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authorGabriel Krisman Bertazi <krisman@collabora.com>2020-11-16 20:42:01 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-11-16 23:53:15 +0300
commit524666cb5de7c38a1925e7401a6e59d68682dd8c (patch)
tree7e2ce85286288e28520bc8d3b235128da192e5bc /kernel/tracepoint.c
parent23d67a54857a768acdb0804cdd6037c324a50ecd (diff)
downloadlinux-524666cb5de7c38a1925e7401a6e59d68682dd8c.tar.xz
tracepoints: Migrate to use SYSCALL_WORK flag
On architectures using the generic syscall entry code the architecture independent syscall work is moved to flags in thread_info::syscall_work. This removes architecture dependencies and frees up TIF bits. Define SYSCALL_WORK_SYSCALL_TRACEPOINT, use it in the generic entry code and convert the code which uses the TIF specific helper functions to use the new *_syscall_work() helpers which either resolve to the new mode for users of the generic entry code or to the TIF based functions for the other architectures. Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Andy Lutomirski <luto@kernel.org> Link: https://lore.kernel.org/r/20201116174206.2639648-6-krisman@collabora.com
Diffstat (limited to 'kernel/tracepoint.c')
-rw-r--r--kernel/tracepoint.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 3f659f855074..7261fa0f5e3c 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -594,7 +594,7 @@ int syscall_regfunc(void)
if (!sys_tracepoint_refcount) {
read_lock(&tasklist_lock);
for_each_process_thread(p, t) {
- set_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
+ set_task_syscall_work(t, SYSCALL_TRACEPOINT);
}
read_unlock(&tasklist_lock);
}
@@ -611,7 +611,7 @@ void syscall_unregfunc(void)
if (!sys_tracepoint_refcount) {
read_lock(&tasklist_lock);
for_each_process_thread(p, t) {
- clear_tsk_thread_flag(t, TIF_SYSCALL_TRACEPOINT);
+ clear_task_syscall_work(t, SYSCALL_TRACEPOINT);
}
read_unlock(&tasklist_lock);
}