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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2022-04-12 11:28:42 +0300
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2022-04-12 11:28:42 +0300
commitc16c8bfa09d5f318c1bd65698d058d3739970c24 (patch)
treea3ac5a1cad695c93d698cfff0b7629fd1a2ff79c /include/uapi/linux/rseq.h
parent8e7e5c077cd57ee9a36d58c65f07257dc49a88d5 (diff)
parentb85ffe47c4ec172214a38b7e7087c60582c488f0 (diff)
Merge drm/drm-next into drm-intel-gt-next
Pull in TTM changes needed for DG2 CCS enabling from Ram. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'include/uapi/linux/rseq.h')
-rw-r--r--include/uapi/linux/rseq.h20
1 files changed, 4 insertions, 16 deletions
diff --git a/include/uapi/linux/rseq.h b/include/uapi/linux/rseq.h
index 9a402fdb60e9..77ee207623a9 100644
--- a/include/uapi/linux/rseq.h
+++ b/include/uapi/linux/rseq.h
@@ -105,23 +105,11 @@ struct rseq {
* Read and set by the kernel. Set by user-space with single-copy
* atomicity semantics. This field should only be updated by the
* thread which registered this data structure. Aligned on 64-bit.
+ *
+ * 32-bit architectures should update the low order bits of the
+ * rseq_cs field, leaving the high order bits initialized to 0.
*/
- union {
- __u64 ptr64;
-#ifdef __LP64__
- __u64 ptr;
-#else
- struct {
-#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) || defined(__BIG_ENDIAN)
- __u32 padding; /* Initialized to zero. */
- __u32 ptr32;
-#else /* LITTLE */
- __u32 ptr32;
- __u32 padding; /* Initialized to zero. */
-#endif /* ENDIAN */
- } ptr;
-#endif
- } rseq_cs;
+ __u64 rseq_cs;
/*
* Restartable sequences flags field.