Merge tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:
 "Fixes to tool and kunit core and new features to both to support JUnit
  XML (primitive) and backtrace suppression API:
   - Core support for suppressing warning backtraces
   - Parse and print the reason tests are skipped
   - Add (primitive) support for outputting JUnit XML
   - Don't write to stdout when it should be disabled
   - Add backtrace suppression self-tests
   - Suppress intentional warning backtraces in scaling unit tests
   - Add documentation for warning backtrace suppression API
   - Fix spelling mistakes in comments and messages
   - gen_compile_commands: Ignore libgcc.a
   - qemu_configs: Add or1k / openrisc configuration"

* tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit:tool: Don't write to stdout when it should be disabled
  kunit: tool: Add (primitive) support for outputting JUnit XML
  kunit: tool: Parse and print the reason tests are skipped
  kunit: Add documentation for warning backtrace suppression API
  drm: Suppress intentional warning backtraces in scaling unit tests
  kunit: Add backtrace suppression self-tests
  bug/kunit: Core support for suppressing warning backtraces
  kunit: Fix spelling mistakes in comments and messages
  kunit: qemu_configs: Add or1k / openrisc configuration
  gen_compile_commands: Ignore libgcc.a

1 files changed, 11 insertions, 0 deletions

diff --git a/kernel/panic.c b/kernel/panic.c
index 20feada5319d..213725b612aa 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -39,6 +39,7 @@
 #include <linux/sys_info.h>
 #include <trace/events/error_report.h>
 #include <asm/sections.h>
+#include <kunit/test-bug.h>
 
 #define PANIC_TIMER_STEP 100
 #define PANIC_BLINK_SPD 18
@@ -1124,6 +1125,11 @@ void warn_slowpath_fmt(const char *file, int line, unsigned taint,
 	bool rcu = warn_rcu_enter();
 	struct warn_args args;
 
+	if (kunit_is_suppressed_warning(true)) {
+		warn_rcu_exit(rcu);
+		return;
+	}
+
 	pr_warn(CUT_HERE);
 
 	if (!fmt) {
@@ -1146,6 +1152,11 @@ void __warn_printk(const char *fmt, ...)
 	bool rcu = warn_rcu_enter();
 	va_list args;
 
+	if (kunit_is_suppressed_warning(false)) {
+		warn_rcu_exit(rcu);
+		return;
+	}
+
 	pr_warn(CUT_HERE);
 
 	va_start(args, fmt);