From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41860) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTrwx-0004qz-UT for qemu-devel@nongnu.org; Wed, 09 Oct 2013 07:29:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VTrwr-00019q-Qt for qemu-devel@nongnu.org; Wed, 09 Oct 2013 07:29:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:9910) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTrwr-00019h-Io for qemu-devel@nongnu.org; Wed, 09 Oct 2013 07:29:01 -0400 From: Juan Quintela Date: Wed, 9 Oct 2013 13:28:28 +0200 Message-Id: <1381318130-10620-7-git-send-email-quintela@redhat.com> In-Reply-To: <1381318130-10620-1-git-send-email-quintela@redhat.com> References: <1381318130-10620-1-git-send-email-quintela@redhat.com> Subject: [Qemu-devel] [PATCH 06/28] exec: create function to get a single dirty bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: chegu_vinod@hp.com Signed-off-by: Juan Quintela --- exec.c | 3 ++- include/exec/memory-internal.h | 6 ++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/exec.c b/exec.c index adbcef0..07b625f 100644 --- a/exec.c +++ b/exec.c @@ -1447,9 +1447,10 @@ found: static void notdirty_mem_write(void *opaque, hwaddr ram_addr, uint64_t val, unsigned size) { + int dirty_flags; dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); - if (!(dirty_flags & CODE_DIRTY_FLAG)) { + if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) { tb_invalidate_phys_page_fast(ram_addr, size); dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr); } diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h index 4ebab80..9cd2f53 100644 --- a/include/exec/memory-internal.h +++ b/include/exec/memory-internal.h @@ -49,6 +49,12 @@ static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; } +static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr, + int dirty_flag) +{ + return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag; +} + /* read dirty bit (return 0 or 1) */ static inline int cpu_physical_memory_is_dirty(ram_addr_t addr) { -- 1.8.3.1