Commit-ID: bff9504bfc9c5c6610b42d47f689f350fd969eb8 Gitweb: https://git.kernel.org/tip/bff9504bfc9c5c6610b42d47f689f350fd969eb8 Author: Mathieu Desnoyers <[email protected]> AuthorDate: Tue, 5 Mar 2019 14:47:53 -0500 Committer: Ingo Molnar <[email protected]> CommitDate: Fri, 19 Apr 2019 12:39:31 +0200
rseq: Clean up comments by reflecting removal of event counter The "event counter" was removed from rseq before it was merged upstream. However, a few comments in the source code still refer to it. Adapt the comments to match reality. Signed-off-by: Mathieu Desnoyers <[email protected]> Acked-by: Peter Zijlstra (Intel) <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Ben Maurer <[email protected]> Cc: Boqun Feng <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Chris Lameter <[email protected]> Cc: Dave Watson <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Joel Fernandes <[email protected]> Cc: Josh Triplett <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Michael Kerrisk <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Paul Turner <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Russell King <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/arm/kernel/signal.c | 3 +-- arch/x86/kernel/signal.c | 5 +---- kernel/rseq.c | 3 +-- 3 files changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 76bb8de6bf6b..be5edfdde558 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -549,8 +549,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) int ret; /* - * Increment event counter and perform fixup for the pre-signal - * frame. + * Perform fixup for the pre-signal frame. */ rseq_signal_deliver(ksig, regs); diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 08dfd4c1a4f9..22c233b509da 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -688,10 +688,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) sigset_t *set = sigmask_to_save(); compat_sigset_t *cset = (compat_sigset_t *) set; - /* - * Increment event counter and perform fixup for the pre-signal - * frame. - */ + /* Perform fixup for the pre-signal frame. */ rseq_signal_deliver(ksig, regs); /* Set up the stack frame */ diff --git a/kernel/rseq.c b/kernel/rseq.c index 25e9a7b60eba..849afe749131 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -254,8 +254,7 @@ static int rseq_ip_fixup(struct pt_regs *regs) * - signal delivery, * and return to user-space. * - * This is how we can ensure that the entire rseq critical section, - * consisting of both the C part and the assembly instruction sequence, + * This is how we can ensure that the entire rseq critical section * will issue the commit instruction only if executed atomically with * respect to other threads scheduled on the same CPU, and with respect * to signal handlers.
