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From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: Bin Meng <bmeng.cn@gmail.com>
Cc: "open list:RISC-V" <qemu-riscv@nongnu.org>,
	Bin Meng <bin.meng@windriver.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Alistair Francis <Alistair.Francis@wdc.com>
Subject: Re: [PATCH] target/riscv: Fix satp write
Date: Thu, 2 Sep 2021 10:44:43 +0800	[thread overview]
Message-ID: <e5f5e2b1-8fc5-31de-c927-1ae7545957f8@c-sky.com> (raw)
In-Reply-To: <CAEUhbmXULr_mcdfh6x=BGLNcNM5Q7YrFhnHOuLatbrokqP0Taw@mail.gmail.com>


On 2021/9/2 上午9:59, Bin Meng wrote:
> On Thu, Sep 2, 2021 at 9:02 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>>
>> On 2021/9/1 下午9:05, Bin Meng wrote:
>>> On Wed, Sep 1, 2021 at 8:51 PM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>>>> These variables should be target_ulong. If truncated to int,
>>>> the bool conditions they indicate will be wrong.
>>>>
>>>> As satp is very important for Linux, this bug almost fails every boot.
>>> Could you please describe which Linux configuration is broken?
>> I use the image from:
>>
>> https://gitlab.com/c-sky/buildroot/-/jobs/1251564514/artifacts/browse/output/images/
>>
>>>    I have
>>> a 64-bit 5.10 kernel and it boots fine.
>> The login is mostly OK for me. But the busybox can't run properly.
> Which kernel version is this?
5.10.4
> Could you please investigate and
> indicate in the commit message?
>
> I just tested current qemu-system-riscv64 can boot to Ubuntu 20.04
> distro user space.

Very strange.  This will cause tlb_flush can't be called in this function.

Thanks,
Zhiwei

>
> Regards,
> Bin


WARNING: multiple messages have this Message-ID (diff)
From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: Bin Meng <bmeng.cn@gmail.com>
Cc: "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
	"open list:RISC-V" <qemu-riscv@nongnu.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Bin Meng <bin.meng@windriver.com>,
	Alistair Francis <Alistair.Francis@wdc.com>
Subject: Re: [PATCH] target/riscv: Fix satp write
Date: Thu, 2 Sep 2021 10:44:43 +0800	[thread overview]
Message-ID: <e5f5e2b1-8fc5-31de-c927-1ae7545957f8@c-sky.com> (raw)
In-Reply-To: <CAEUhbmXULr_mcdfh6x=BGLNcNM5Q7YrFhnHOuLatbrokqP0Taw@mail.gmail.com>


On 2021/9/2 上午9:59, Bin Meng wrote:
> On Thu, Sep 2, 2021 at 9:02 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>>
>> On 2021/9/1 下午9:05, Bin Meng wrote:
>>> On Wed, Sep 1, 2021 at 8:51 PM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>>>> These variables should be target_ulong. If truncated to int,
>>>> the bool conditions they indicate will be wrong.
>>>>
>>>> As satp is very important for Linux, this bug almost fails every boot.
>>> Could you please describe which Linux configuration is broken?
>> I use the image from:
>>
>> https://gitlab.com/c-sky/buildroot/-/jobs/1251564514/artifacts/browse/output/images/
>>
>>>    I have
>>> a 64-bit 5.10 kernel and it boots fine.
>> The login is mostly OK for me. But the busybox can't run properly.
> Which kernel version is this?
5.10.4
> Could you please investigate and
> indicate in the commit message?
>
> I just tested current qemu-system-riscv64 can boot to Ubuntu 20.04
> distro user space.

Very strange.  This will cause tlb_flush can't be called in this function.

Thanks,
Zhiwei

>
> Regards,
> Bin


  reply	other threads:[~2021-09-02  2:46 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01 12:45 [PATCH] target/riscv: Fix satp write LIU Zhiwei
2021-09-01 12:45 ` LIU Zhiwei
2021-09-01 13:05 ` Bin Meng
2021-09-01 13:05   ` Bin Meng
2021-09-02  1:02   ` LIU Zhiwei
2021-09-02  1:02     ` LIU Zhiwei
2021-09-02  1:59     ` Bin Meng
2021-09-02  1:59       ` Bin Meng
2021-09-02  2:44       ` LIU Zhiwei [this message]
2021-09-02  2:44         ` LIU Zhiwei
2021-09-02  2:47         ` Bin Meng
2021-09-02  2:47           ` Bin Meng
2021-09-06  3:23           ` LIU Zhiwei
2021-09-06  3:23             ` LIU Zhiwei
2021-09-06  3:26             ` Bin Meng
2021-09-06  3:26               ` Bin Meng
2021-09-06  5:31               ` LIU Zhiwei
2021-09-06  5:31                 ` LIU Zhiwei
2021-09-02  2:49       ` Alistair Francis
2021-09-02  2:49         ` Alistair Francis
2021-09-06  5:29 ` Alistair Francis
2021-09-06  5:29   ` Alistair Francis

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