This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit may cause VM freeze on arm64 platform.
Because on arm64 platform, stop a consumer will suspend the VM,
the VM will freeze without a start consumer
Signed-off-by: Zhu Lingshan
---
virt/lib/irqbypass.c | 16
7;ve also dropped it).
Eric, what do you think?
Adding Zhu, Jason, MST to the party. It all seems to be caused by this
commit:
commit a979a6aa009f3c99689432e0cdb5402a4463fb88
Author: Zhu Lingshan
Date: Fri Jul 31 14:55:33 2020 +0800
irqbypass: do not start cons/prod when failed connect
On 5/10/2021 10:43 AM, Jason Wang wrote:
在 2021/5/8 下午3:11, Zhu Lingshan 写道:
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit may cause VM freeze on arm64 platform.
Because on arm64 platform, stop a consumer will suspend the VM,
the VM will freeze without a
On 5/10/2021 12:34 PM, Jason Wang wrote:
在 2021/5/10 上午11:00, Zhu, Lingshan 写道:
On 5/10/2021 10:43 AM, Jason Wang wrote:
在 2021/5/8 下午3:11, Zhu Lingshan 写道:
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit may cause VM freeze on arm64 platform.
Because
On 5/10/2021 3:09 PM, Zhu, Lingshan wrote:
On 5/10/2021 12:34 PM, Jason Wang wrote:
在 2021/5/10 上午11:00, Zhu, Lingshan 写道:
On 5/10/2021 10:43 AM, Jason Wang wrote:
在 2021/5/8 下午3:11, Zhu Lingshan 写道:
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit
On 5/10/2021 6:00 PM, Marc Zyngier wrote:
On Mon, 10 May 2021 09:32:54 +0100,
"Zhu, Lingshan" wrote:
On 5/10/2021 3:09 PM, Zhu, Lingshan wrote:
On 5/10/2021 12:34 PM, Jason Wang wrote:
在 2021/5/10 上午11:00, Zhu, Lingshan 写道:
On 5/10/2021 10:43 AM, Jason Wang wrote:
在 2021/
r...@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-c...@vger.kernel.org
Cc: linux-ri...@lists.infradead.org
Cc: xen-de...@lists.xenproject.org
Suggested-by: Peter Zijlstra (Intel)
Original-by: Peter Zijlstra (Intel)
Signed-off-by: Like Xu
Signed-off-by: Zhu Lingshan
---
arch/
r...@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-c...@vger.kernel.org
Cc: linux-ri...@lists.infradead.org
Cc: xen-de...@lists.xenproject.org
Suggested-by: Peter Zijlstra (Intel)
Original-by: Peter Zijlstra (Intel)
Signed-off-by: Like Xu
Signed-off-by: Zhu Lingshan
---
arch/
Thanks Boris, I will fix this in V8
On 6/23/2021 1:31 AM, Boris Ostrovsky wrote:
On 6/22/21 5:38 AM, Zhu Lingshan wrote:
-static int xen_is_user_mode(void)
-{
- const struct xen_pmu_data *xenpmu_data = get_xenpmu_data();
+ state |= PERF_GUEST_ACTIVE;
- if (!xenpmu_data
On 7/2/2021 7:22 PM, Peter Zijlstra wrote:
On Tue, Jun 22, 2021 at 05:42:49PM +0800, Zhu Lingshan wrote:
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 8f71dd72ef95..c71af4cfba9b 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -90,6 +90,27
r...@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-c...@vger.kernel.org
Cc: linux-ri...@lists.infradead.org
Cc: xen-de...@lists.xenproject.org
Suggested-by: Peter Zijlstra (Intel)
Original-by: Peter Zijlstra (Intel)
Signed-off-by: Like Xu
Signed-off-by: Zhu Lingshan
Reviewed-by: B
On 7/21/2021 7:57 PM, Like Xu wrote:
On 16/7/2021 4:53 pm, Zhu Lingshan wrote:
+ } else if (xenpmu_data->pmu.r.regs.cpl & 3)
oh, my typo, will fix in V9
Thanks
Lingshan, serious for this version ?
arch/x86/xen/pmu.c:438:9: error: expected identifier or ‘(’ before
‘return’
On 7/21/2021 7:57 PM, Like Xu wrote:
On 16/7/2021 4:53 pm, Zhu Lingshan wrote:
+ } else if (xenpmu_data->pmu.r.regs.cpl & 3)
Lingshan, serious for this version ?
arch/x86/xen/pmu.c:438:9: error: expected identifier or ‘(’ before
‘return’
438 | retur
r...@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-c...@vger.kernel.org
Cc: linux-ri...@lists.infradead.org
Cc: xen-de...@lists.xenproject.org
Suggested-by: Peter Zijlstra (Intel)
Original-by: Peter Zijlstra (Intel)
Signed-off-by: Like Xu
Signed-off-by: Zhu Lingshan
Reviewed-by: B
r...@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-c...@vger.kernel.org
Cc: linux-ri...@lists.infradead.org
Cc: xen-de...@lists.xenproject.org
Suggested-by: Peter Zijlstra (Intel)
Original-by: Peter Zijlstra (Intel)
Signed-off-by: Like Xu
Signed-off-by: Zhu Lingshan
Reviewed-by:
ing on fix this.
Does this sound good?
Thanks,
Zhu Lingshan
On Fri, Aug 06, 2021, Zhu Lingshan wrote:
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 464917096e73..e466fc8176e1 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6489,9 +6489,18 @@ static void per
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