Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Juergen Gross <> | Subject | [PATCH 3/3] x86/xen: supply rsdp address in boot params for pvh guests | Date | Tue, 28 Nov 2017 10:44:00 +0100 |
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When booted via the special PVH entry save the RSDP address set in the boot information block in struct boot_params. This will enable Xen to locate the RSDP at an arbitrary address.
Signed-off-by: Juergen Gross <jgross@suse.com> --- arch/x86/xen/enlighten_pvh.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 436c4f003e17..0175194f4236 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -71,6 +71,8 @@ static void __init init_pvh_bootparams(void) */ pvh_bootparams.hdr.version = 0x212; pvh_bootparams.hdr.type_of_loader = (9 << 4) | 0; /* Xen loader */ + + pvh_bootparams.hdr.acpi_rsdp_addr = pvh_start_info.rsdp_paddr; } /* -- 2.12.3
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