[Xen-devel] [PATCH v2 3/7] xen: Take into account new frame table address since Xen 4.3

[Daniel Kiper <daniel.kiper@xxxxxxxxxx>]

Since Xen commit a8d2b06db7826063df9d04be9d6f928bf2189bd0
(x86: extend frame table virtual space) frame table has
new address. Take into account that thing.

Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
---
 arch/x86_64.c  |   11 +++++++++--
 makedumpfile.h |   21 +++++++++++----------
 2 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/arch/x86_64.c b/arch/x86_64.c
index d864a06..771d457 100644
--- a/arch/x86_64.c
+++ b/arch/x86_64.c
@@ -401,8 +401,15 @@ int get_xen_basic_info_x86_64(void)
                        return FALSE;
                }
                info->frame_table_vaddr = frame_table_vaddr;
-       } else
-               info->frame_table_vaddr = FRAMETABLE_VIRT_START;
+       } else {
+               if (info->xen_crash_info.com &&
+                   ((info->xen_crash_info.com->xen_major_version == 4 &&
+                     info->xen_crash_info.com->xen_minor_version >= 3) ||
+                     info->xen_crash_info.com->xen_major_version > 4))
+                       info->frame_table_vaddr = FRAMETABLE_VIRT_START_V4_3;
+               else
+                       info->frame_table_vaddr = FRAMETABLE_VIRT_START_V3;
+       }
 
        if (!info->xen_crash_info.com ||
            info->xen_crash_info.com->xen_major_version < 4) {
diff --git a/makedumpfile.h b/makedumpfile.h
index 1a87500..1789a11 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -1466,16 +1466,17 @@ int get_xen_info_x86(void);
 #define ENTRY_MASK             (~0xfff0000000000fffULL)
 #define MAX_X86_64_FRAMES      (info->page_size / sizeof(unsigned long))
 
-#define PAGE_OFFSET_XEN_DOM0  (0xffff880000000000) /* different from linux */
-#define HYPERVISOR_VIRT_START (0xffff800000000000)
-#define HYPERVISOR_VIRT_END   (0xffff880000000000)
-#define DIRECTMAP_VIRT_START  (0xffff830000000000)
-#define DIRECTMAP_VIRT_END_V3 (0xffff840000000000)
-#define DIRECTMAP_VIRT_END_V4 (0xffff880000000000)
-#define DIRECTMAP_VIRT_END    (info->directmap_virt_end)
-#define XEN_VIRT_START        (info->xen_virt_start)
-#define XEN_VIRT_END          (XEN_VIRT_START + (1UL << 30))
-#define FRAMETABLE_VIRT_START 0xffff82f600000000
+#define PAGE_OFFSET_XEN_DOM0           (0xffff880000000000) /* different from 
linux */
+#define HYPERVISOR_VIRT_START          (0xffff800000000000)
+#define HYPERVISOR_VIRT_END            (0xffff880000000000)
+#define DIRECTMAP_VIRT_START           (0xffff830000000000)
+#define DIRECTMAP_VIRT_END_V3          (0xffff840000000000)
+#define DIRECTMAP_VIRT_END_V4          (0xffff880000000000)
+#define DIRECTMAP_VIRT_END             (info->directmap_virt_end)
+#define XEN_VIRT_START                 (info->xen_virt_start)
+#define XEN_VIRT_END                   (XEN_VIRT_START + (1UL << 30))
+#define FRAMETABLE_VIRT_START_V3       0xffff82f600000000
+#define FRAMETABLE_VIRT_START_V4_3     0xffff82e000000000
 
 #define is_xen_vaddr(x) \
        ((x) >= HYPERVISOR_VIRT_START && (x) < HYPERVISOR_VIRT_END)
-- 
1.7.10.4


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