UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

KVM: PPC: e500: Eliminate preempt_disable in local_sid_destroy_all 

The only place it makes sense to call this function already needs
to have preemption disabled.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Scott Wood 2011-08-18 15:25:16 -05:00 committed by Avi Kivity
parent 3bf3cdcc14
commit 90b92a6f51
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/powerpc/kvm/e500_tlb.c
View File

@ -116,13 +116,11 @@ static inline int local_sid_lookup(struct id *entry)
return -1;
}
/* Invalidate all id mappings on local core */
/* Invalidate all id mappings on local core -- call with preempt disabled */
static inline void local_sid_destroy_all(void)
{
preempt_disable();
__get_cpu_var(pcpu_last_used_sid) = 0;
memset(&__get_cpu_var(pcpu_sids), 0, sizeof(__get_cpu_var(pcpu_sids)));
preempt_enable();
}
static void *kvmppc_e500_id_table_alloc(struct kvmppc_vcpu_e500 *vcpu_e500)