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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-01-15 12:09:44 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-01-15 12:09:44 -0800
commit762f99f4f3cb41a775b5157dd761217beba65873 (patch)
tree2e93410a577dfff1202ea5b0d109460b97650e58 /include/uapi/linux/prctl.h
parentcf73ed894ee939d6706d65e0cd186e4a64e3af6d (diff)
parentb6e43dddaea3dbfa93327f986beb3ec5e8157c4c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.17 merge window.
Diffstat (limited to 'include/uapi/linux/prctl.h')
-rw-r--r--include/uapi/linux/prctl.h20
1 files changed, 15 insertions, 5 deletions
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index 18a9f59dc067..43bd7f713c39 100644
--- a/include/uapi/linux/prctl.h
+++ b/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
@@ -259,4 +261,12 @@ struct prctl_mm_map {
#define PR_PAC_SET_ENABLED_KEYS 60
#define PR_PAC_GET_ENABLED_KEYS 61
+/* Request the scheduler to share a core */
+#define PR_SCHED_CORE 62
+# define PR_SCHED_CORE_GET 0
+# define PR_SCHED_CORE_CREATE 1 /* create unique core_sched cookie */
+# define PR_SCHED_CORE_SHARE_TO 2 /* push core_sched cookie to pid */
+# define PR_SCHED_CORE_SHARE_FROM 3 /* pull core_sched cookie to pid */
+# define PR_SCHED_CORE_MAX 4
+
#endif /* _LINUX_PRCTL_H */