[PATCH 11/14] tools headers: Sync uapi/linux/prctl.h with the kernel source

Namhyung Kim namhyung at kernel.org
Tue Aug 19 03:32:18 AEST 2025


To pick up the changes in this cset:

  b1fabef37bd504f3 prctl: Introduce PR_MTE_STORE_ONLY
  a2fc422ed75748ee syscall_user_dispatch: Add PR_SYS_DISPATCH_INCLUSIVE_ON

This addresses these perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/perf/trace/beauty/include/uapi/linux/prctl.h include/uapi/linux/prctl.h

Please see tools/include/uapi/README for further details.

Signed-off-by: Namhyung Kim <namhyung at kernel.org>
---
 tools/perf/trace/beauty/include/uapi/linux/prctl.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/perf/trace/beauty/include/uapi/linux/prctl.h b/tools/perf/trace/beauty/include/uapi/linux/prctl.h
index 3b93fb906e3c..ed3aed264aeb 100644
--- a/tools/perf/trace/beauty/include/uapi/linux/prctl.h
+++ b/tools/perf/trace/beauty/include/uapi/linux/prctl.h
@@ -244,6 +244,8 @@ struct prctl_mm_map {
 # define PR_MTE_TAG_MASK		(0xffffUL << PR_MTE_TAG_SHIFT)
 /* Unused; kept only for source compatibility */
 # define PR_MTE_TCF_SHIFT		1
+/* MTE tag check store only */
+# define PR_MTE_STORE_ONLY		(1UL << 19)
 /* RISC-V pointer masking tag length */
 # define PR_PMLEN_SHIFT			24
 # define PR_PMLEN_MASK			(0x7fUL << PR_PMLEN_SHIFT)
@@ -255,7 +257,12 @@ struct prctl_mm_map {
 /* Dispatch syscalls to a userspace handler */
 #define PR_SET_SYSCALL_USER_DISPATCH	59
 # define PR_SYS_DISPATCH_OFF		0
-# define PR_SYS_DISPATCH_ON		1
+/* Enable dispatch except for the specified range */
+# define PR_SYS_DISPATCH_EXCLUSIVE_ON	1
+/* Enable dispatch for the specified range */
+# define PR_SYS_DISPATCH_INCLUSIVE_ON	2
+/* Legacy name for backwards compatibility */
+# define PR_SYS_DISPATCH_ON		PR_SYS_DISPATCH_EXCLUSIVE_ON
 /* The control values for the user space selector when dispatch is enabled */
 # define SYSCALL_DISPATCH_FILTER_ALLOW	0
 # define SYSCALL_DISPATCH_FILTER_BLOCK	1
-- 
2.25.1




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