git: 74fbc6bc6c33 - stable/15 - linuxkpi: Add get_unaligned_le64()

The branch stable/15 has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=74fbc6bc6c330ec6bf04e4b8ca5329767734bd6e

commit 74fbc6bc6c330ec6bf04e4b8ca5329767734bd6e
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2025-09-15 21:40:31 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2026-04-22 20:56:55 +0000

    linuxkpi: Add get_unaligned_le64()
    
    This function was the only one missing in the `get_unaligned_*()`
    family. This is going to be used by the imported `linux_siphash.c` in a
    future commit, which itself is used by DRM drivers starting from Linux
    6.10.
    
    Reviewed by:    bz
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D54500
    
    (cherry picked from commit 15f29e1e1978bbc4ed24975ad3666596281076fc)
---
 sys/compat/linuxkpi/common/include/asm/unaligned.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/asm/unaligned.h b/sys/compat/linuxkpi/common/include/asm/unaligned.h
index e45846a3b543..6778e9fcede1 100644
--- a/sys/compat/linuxkpi/common/include/asm/unaligned.h
+++ b/sys/compat/linuxkpi/common/include/asm/unaligned.h
@@ -48,6 +48,13 @@ get_unaligned_le32(const void *p)
 	return (le32_to_cpup((const __le32 *)p));
 }
 
+static __inline uint64_t
+get_unaligned_le64(const void *p)
+{
+
+	return (le64_to_cpup((const __le64 *)p));
+}
+
 static __inline void
 put_unaligned_le16(__le16 v, void *p)
 {