 file changed, 19 deletions(-) + +diff --git a/include/linux/printk.h b/include/linux/printk.h +index 83c7734e9802..7e4352467d83 100644 +--- a/include/linux/printk.h ++++ b/include/linux/printk.h +@@ -609,23 +609,4 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type, + #define print_hex_dump_bytes(prefix_str, prefix_type, buf, len) \ + print_hex_dump_debug(prefix_str, prefix_type, 16, 1, buf, len, true) + +-#ifdef CONFIG_PRINTK +-extern void __printk_safe_enter(void); +-extern void __printk_safe_exit(void); +-/* +- * The printk_deferred_enter/exit macros are available only as a hack for +- * some code paths that need to defer all printk console printing. Interrupts +- * must be disabled for the deferred duration. +- */ +-#define printk_deferred_enter __printk_safe_enter +-#define printk_deferred_exit __printk_safe_exit +-#else +-static inline void printk_deferred_enter(void) +-{ +-} +-static inline void printk_deferred_exit(void) +-{ +-} +-#endif +- + #endif +-- +2.43.0 + |