Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.18-rc4

Cross-merge BPF and other fixes after downstream PR.
No conflicts.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2 files changed, 16 insertions, 1 deletions

diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index 40ff19f52a8d..517489a7ec60 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -1013,6 +1013,20 @@ struct drm_xe_vm_destroy {
  *    valid on VMs with DRM_XE_VM_CREATE_FLAG_FAULT_MODE set. The CPU address
  *    mirror flag are only valid for DRM_XE_VM_BIND_OP_MAP operations, the BO
  *    handle MBZ, and the BO offset MBZ.
+ *  - %DRM_XE_VM_BIND_FLAG_MADVISE_AUTORESET - Can be used in combination with
+ *    %DRM_XE_VM_BIND_FLAG_CPU_ADDR_MIRROR to reset madvises when the underlying
+ *    CPU address space range is unmapped (typically with munmap(2) or brk(2)).
+ *    The madvise values set with &DRM_IOCTL_XE_MADVISE are reset to the values
+ *    that were present immediately after the &DRM_IOCTL_XE_VM_BIND.
+ *    The reset GPU virtual address range is the intersection of the range bound
+ *    using &DRM_IOCTL_XE_VM_BIND and the virtual CPU address space range
+ *    unmapped.
+ *    This functionality is present to mimic the behaviour of CPU address space
+ *    madvises set using madvise(2), which are typically reset on unmap.
+ *    Note: free(3) may or may not call munmap(2) and/or brk(2), and may thus
+ *    not invoke autoreset. Neither will stack variables going out of scope.
+ *    Therefore it's recommended to always explicitly reset the madvises when
+ *    freeing the memory backing a region used in a &DRM_IOCTL_XE_MADVISE call.
  *
  * The @prefetch_mem_region_instance for %DRM_XE_VM_BIND_OP_PREFETCH can also be:
  *  - %DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC, which ensures prefetching occurs in
@@ -1119,6 +1133,7 @@ struct drm_xe_vm_bind_op {
 #define DRM_XE_VM_BIND_FLAG_DUMPABLE	(1 << 3)
 #define DRM_XE_VM_BIND_FLAG_CHECK_PXP	(1 << 4)
 #define DRM_XE_VM_BIND_FLAG_CPU_ADDR_MIRROR	(1 << 5)
+#define DRM_XE_VM_BIND_FLAG_MADVISE_AUTORESET	(1 << 6)
 	/** @flags: Bind flags */
 	__u32 flags;
 
diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h
index cde8f173f566..22acaaec7b1c 100644
--- a/include/uapi/linux/fb.h
+++ b/include/uapi/linux/fb.h
@@ -319,7 +319,7 @@ enum {
 #define FB_VBLANK_HAVE_VCOUNT	0x020	/* the vcount field is valid */
 #define FB_VBLANK_HAVE_HCOUNT	0x040	/* the hcount field is valid */
 #define FB_VBLANK_VSYNCING	0x080	/* currently in a vsync */
-#define FB_VBLANK_HAVE_VSYNC	0x100	/* verical syncs can be detected */
+#define FB_VBLANK_HAVE_VSYNC	0x100	/* vertical syncs can be detected */
 
 struct fb_vblank {
 	__u32 flags;			/* FB_VBLANK flags */