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authorWill Deacon <will.deacon@arm.com>2019-02-25 13:22:17 +0000
committerWill Deacon <will.deacon@arm.com>2019-04-09 11:21:12 +0100
commitcb764a69fa41179fb222b53b1a33a9d7373f9249 (patch)
tree17b4a82db371d85dcc88bc62ab9355eadc44df4f /arch/arm64
parent5a9132add862f446d5f0d7fa7468887108b5898a (diff)
downloadlwn-cb764a69fa41179fb222b53b1a33a9d7373f9249.tar.gz
lwn-cb764a69fa41179fb222b53b1a33a9d7373f9249.zip
arm64: debug: Remove meaningless comment
The comment next to the definition of our 'break_hook' list head is at best wrong but mainly just meaningless. Rip it out. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kernel/debug-monitors.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index c4c263d0cf0f..744229d10ca8 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -264,11 +264,6 @@ static int single_step_handler(unsigned long unused, unsigned int esr,
}
NOKPROBE_SYMBOL(single_step_handler);
-/*
- * Breakpoint handler is re-entrant as another breakpoint can
- * hit within breakpoint handler, especically in kprobes.
- * Use reader/writer locks instead of plain spinlock.
- */
static LIST_HEAD(break_hook);
static DEFINE_SPINLOCK(break_hook_lock);