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From: Daniel Kiper <daniel.kiper@oracle.com>
To: xen-devel@lists.xenproject.org
Cc: jgross@suse.com, sstabellini@kernel.org,
	andrew.cooper3@citrix.com, cardoe@cardoe.com,
	pgnet.dev@gmail.com, ning.sun@intel.com, david.vrabel@citrix.com,
	jbeulich@suse.com, qiaowei.ren@intel.com, gang.wei@intel.com,
	fu.wei@linaro.org
Subject: [PATCH v6 12/15] x86/setup: use XEN_IMG_OFFSET instead of...
Date: Mon, 12 Sep 2016 22:18:27 +0200	[thread overview]
Message-ID: <1473711511-11931-13-git-send-email-daniel.kiper@oracle.com> (raw)
In-Reply-To: <1473711511-11931-1-git-send-email-daniel.kiper@oracle.com>

..calculating its value during runtime.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
---
 xen/arch/x86/setup.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index f19af6e..ca1a97a 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -901,7 +901,6 @@ void __init noreturn __start_xen(unsigned long mbi_p)
             l4_pgentry_t *pl4e;
             l3_pgentry_t *pl3e;
             l2_pgentry_t *pl2e;
-            uint64_t load_start;
             int i, j, k;
 
             /* Select relocation address. */
@@ -915,9 +914,8 @@ void __init noreturn __start_xen(unsigned long mbi_p)
              * with a barrier(). After this we must *not* modify static/global
              * data until after we have switched to the relocated pagetables!
              */
-            load_start = (unsigned long)_start - XEN_VIRT_START;
             barrier();
-            move_memory(e + load_start, load_start, _end - _start, 1);
+            move_memory(e + XEN_IMG_OFFSET, XEN_IMG_OFFSET, _end - _start, 1);
 
             /* Walk initial pagetables, relocating page directory entries. */
             pl4e = __va(__pa(idle_pg_table));
-- 
1.7.10.4


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  parent reply	other threads:[~2016-09-12 20:21 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-12 20:18 [PATCH v6 00/15] x86: multiboot2 protocol support Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 01/15] x86: properly calculate ELF end of image address Daniel Kiper
2016-09-16 20:43   ` Konrad Rzeszutek Wilk
2016-09-19 11:14     ` Jan Beulich
2016-09-19 13:56       ` Daniel Kiper
2016-09-19 14:52         ` Jan Beulich
2016-09-20 11:43           ` Daniel Kiper
2016-09-20 13:28             ` Jan Beulich
2016-09-20 18:00           ` Daniel Kiper
2016-09-21  9:37             ` Jan Beulich
2016-09-22 11:45               ` Daniel Kiper
2016-09-22 12:02                 ` Jan Beulich
2016-09-19 11:18     ` Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 02/15] x86/boot/reloc: create generic alloc and copy functions Daniel Kiper
2016-09-19 11:23   ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 03/15] x86/boot/reloc: rename some variables and rearrange code a bit Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 04/15] x86: add multiboot2 protocol support Daniel Kiper
2016-09-19 11:42   ` Jan Beulich
2016-09-21  8:56     ` Daniel Kiper
2016-09-21  9:41       ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 05/15] efi: create efi_enabled() Daniel Kiper
2016-09-19 11:58   ` Jan Beulich
2016-09-19 14:27     ` Daniel Kiper
2016-09-19 14:31       ` Wei Liu
2016-09-19 14:57       ` Jan Beulich
2016-09-19 15:38         ` Daniel Kiper
2016-09-19 16:00           ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 06/15] x86: allow EFI reboot method neither on EFI platforms Daniel Kiper
2016-09-19 12:01   ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 07/15] efi: build xen.gz with EFI code Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 08/15] x86/efi: create new early memory allocator Daniel Kiper
2016-09-19 12:12   ` Jan Beulich
2016-09-19 15:04     ` Daniel Kiper
2016-09-19 15:17       ` Jan Beulich
2016-09-20  9:45         ` Daniel Kiper
2016-09-20  9:57           ` Jan Beulich
2016-09-20 10:52             ` Daniel Kiper
2016-09-20 13:46               ` Jan Beulich
2016-09-20 18:45                 ` Daniel Kiper
2016-09-21  9:42                   ` Jan Beulich
2016-09-22 10:52                     ` Daniel Kiper
2016-09-22 11:25                       ` Jan Beulich
2016-09-22 12:07                         ` Daniel Kiper
2016-09-22 13:12                           ` Jan Beulich
2016-09-22 17:07                           ` Julien Grall
2016-09-23 10:50                             ` Daniel Kiper
2016-09-23 11:07                               ` Julien Grall
2016-09-23 11:35                                 ` Daniel Kiper
2016-09-23 11:42                                   ` Julien Grall
2016-09-23 11:53                                     ` Daniel Kiper
2016-09-23 14:10                                   ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 09/15] x86: add multiboot2 protocol support for EFI platforms Daniel Kiper
2016-09-19 12:29   ` Jan Beulich
2016-09-19 15:18     ` Daniel Kiper
2016-09-19 15:28       ` Jan Beulich
2016-09-12 20:18 ` [PATCH v6 10/15] x86/boot: implement early command line parser in C Daniel Kiper
2016-09-19 12:47   ` Jan Beulich
2016-09-19 15:27     ` Daniel Kiper
2016-09-19 16:03       ` Jan Beulich
2016-09-20  9:49         ` Daniel Kiper
2016-09-20 10:05           ` Jan Beulich
2016-09-20 11:31             ` Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 11/15] x86: change default load address from 1 MiB to 2 MiB Daniel Kiper
2016-09-19 12:54   ` Jan Beulich
2016-09-12 20:18 ` Daniel Kiper [this message]
2016-09-19 13:00   ` [PATCH v6 12/15] x86/setup: use XEN_IMG_OFFSET instead of Jan Beulich
2016-09-12 20:18 ` [PATCH v6 13/15] x86: make Xen early boot code relocatable Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 14/15] x86/boot: rename sym_phys() to sym_offs() Daniel Kiper
2016-09-12 20:18 ` [PATCH v6 15/15] x86: add multiboot2 protocol support for relocatable images Daniel Kiper

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