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x86/PVH: don't truncate initrd address/size

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Consuming merely the lower halves of the provided values isn't very
useful. (While generally loaders try to place it below 4G, especially
when it's huge it may not fit there.)

Fixes: 7243b93345 ("xen/pvh: Bootstrap PVH guest")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Jason Andryuk <jason.andryuk@amd.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>

Message-ID: <9698d810-6664-4a9d-a847-18ad124261e0@suse.com>
This commit is contained in:
Jan Beulich 2026-10-08 11:48:35 +02:00 committed by Juergen Gross
parent 908019e599
commit fcc43d1d6b
1 changed files with 2 additions and 0 deletions
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2
arch/x86/platform/pvh/enlighten.c
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@ -78,7 +78,9 @@ static void __init init_pvh_bootparams(bool xen_guest)
struct hvm_modlist_entry *modaddr =
__va(pvh_start_info.modlist_paddr);
pvh_bootparams.hdr.ramdisk_image = modaddr->paddr;
pvh_bootparams.ext_ramdisk_image = modaddr->paddr >> 32;
pvh_bootparams.hdr.ramdisk_size = modaddr->size;
pvh_bootparams.ext_ramdisk_size = modaddr->size >> 32;
}
/*