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From c3347218d224591fe59debbf2006811b418f9070 Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Tue, 14 Jan 2014 15:07:18 +0100
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Subject: [PATCH 07/40] exec: create function to get a single dirty bit
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RH-Author: Juan Quintela <quintela@redhat.com>
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Message-id: <1389712071-23303-8-git-send-email-quintela@redhat.com>
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Patchwork-id: 56663
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O-Subject: [RHEL7 qemu-kvm PATCH 07/40] exec: create function to get a single dirty bit
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Bugzilla: 997559
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Orit Wasserman <owasserm@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Reviewed-by: Orit Wasserman <owasserm@redhat.com>
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(cherry picked from commit 7e5609a85e3f35965af5e4c7b1480254642cf2dd)
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Signed-off-by: Juan Quintela <quintela@trasno.org>
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---
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exec.c | 2 +-
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include/exec/memory-internal.h | 6 ++++++
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2 files changed, 7 insertions(+), 1 deletion(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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exec.c | 2 +-
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include/exec/memory-internal.h | 6 ++++++
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2 files changed, 7 insertions(+), 1 deletions(-)
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diff --git a/exec.c b/exec.c
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index 436dbe9..e993049 100644
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--- a/exec.c
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+++ b/exec.c
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@@ -1482,7 +1482,7 @@ static void notdirty_mem_write(void *opaque, hwaddr ram_addr,
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{
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int dirty_flags;
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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- if (!(dirty_flags & CODE_DIRTY_FLAG)) {
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+ if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
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tb_invalidate_phys_page_fast(ram_addr, size);
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dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
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}
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diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
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index 4f476d2..8872e36 100644
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--- a/include/exec/memory-internal.h
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+++ b/include/exec/memory-internal.h
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@@ -58,6 +58,12 @@ static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
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return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
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}
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+static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
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+ int dirty_flag)
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+{
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+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
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+}
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+
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/* read dirty bit (return 0 or 1) */
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static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
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{
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--
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1.7.1
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