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From: Mayuresh Chitale <mchitale@ventanamicro.com>
To: Jisheng Zhang <jszhang@kernel.org>
Cc: "Paul Walmsley" <paul.walmsley@sifive.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Björn Töpel" <bjorn@kernel.org>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Martin KaFai Lau" <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"KP Singh" <kpsingh@kernel.org>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Michal Marek" <michal.lkml@markovi.net>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Kefeng Wang" <wangkefeng.wang@huawei.com>,
	"Tong Tiangen" <tongtiangen@huawei.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, bpf@vger.kernel.org,
	linux-kbuild@vger.kernel.org
Subject: Re: [PATCH 11/12] riscv: extable: add a dedicated uaccess handler
Date: Mon, 24 Jan 2022 22:32:43 +0530	[thread overview]
Message-ID: <CAN37VV4H=ts6GU1aV6M1mZk+SRb-3n3R_nz9Ao3_W1zcEKW4-A@mail.gmail.com> (raw)
In-Reply-To: <Ye0cCI8aAC8rL1IE@xhacker>

Hi Jisheng,

On Sun, Jan 23, 2022 at 2:50 PM Jisheng Zhang <jszhang@kernel.org> wrote:
>
> On Fri, Jan 21, 2022 at 08:16:51PM +0800, Jisheng Zhang wrote:
> > On Thu, Jan 20, 2022 at 11:45:34PM +0530, Mayuresh Chitale wrote:
> > > Hello Jisheng,
> >
> > Hi,
> >
> > >
> > > Just wanted to inform you that this patch breaks the writev02 test
> > > case in LTP and if it is reverted then the test passes. If we run the
> > > test through strace then we see that the test hangs and following is
> > > the last line printed by strace:
> > >
> > > "writev(3, [{iov_base=0x7fff848a6000, iov_len=8192}, {iov_base=NULL,
> > > iov_len=0}]"
> > >
> >
> > Thanks for the bug report. I will try to fix it.
>
> Hi Mayuresh,
>
> I just sent out a fix for this bug. Per my test, the issue is fixed.
> Could you please try?
>
> Thanks

Your fix works as expected.

Thanks,
Mayuresh.

WARNING: multiple messages have this Message-ID (diff)
From: Mayuresh Chitale <mchitale@ventanamicro.com>
To: Jisheng Zhang <jszhang@kernel.org>
Cc: "Paul Walmsley" <paul.walmsley@sifive.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Björn Töpel" <bjorn@kernel.org>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Martin KaFai Lau" <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"KP Singh" <kpsingh@kernel.org>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Michal Marek" <michal.lkml@markovi.net>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Kefeng Wang" <wangkefeng.wang@huawei.com>,
	"Tong Tiangen" <tongtiangen@huawei.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, bpf@vger.kernel.org,
	linux-kbuild@vger.kernel.org
Subject: Re: [PATCH 11/12] riscv: extable: add a dedicated uaccess handler
Date: Mon, 24 Jan 2022 22:32:43 +0530	[thread overview]
Message-ID: <CAN37VV4H=ts6GU1aV6M1mZk+SRb-3n3R_nz9Ao3_W1zcEKW4-A@mail.gmail.com> (raw)
In-Reply-To: <Ye0cCI8aAC8rL1IE@xhacker>

Hi Jisheng,

On Sun, Jan 23, 2022 at 2:50 PM Jisheng Zhang <jszhang@kernel.org> wrote:
>
> On Fri, Jan 21, 2022 at 08:16:51PM +0800, Jisheng Zhang wrote:
> > On Thu, Jan 20, 2022 at 11:45:34PM +0530, Mayuresh Chitale wrote:
> > > Hello Jisheng,
> >
> > Hi,
> >
> > >
> > > Just wanted to inform you that this patch breaks the writev02 test
> > > case in LTP and if it is reverted then the test passes. If we run the
> > > test through strace then we see that the test hangs and following is
> > > the last line printed by strace:
> > >
> > > "writev(3, [{iov_base=0x7fff848a6000, iov_len=8192}, {iov_base=NULL,
> > > iov_len=0}]"
> > >
> >
> > Thanks for the bug report. I will try to fix it.
>
> Hi Mayuresh,
>
> I just sent out a fix for this bug. Per my test, the issue is fixed.
> Could you please try?
>
> Thanks

Your fix works as expected.

