From: Al Viro <viro@zeniv.linux.org.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Guo Ren <guoren@kernel.org>,
linux-riscv <linux-riscv@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-csky@vger.kernel.org,
linux-arch <linux-arch@vger.kernel.org>,
Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH 2/3] nios2: Cleanup deprecated function strlen_user
Date: Tue, 20 Apr 2021 14:49:42 +0000 [thread overview]
Message-ID: <YH7qBjuC4UIfwE8X@zeniv-ca.linux.org.uk> (raw)
In-Reply-To: <CAK8P3a1aNDomNiX7W1USWnmdw1VR21ALX7NvJYGW9LBO+jvA4A@mail.gmail.com>
On Tue, Apr 20, 2021 at 04:32:33PM +0200, Arnd Bergmann wrote:
> On Tue, Apr 20, 2021 at 3:37 PM <guoren@kernel.org> wrote:
> >
> > From: Guo Ren <guoren@linux.alibaba.com>
> >
> > $ grep strlen_user * -r
> > arch/csky/include/asm/uaccess.h:#define strlen_user(str) strnlen_user(str, 32767)
> > arch/csky/lib/usercopy.c: * strlen_user: - Get the size of a string in user space.
> > arch/ia64/lib/strlen.S: // Please note that in the case of strlen() as opposed to strlen_user()
> > arch/mips/lib/strnlen_user.S: * make strlen_user and strnlen_user access the first few KSEG0
> > arch/nds32/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user * str);
> > arch/nios2/include/asm/uaccess.h:extern __must_check long strlen_user(const char __user *str);
> > arch/riscv/include/asm/uaccess.h:extern long __must_check strlen_user(const char __user *str);
> > kernel/trace/trace_probe_tmpl.h:static nokprobe_inline int fetch_store_strlen_user(unsigned long addr);
> > kernel/trace/trace_probe_tmpl.h: ret += fetch_store_strlen_user(val + code->offset);
> > kernel/trace/trace_uprobe.c:fetch_store_strlen_user(unsigned long addr)
> > kernel/trace/trace_kprobe.c:fetch_store_strlen_user(unsigned long addr)
> > kernel/trace/trace_kprobe.c: return fetch_store_strlen_user(addr);
>
> I would suggest using "grep strlen_user * -rw", to let the whole-word match
> filter out the irrelevant ones for the changelog.
>
> > See grep result, nobody uses it.
> >
> > Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> > Cc: Arnd Bergmann <arnd@arndb.de>
>
> All three patches
>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>
> Do you want me to pick them up in the asm-generic tree?
Might make sense to check -next from time to time... See
a0d8d552783b "whack-a-mole: kill strlen_user() (again)" in there
next prev parent reply other threads:[~2021-04-20 14:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-20 13:37 [PATCH 1/3] nds32: Cleanup deprecated function strlen_user guoren
2021-04-20 13:37 ` [PATCH 2/3] nios2: " guoren
2021-04-20 14:32 ` Arnd Bergmann
2021-04-20 14:49 ` Al Viro [this message]
2021-04-21 8:28 ` Guo Ren
2021-04-20 13:37 ` [PATCH 3/3] riscv: " guoren
2021-04-20 14:38 ` [PATCH 1/3] nds32: " Christoph Hellwig
2021-04-20 15:20 ` Greentime Hu
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