From 3925402f5dd7ae93010c48688eb64f880c794267 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Roger=20Pau=20Monn=C3=A9?= Date: Wed, 1 Apr 2020 12:36:57 +0200 Subject: [PATCH] x86/dom0: fix copy of low 1MB data for PVH MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The orders of start and end are inverted in order to calculate the size of the copy operation. Signed-off-by: Roger Pau Monné Reviewed-by: Jan Beulich --- xen/arch/x86/hvm/dom0_build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c index 2afd44c8a4..12a82c9d7c 100644 --- a/xen/arch/x86/hvm/dom0_build.c +++ b/xen/arch/x86/hvm/dom0_build.c @@ -463,7 +463,7 @@ static int __init pvh_populate_p2m(struct domain *d) enum hvm_translation_result res = hvm_copy_to_guest_phys(mfn_to_maddr(_mfn(addr)), mfn_to_virt(addr), - d->arch.e820[i].addr - end, + end - d->arch.e820[i].addr, v); if ( res != HVMTRANS_okay ) -- 2.30.2