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See http://www.infradead.org/rpr.html Subject: [Xen-devel] [RFC PATCH 1/3] x86/setup: Don't skip 2MiB underneath relocated Xen image X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , paul@xen.org, Ian Jackson , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: David Woodhouse Set 'e' correctly to reflect the location that Xen is actually relocated to from its default 2MiB location. Not 2MiB below that. Signed-off-by: David Woodhouse --- xen/arch/x86/setup.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 501f3f5e4b..47e065e5fe 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -1077,9 +1077,9 @@ void __init noreturn __start_xen(unsigned long mbi_p) unsigned long pte_update_limit; =20 /* Select relocation address. */ - e =3D end - reloc_size; - xen_phys_start =3D e; - bootsym(trampoline_xen_phys_start) =3D e; + xen_phys_start =3D end - reloc_size; + e =3D xen_phys_start + XEN_IMG_OFFSET; + bootsym(trampoline_xen_phys_start) =3D xen_phys_start; =20 /* * No PTEs pointing above this address are candidates for relo= cation. @@ -1096,7 +1096,7 @@ void __init noreturn __start_xen(unsigned long mbi_p) * data until after we have switched to the relocated pagetabl= es! */ barrier(); - move_memory(e + XEN_IMG_OFFSET, XEN_IMG_OFFSET, _end - _start,= 1); + move_memory(e, XEN_IMG_OFFSET, _end - _start, 1); =20 /* Walk initial pagetables, relocating page directory entries.= */ pl4e =3D __va(__pa(idle_pg_table)); --=20 2.21.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel