summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2021-02-11 12:50:52 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-09-10 18:15:22 -0300
commit2c3ef25c4a60cc18cf3f05a74c78220748f25684 (patch)
treee7d02c2a4eb7c494d77c17515de51a93918e5a7a /tools
parentf9f018e4d9a45a5464861418467b21d3d2ad569c (diff)
downloadlinux-stable-2c3ef25c4a60cc18cf3f05a74c78220748f25684.tar.gz
linux-stable-2c3ef25c4a60cc18cf3f05a74c78220748f25684.tar.bz2
linux-stable-2c3ef25c4a60cc18cf3f05a74c78220748f25684.zip
tools headers UAPI: Sync linux/prctl.h with the kernel sources
To pick the changes in: 433c38f40f6a81cf ("arm64: mte: change ASYNC and SYNC TCF settings into bitfields") e893bb1bb4d2eb63 ("x86, prctl: Hook L1D flushing in via prctl") That don't result in any changes in tooling: $ tools/perf/trace/beauty/prctl_option.sh > before $ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h $ tools/perf/trace/beauty/prctl_option.sh > after $ diff -u before after $ Just silences this perf tools build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h' diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h Cc: Balbir Singh <sblbir@amazon.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/include/uapi/linux/prctl.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index 967d9c55323d..43bd7f713c39 100644
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -213,6 +213,7 @@ struct prctl_mm_map {
/* Speculation control variants */
# define PR_SPEC_STORE_BYPASS 0
# define PR_SPEC_INDIRECT_BRANCH 1
+# define PR_SPEC_L1D_FLUSH 2
/* Return and control values for PR_SET/GET_SPECULATION_CTRL */
# define PR_SPEC_NOT_AFFECTED 0
# define PR_SPEC_PRCTL (1UL << 0)
@@ -234,14 +235,15 @@ struct prctl_mm_map {
#define PR_GET_TAGGED_ADDR_CTRL 56
# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
/* MTE tag check fault modes */
-# define PR_MTE_TCF_SHIFT 1
-# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_NONE 0
+# define PR_MTE_TCF_SYNC (1UL << 1)
+# define PR_MTE_TCF_ASYNC (1UL << 2)
+# define PR_MTE_TCF_MASK (PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC)
/* MTE tag inclusion mask */
# define PR_MTE_TAG_SHIFT 3
# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
+/* Unused; kept only for source compatibility */
+# define PR_MTE_TCF_SHIFT 1
/* Control reclaim behavior when allocating memory */
#define PR_SET_IO_FLUSHER 57