[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1430389490-24602-7-git-send-email-guangrong.xiao@linux.intel.com>
Date: Thu, 30 Apr 2015 18:24:37 +0800
From: guangrong.xiao@...ux.intel.com
To: pbonzini@...hat.com
Cc: gleb@...nel.org, mtosatti@...hat.com, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org,
Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Subject: [PATCH 6/9] KVM: MMU: introduce kvm_zap_rmapp
From: Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Split kvm_unmap_rmapp and introduce kvm_zap_rmapp which will be used in the
later patch
Signed-off-by: Xiao Guangrong <guangrong.xiao@...ux.intel.com>
---
arch/x86/kvm/mmu.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index fea1e83..5d90a22 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1353,25 +1353,29 @@ static bool rmap_write_protect(struct kvm *kvm, u64 gfn)
return write_protected;
}
-static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
- struct kvm_memory_slot *slot, gfn_t gfn, int level,
- unsigned long data)
+static bool kvm_zap_rmapp(struct kvm *kvm, unsigned long *rmapp)
{
u64 *sptep;
struct rmap_iterator iter;
- int need_tlb_flush = 0;
+ bool flush = false;
restart:
for_each_rmap_spte(rmapp, &iter, sptep) {
- rmap_printk("kvm_rmap_unmap_hva: spte %p %llx gfn %llx (%d)\n",
- sptep, *sptep, gfn, level);
+ rmap_printk("%s: spte %p %llx.\n", __func__, sptep, *sptep);
drop_spte(kvm, sptep);
- need_tlb_flush = 1;
+ flush = true;
goto restart;
}
- return need_tlb_flush;
+ return flush;
+}
+
+static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
+ struct kvm_memory_slot *slot, gfn_t gfn, int level,
+ unsigned long data)
+{
+ return kvm_zap_rmapp(kvm, rmapp);
}
static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists