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| author | Ingo Molnar <mingo@kernel.org> | 2019-12-30 08:10:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-12-30 08:10:51 +0100 |
| commit | 28336be568bb473d16ba80db0801276fb4f1bbe5 (patch) | |
| tree | cf2d7a56e6c3ea08139d8d9a5a58b296bd172136 /kernel/trace/ring_buffer.c | |
| parent | kcsan: Improve various small stylistic details (diff) | |
| parent | Linux 5.5-rc4 (diff) | |
| download | linux-28336be568bb473d16ba80db0801276fb4f1bbe5.tar.xz linux-28336be568bb473d16ba80db0801276fb4f1bbe5.zip | |
Merge tag 'v5.5-rc4' into locking/kcsan, to resolve conflicts
Conflicts:
init/main.c
lib/Kconfig.debug
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 66358d66c933..3f655371eaf6 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -11,6 +11,7 @@ #include <linux/trace_seq.h> #include <linux/spinlock.h> #include <linux/irq_work.h> +#include <linux/security.h> #include <linux/uaccess.h> #include <linux/hardirq.h> #include <linux/kthread.h> /* for self test */ @@ -5068,6 +5069,11 @@ static __init int test_ringbuffer(void) int cpu; int ret = 0; + if (security_locked_down(LOCKDOWN_TRACEFS)) { + pr_warn("Lockdown is enabled, skipping ring buffer tests\n"); + return 0; + } + pr_info("Running ring buffer tests...\n"); buffer = ring_buffer_alloc(RB_TEST_BUFFER_SIZE, RB_FL_OVERWRITE); |