[xen staging] x86/boot: clarify comment about trampoline_setup usage

[patchbot@xxxxxxx]

commit ca6080f290d2e83715884b60d1233cd5b4e68ca0
Author:     Roger Pau Monne <roger.pau@xxxxxxxxxx>
AuthorDate: Tue Mar 4 15:28:11 2025 +0100
Commit:     Roger Pau Monne <roger.pau@xxxxxxxxxx>
CommitDate: Thu Mar 20 12:28:30 2025 +0100

    x86/boot: clarify comment about trampoline_setup usage
    
    Clarify that trampoline_setup is only used for EFI when booted using the
    multiboot2 entry point.
    
    Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/boot/head.S | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/xen/arch/x86/boot/head.S b/xen/arch/x86/boot/head.S
index 1b3bd16fe5..81473578fe 100644
--- a/xen/arch/x86/boot/head.S
+++ b/xen/arch/x86/boot/head.S
@@ -504,9 +504,7 @@ trampoline_bios_setup:
         mov     %ecx,sym_esi(trampoline_phys)
 
 trampoline_setup:
-        /*
-         * Called on legacy BIOS and EFI platforms.
-         */
+        /* Called for Mutiboot entry, including MB2+EFI. */
 
         /* Save Xen image load base address for later use. */
         mov     %esi, sym_esi(xen_phys_start)
--
generated by git-patchbot for /home/xen/git/xen.git#staging