ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

exec: Remove dead code (CID 1432876) 

We removed the global_locking field in commit 4174495408,
leaving dead code around the 'unlocked' variable. Remove it
to fix the DEADCODE issue reported by Coverity (CID 1432876).

Fixes: 4174495408 ("exec: Remove MemoryRegion::global_locking field")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201030153752.1557776-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-10-30 16:37:52 +01:00 committed by Paolo Bonzini
parent 2eba427eb1
commit 3792185112
1 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
softmmu/physmem.c
View File

@ -2723,22 +2723,14 @@ static int memory_access_size(MemoryRegion *mr, unsigned l, hwaddr addr)
static bool prepare_mmio_access(MemoryRegion *mr)
{
bool unlocked = !qemu_mutex_iothread_locked();
bool release_lock = false;
if (unlocked) {
if (!qemu_mutex_iothread_locked()) {
qemu_mutex_lock_iothread();
unlocked = false;
release_lock = true;
}
if (mr->flush_coalesced_mmio) {
if (unlocked) {
qemu_mutex_lock_iothread();
}
qemu_flush_coalesced_mmio_buffer();
if (unlocked) {
qemu_mutex_unlock_iothread();
}
}
return release_lock;