cpus: Add a macro to walk CPUs in reverse

Add CPU_FOREACH_REVERSE that walks CPUs in reverse.

Needed for PowerPC CPU device tree reorganization.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Bharata B Rao 2015-07-02 16:23:16 +10:00 committed by Alexander Graf
parent db4ef288f4
commit 8487d12318

View File

@ -323,6 +323,8 @@ extern struct CPUTailQ cpus;
#define CPU_FOREACH(cpu) QTAILQ_FOREACH(cpu, &cpus, node)
#define CPU_FOREACH_SAFE(cpu, next_cpu) \
QTAILQ_FOREACH_SAFE(cpu, &cpus, node, next_cpu)
#define CPU_FOREACH_REVERSE(cpu) \
QTAILQ_FOREACH_REVERSE(cpu, &cpus, CPUTailQ, node)
#define first_cpu QTAILQ_FIRST(&cpus)
DECLARE_TLS(CPUState *, current_cpu);