Thanks,
Mayuresh.

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2022-01-24 17:03 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-18 11:21 [PATCH v4 0/12] riscv: switch to relative extable and other improvements Jisheng Zhang
2021-11-18 11:21 ` Jisheng Zhang
2021-11-18 11:22 ` [PATCH 01/12] riscv: remove unused __cmpxchg_user() macro Jisheng Zhang
2021-11-18 11:22   ` Jisheng Zhang
2021-11-18 11:22 ` [PATCH 02/12] riscv: consolidate __ex_table construction Jisheng Zhang
2021-11-18 11:22   ` Jisheng Zhang
2021-11-18 11:22 ` [PATCH 03/12] riscv: switch to relative exception tables Jisheng Zhang
2021-11-18 11:22   ` Jisheng Zhang
2021-11-19  2:09   ` tongtiangen
2021-11-19  2:09     ` tongtiangen
2021-11-18 11:23 ` [PATCH 04/12] riscv: bpf: move rv_bpf_fixup_exception signature to extable.h Jisheng Zhang
2021-11-18 11:23   ` Jisheng Zhang
2021-11-18 11:24 ` [PATCH 05/12] riscv: extable: make fixup_exception() return bool Jisheng Zhang
2021-11-18 11:24   ` Jisheng Zhang
2021-11-18 11:24 ` [PATCH 06/12] riscv: extable: use `ex` for `exception_table_entry` Jisheng Zhang
2021-11-18 11:24   ` Jisheng Zhang
2021-11-18 11:25 ` [PATCH 07/12] riscv: lib: uaccess: fold fixups into body Jisheng Zhang
2021-11-18 11:25   ` Jisheng Zhang
2021-11-18 11:25 ` [PATCH 08/12] riscv: extable: consolidate definitions Jisheng Zhang
2021-11-18 11:25   ` Jisheng Zhang
2021-11-18 11:26 ` [PATCH 09/12] riscv: extable: add `type` and `data` fields Jisheng Zhang
2021-11-18 11:26   ` Jisheng Zhang
2021-11-18 11:42   ` Jisheng Zhang
2021-11-18 11:42     ` Jisheng Zhang
2021-11-18 15:21     ` Mark Rutland
2021-11-18 15:21       ` Mark Rutland
2022-01-06  3:21       ` Palmer Dabbelt
2022-01-06  3:21         ` Palmer Dabbelt
2022-01-06 10:23         ` Mark Rutland
2022-01-06 10:23           ` Mark Rutland
2021-11-19  2:35   ` tongtiangen
2021-11-19  2:35     ` tongtiangen
2021-11-18 11:26 ` [PATCH 10/12] riscv: add gpr-num.h Jisheng Zhang
2021-11-18 11:26   ` Jisheng Zhang
2021-11-18 11:26 ` [PATCH 11/12] riscv: extable: add a dedicated uaccess handler Jisheng Zhang
2021-11-18 11:26   ` Jisheng Zhang
2021-11-18 17:31   ` kernel test robot
2022-01-20 18:15   ` Mayuresh Chitale
2022-01-20 18:15     ` Mayuresh Chitale
2022-01-21 12:16     ` Jisheng Zhang
2022-01-21 12:16       ` Jisheng Zhang
2022-01-23  9:12       ` Jisheng Zhang
2022-01-23  9:12         ` Jisheng Zhang
2022-01-24 17:02         ` Mayuresh Chitale [this message]
2022-01-24 17:02           ` Mayuresh Chitale
2021-11-18 11:27 ` [PATCH 12/12] riscv: vmlinux.lds.S|vmlinux-xip.lds.S: remove `.fixup` section Jisheng Zhang
2021-11-18 11:27   ` Jisheng Zhang

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