git: 0f492f79084f - main - loader.kboot: smbios: Add a comment about v3 entry point being favored

The branch main has been updated by olce:

URL: https://cgit.FreeBSD.org/src/commit/?id=0f492f79084f2f88c9d5ade92f900e26cc47a7d0

commit 0f492f79084f2f88c9d5ade92f900e26cc47a7d0
Author:     Olivier Certner <olce@FreeBSD.org>
AuthorDate: 2025-03-05 10:47:53 +0000
Commit:     Olivier Certner <olce@FreeBSD.org>
CommitDate: 2025-03-11 13:54:11 +0000

    loader.kboot: smbios: Add a comment about v3 entry point being favored
    
    Note that the behavior here is consistent with BIOS and EFI boot.
    
    Reviewed by:    imp, markj
    MFC after:      2 weeks
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D49293
---
 stand/kboot/kboot/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/stand/kboot/kboot/main.c b/stand/kboot/kboot/main.c
index a9ea2d9354c9..65f7b77f1ace 100644
--- a/stand/kboot/kboot/main.c
+++ b/stand/kboot/kboot/main.c
@@ -261,6 +261,10 @@ kboot_find_smbios(void)
 	ep = buffer + strlen(buffer);
 	walker = buffer;
 	while (walker <= ep) {
+		/*
+		 * Linux outputs the v3 table first if present, so we will
+		 * choose it in priority.
+		 */
 		if (strncmp("SMBIOS3=", walker, 8) == 0)
 			return((vm_offset_t)strtoull(walker + 8, NULL, 0));
 		if (strncmp("SMBIOS=", walker, 7) == 0)