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| author | Peter Zijlstra <peterz@infradead.org> | 2021-05-06 21:33:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-05-12 14:54:55 +0200 |
| commit | fa5e5dc39669b4427830c546ede8709323b8276c (patch) | |
| tree | 9277ff40e9c2908a6a78b8e887c0740cc5a86251 /kernel/jump_label.c | |
| parent | f9510fa9caaf8229381d5f86ba0774bf1a6ca39b (diff) | |
| download | linux-fa5e5dc39669b4427830c546ede8709323b8276c.tar.gz linux-fa5e5dc39669b4427830c546ede8709323b8276c.tar.bz2 linux-fa5e5dc39669b4427830c546ede8709323b8276c.zip | |
jump_label, x86: Introduce jump_entry_size()
This allows architectures to have variable sized jumps.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210506194157.786777050@infradead.org
Diffstat (limited to 'kernel/jump_label.c')
| -rw-r--r-- | kernel/jump_label.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c index ba39fbb1f8e7..521cafcfcb69 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -309,7 +309,7 @@ EXPORT_SYMBOL_GPL(jump_label_rate_limit); static int addr_conflict(struct jump_entry *entry, void *start, void *end) { if (jump_entry_code(entry) <= (unsigned long)end && - jump_entry_code(entry) + JUMP_LABEL_NOP_SIZE > (unsigned long)start) + jump_entry_code(entry) + jump_entry_size(entry) > (unsigned long)start) return 1; return 0; |