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From: gengdongjiu <gengdongjiu@huawei.com>
To: Beata Michalska <beata.michalska@linaro.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com,
	wanghaibin.wang@huawei.com, mtosatti@redhat.com,
	qemu-devel@nongnu.org, linuxarm@huawei.com,
	shannon.zhaosl@gmail.com, Xiang Zheng <zhengxiang9@huawei.com>,
	qemu-arm@nongnu.org, james.morse@arm.com,
	jonathan.cameron@huawei.com, Igor Mammedov <imammedo@redhat.com>,
	pbonzini@redhat.com, xuwei5@huawei.com,
	Laszlo Ersek <lersek@redhat.com>,
	rth@twiddle.net
Subject: Re: [RESEND PATCH v21 5/6] target-arm: kvm64: handle SIGBUS signal from kernel or KVM
Date: Mon, 9 Dec 2019 22:12:33 +0800
Message-ID: <650e26cf-e007-1e31-cd0a-4042bb9fa6a8@huawei.com> (raw)
In-Reply-To: <CADSWDzvFvS6mYiMhXu2J+u+sUxZaKcCE78EuSggv-VOY7zEN_w@mail.gmail.com>



On 2019/12/9 21:05, Beata Michalska wrote:
>> Here we set the FnV to not valid, not to set it to valid.
>> because Guest will use the physical address that recorded in APEI table.
>>
> To be precise : the FnV is  giving the status of FAR - so what you are setting
> here is status of 0b0 which means FAR is valid, not FnV on it's own.
> And my point was that you are changing the prototype for syn_data_abort_no_iss
> just for this case only so I was just thinking that it might not be
> worth that, instead
> you could just set it here ... or to be more flexible , provide a way
> to set specific bits
> on demand.

No, I set the FnV to 0b1, not 0b0, the whole esr_el1's value is 0x96000410, as shown below log:
I remember changing the prototype for syn_data_abort_no_iss is suggested by Peter Maydell.


[1]:
[   62.851830] Internal error: synchronous external abort: 96000410 [#1] PREEMPT SMP
[   62.854465] Modules linked in:



> 



  reply index

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-11  1:40 [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU Xiang Zheng
2019-11-11  1:40 ` [RESEND PATCH v21 1/6] hw/arm/virt: Introduce a RAS machine option Xiang Zheng
2019-12-02 18:22   ` Peter Maydell
2019-12-07 12:10     ` gengdongjiu
2019-11-11  1:40 ` [RESEND PATCH v21 2/6] docs: APEI GHES generation and CPER record description Xiang Zheng
2019-11-15  9:44   ` Igor Mammedov
2019-11-27  1:37     ` Xiang Zheng
2019-11-27  8:12       ` Igor Mammedov
2019-11-11  1:40 ` [RESEND PATCH v21 3/6] ACPI: Add APEI GHES table generation support Xiang Zheng
2019-11-15  9:38   ` Igor Mammedov
2019-11-18 12:49     ` gengdongjiu
2019-11-18 13:18       ` gengdongjiu
2019-11-18 13:21         ` Michael S. Tsirkin
2019-11-18 13:57           ` gengdongjiu
2019-11-25  9:48           ` Igor Mammedov
2019-11-27 11:16             ` gengdongjiu
2019-11-22 15:44       ` Beata Michalska
2019-11-22 15:42   ` Beata Michalska
2019-11-25  9:23     ` Igor Mammedov
2019-11-11  1:40 ` [RESEND PATCH v21 4/6] KVM: Move hwpoison page related functions into kvm-all.c Xiang Zheng
2019-12-02 18:23   ` Peter Maydell
2019-11-11  1:40 ` [RESEND PATCH v21 5/6] target-arm: kvm64: handle SIGBUS signal from kernel or KVM Xiang Zheng
2019-11-15 16:37   ` Igor Mammedov
2019-11-22 15:47     ` Beata Michalska
2019-11-25  9:37       ` Igor Mammedov
2019-11-27  1:40     ` Xiang Zheng
2019-11-27 10:43       ` Igor Mammedov
2019-12-21 12:35     ` gengdongjiu
2019-11-22 15:47   ` Beata Michalska
2019-11-27 12:47     ` Xiang Zheng
2019-11-27 13:02       ` Igor Mammedov
2019-11-27 14:17         ` Beata Michalska
2019-12-03  3:35           ` Xiang Zheng
2019-11-27 14:17       ` Beata Michalska
2019-12-03  3:35         ` Xiang Zheng
2019-12-07  9:33     ` gengdongjiu
2019-12-09 13:05       ` Beata Michalska
2019-12-09 14:12         ` gengdongjiu [this message]
2019-11-11  1:40 ` [RESEND PATCH v21 6/6] MAINTAINERS: Add APCI/APEI/GHES entries Xiang Zheng
2019-12-02 18:27 ` [RESEND PATCH v21 0/6] Add ARMv8 RAS virtualization support in QEMU Peter Maydell
2019-12-03  2:09   ` gengdongjiu

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