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Date: Sun, 23 Jan 2022 17:12:40 +0800 From: Jisheng Zhang <jszhang@...nel.org> To: Mayuresh Chitale <mchitale@...tanamicro.com> Cc: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Björn Töpel <bjorn@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Masahiro Yamada <masahiroy@...nel.org>, Michal Marek <michal.lkml@...kovi.net>, Nick Desaulniers <ndesaulniers@...gle.com>, Kefeng Wang <wangkefeng.wang@...wei.com>, Tong Tiangen <tongtiangen@...wei.com>, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, linux-kbuild@...r.kernel.org Subject: Re: [PATCH 11/12] riscv: extable: add a dedicated uaccess handler 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
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