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From: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
To: <pbonzini@redhat.com>
Cc: <gleb@kernel.org>, <kvm@vger.kernel.org>, <sanjayl@kymasys.com>,
	<james.hogan@imgtec.com>, <ralf@linux-mips.org>,
	<linux-mips@linux-mips.org>, <dengcheng.zhu@imgtec.com>
Subject: [PATCH v3 6/9] MIPS: KVM: Restore correct value for WIRED at TLB uninit
Date: Tue, 24 Jun 2014 10:31:07 -0700	[thread overview]
Message-ID: <1403631071-6012-7-git-send-email-dengcheng.zhu@imgtec.com> (raw)
In-Reply-To: <1403631071-6012-1-git-send-email-dengcheng.zhu@imgtec.com>

From: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>

At TLB initialization, the commpage TLB entry is reserved on top of the
existing WIRED entries (the number not necessarily be 0).

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
---
 arch/mips/kvm/mips.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 27250ee..3d53d34 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -170,7 +170,7 @@ void kvm_arch_sync_events(struct kvm *kvm)
 static void kvm_mips_uninit_tlbs(void *arg)
 {
 	/* Restore wired count */
-	write_c0_wired(0);
+	write_c0_wired(read_c0_wired() - 1);
 	mtc0_tlbw_hazard();
 	/* Clear out all the TLBs */
 	kvm_local_flush_tlb_all();
-- 
1.8.5.3

WARNING: multiple messages have this Message-ID (diff)
From: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
To: pbonzini@redhat.com
Cc: gleb@kernel.org, kvm@vger.kernel.org, sanjayl@kymasys.com,
	james.hogan@imgtec.com, ralf@linux-mips.org,
	linux-mips@linux-mips.org, dengcheng.zhu@imgtec.com
Subject: [PATCH v3 6/9] MIPS: KVM: Restore correct value for WIRED at TLB uninit
Date: Tue, 24 Jun 2014 10:31:07 -0700	[thread overview]
Message-ID: <1403631071-6012-7-git-send-email-dengcheng.zhu@imgtec.com> (raw)
Message-ID: <20140624173107.7JRtFeDZeXlABxf2sThrxHUhsJm6oK4ITtFb1QHbhCk@z> (raw)
In-Reply-To: <1403631071-6012-1-git-send-email-dengcheng.zhu@imgtec.com>

From: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>

At TLB initialization, the commpage TLB entry is reserved on top of the
existing WIRED entries (the number not necessarily be 0).

Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
---
 arch/mips/kvm/mips.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 27250ee..3d53d34 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -170,7 +170,7 @@ void kvm_arch_sync_events(struct kvm *kvm)
 static void kvm_mips_uninit_tlbs(void *arg)
 {
 	/* Restore wired count */
-	write_c0_wired(0);
+	write_c0_wired(read_c0_wired() - 1);
 	mtc0_tlbw_hazard();
 	/* Clear out all the TLBs */
 	kvm_local_flush_tlb_all();
-- 
1.8.5.3

  parent reply	other threads:[~2014-06-24 17:34 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-24 17:31 [PATCH v3 0/9] MIPS: KVM: Bugfixes and cleanups Deng-Cheng Zhu
2014-06-24 17:31 ` Deng-Cheng Zhu
2014-06-24 17:31 ` [PATCH v3 1/9] MIPS: KVM: Reformat code and comments Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-24 23:13   ` James Hogan
2014-06-24 17:31 ` [PATCH v3 2/9] MIPS: KVM: Use KVM internal logger Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  8:59   ` James Hogan
2014-06-25  8:59     ` James Hogan
2014-06-24 17:31 ` [PATCH v3 3/9] MIPS: KVM: Simplify functions by removing redundancy Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  9:09   ` James Hogan
2014-06-25  9:09     ` James Hogan
2014-06-24 17:31 ` [PATCH v3 4/9] MIPS: KVM: Remove unneeded volatile Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  9:09   ` James Hogan
2014-06-25  9:09     ` James Hogan
2014-06-24 17:31 ` [PATCH v3 5/9] MIPS: KVM: Rename files to remove the prefix "kvm_" and "kvm_mips_" Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  9:11   ` James Hogan
2014-06-25  9:11     ` James Hogan
2014-06-24 17:31 ` Deng-Cheng Zhu [this message]
2014-06-24 17:31   ` [PATCH v3 6/9] MIPS: KVM: Restore correct value for WIRED at TLB uninit Deng-Cheng Zhu
2014-06-25  9:24   ` James Hogan
2014-06-25  9:24     ` James Hogan
2014-06-24 17:31 ` [PATCH v3 7/9] MIPS: KVM: Fix memory leak on VCPU Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  9:28   ` James Hogan
2014-06-25  9:28     ` James Hogan
2014-06-25 12:17     ` Paolo Bonzini
2014-06-27 23:47       ` Deng-Cheng Zhu
2014-06-27 23:47         ` Deng-Cheng Zhu
2014-06-24 17:31 ` [PATCH v3 8/9] MIPS: KVM: Skip memory cleaning in kvm_mips_commpage_init() Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25  9:31   ` James Hogan
2014-06-25  9:31     ` James Hogan
2014-06-24 17:31 ` [PATCH v3 9/9] MIPS: KVM: Remove dead code of TLB index error in kvm_mips_emul_tlbwr() Deng-Cheng Zhu
2014-06-24 17:31   ` Deng-Cheng Zhu
2014-06-25 12:18 ` [PATCH v3 0/9] MIPS: KVM: Bugfixes and cleanups Paolo Bonzini

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