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From 26e8c3574944585f9f02a92b03a6e7097dd3a7dd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Wed, 13 Dec 2017 13:38:53 +0100
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Subject: [PATCH 22/41] dump: allow target to set the physical base
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-id: <20171213133912.26176-23-marcandre.lureau@redhat.com>
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Patchwork-id: 78371
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O-Subject: [RHEL-7.5 qemu-kvm PATCH v3 22/41] dump: allow target to set the physical base
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Bugzilla: 1411490
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Andrew Jones <drjones@redhat.com>
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crash assumes the physical base in the kdump subheader of
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makedumpfile formatted dumps is correct. Zero is not correct
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for all architectures, so allow it to be changed.
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(No functional change.)
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Signed-off-by: Andrew Jones <drjones@redhat.com>
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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Message-id: 1452542185-10914-5-git-send-email-drjones@redhat.com
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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(cherry picked from commit b6e05aa473b52e049654fae834453232e6b6e798)
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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dump.c | 4 ++--
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include/sysemu/dump-arch.h | 1 +
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include/sysemu/dump.h | 1 -
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3 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/dump.c b/dump.c
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index b5d6608..a359c29 100644
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--- a/dump.c
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+++ b/dump.c
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@@ -780,7 +780,7 @@ static void create_header32(DumpState *s, Error **errp)
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/* 64bit max_mapnr_64 */
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kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
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- kh->phys_base = cpu_to_dump32(s, PHYS_BASE);
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+ kh->phys_base = cpu_to_dump32(s, s->dump_info.phys_base);
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kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
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offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;
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@@ -880,7 +880,7 @@ static void create_header64(DumpState *s, Error **errp)
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/* 64bit max_mapnr_64 */
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kh->max_mapnr_64 = cpu_to_dump64(s, s->max_mapnr);
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- kh->phys_base = cpu_to_dump64(s, PHYS_BASE);
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+ kh->phys_base = cpu_to_dump64(s, s->dump_info.phys_base);
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kh->dump_level = cpu_to_dump32(s, DUMP_LEVEL);
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offset_note = DISKDUMP_HEADER_BLOCKS * block_size + size;
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diff --git a/include/sysemu/dump-arch.h b/include/sysemu/dump-arch.h
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index 4335839..e25b02e 100644
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--- a/include/sysemu/dump-arch.h
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+++ b/include/sysemu/dump-arch.h
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@@ -20,6 +20,7 @@ typedef struct ArchDumpInfo {
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int d_class; /* ELFCLASS32 or ELFCLASS64 */
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uint32_t page_size; /* The target's page size. If it's variable and
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* unknown, then this should be the maximum. */
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+ uint64_t phys_base; /* The target's physmem base. */
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} ArchDumpInfo;
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struct GuestPhysBlockList; /* memory_mapping.h */
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diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h
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index 16cbd8d..2f04b24 100644
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--- a/include/sysemu/dump.h
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+++ b/include/sysemu/dump.h
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@@ -33,7 +33,6 @@
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#define KDUMP_SIGNATURE "KDUMP "
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#define SIG_LEN (sizeof(KDUMP_SIGNATURE) - 1)
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-#define PHYS_BASE (0)
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#define DUMP_LEVEL (1)
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#define DISKDUMP_HEADER_BLOCKS (1)
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--
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1.8.3.1
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