From acd61976255b41154834ec46b827468f75a742c4 Mon Sep 17 00:00:00 2001 Message-Id: In-Reply-To: References: From: Luiz Capitulino Date: Fri, 5 Oct 2012 17:46:21 +0200 Subject: [PATCH 09/21] Add API to get memory mapping without do paging RH-Author: Luiz Capitulino Message-id: <1349459193-18226-8-git-send-email-lcapitulino@redhat.com> Patchwork-id: 42755 O-Subject: [RHEL6.4 qemu-kvm PATCH 07/19] Add API to get memory mapping without do paging Bugzilla: 832458 RH-Acked-by: Marcelo Tosatti RH-Acked-by: Markus Armbruster RH-Acked-by: Paolo Bonzini From: Wen Congyang crash does not need the virtual address and physical address mapping, and the mapping does not include the memory that is not referenced by the page table. crash does not use the virtual address, so we can create the mapping for all physical memory(virtual address is always 0). This patch provides a API to do this thing, and it will be used in the following patch. Signed-off-by: Wen Congyang Signed-off-by: Luiz Capitulino (cherry picked from commit 2b05ab5229f880720ab6ca0e52577089889c10f9) --- memory_mapping.c | 9 +++++++++ memory_mapping.h | 3 +++ 2 files changed, 12 insertions(+) Signed-off-by: Michal Novotny --- memory_mapping.c | 9 +++++++++ memory_mapping.h | 3 +++ 2 files changed, 12 insertions(+) diff --git a/memory_mapping.c b/memory_mapping.c index 627397a..adb1595 100644 --- a/memory_mapping.c +++ b/memory_mapping.c @@ -211,3 +211,12 @@ int qemu_get_guest_memory_mapping(MemoryMappingList *list) return 0; } #endif + +void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list) +{ + RAMBlock *block; + + QLIST_FOREACH(block, &ram_list.blocks, next) { + create_new_memory_mapping(list, block->offset, 0, block->length); + } +} diff --git a/memory_mapping.h b/memory_mapping.h index 7f3c256..190de12 100644 --- a/memory_mapping.h +++ b/memory_mapping.h @@ -60,6 +60,9 @@ static inline int qemu_get_guest_memory_mapping(MemoryMappingList *list) } #endif +/* get guest's memory mapping without do paging(virtual address is 0). */ +void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list); + #else /* We use MemoryMappingList* in cpu-all.h */ -- 1.7.11.4