On Thu, Jan 16, 2020 at 12:02 AM Vineet Gupta
wrote:
> On 1/14/20 12:57 PM, Arnd Bergmann wrote:
> > On Tue, Jan 14, 2020 at 9:08 PM Vineet Gupta
> > wrote:
> >> There are 2 generic varaints of strncpy_from_user() / strnlen_user()
> >> (1). inline version in asm-generic/uaccess.h
> >> (2). opt
On 1/14/20 12:57 PM, Arnd Bergmann wrote:
> On Tue, Jan 14, 2020 at 9:08 PM Vineet Gupta
> wrote:
>> There are 2 generic varaints of strncpy_from_user() / strnlen_user()
>> (1). inline version in asm-generic/uaccess.h
>> (2). optimized word-at-a-time version in lib/*
>>
>> This patch disables #
On Wed, Jan 15, 2020 at 3:12 PM Al Viro wrote:
>
> On Wed, Jan 15, 2020 at 10:08:31AM +0100, Arnd Bergmann wrote:
>
> > > I would suggest that anybody who uses asm-generic/uaccess.h needs to
> > > simply use the generic library version.
> >
> > Or possibly just everybody altogether: the remaining
On Wed, Jan 15, 2020 at 10:08:31AM +0100, Arnd Bergmann wrote:
> > I would suggest that anybody who uses asm-generic/uaccess.h needs to
> > simply use the generic library version.
>
> Or possibly just everybody altogether: the remaining architectures that
> have a custom implementation don't seem
On Tue, Jan 14, 2020 at 10:33 PM Linus Torvalds
wrote:
>
> On Tue, Jan 14, 2020 at 12:09 PM Vineet Gupta
> wrote:
> >
> > There are 2 generic varaints of strncpy_from_user() / strnlen_user()
> > (1). inline version in asm-generic/uaccess.h
>
> I think we should get rid of this entirely. It's jus
On Tue, Jan 14, 2020 at 12:09 PM Vineet Gupta
wrote:
>
> There are 2 generic varaints of strncpy_from_user() / strnlen_user()
> (1). inline version in asm-generic/uaccess.h
I think we should get rid of this entirely. It's just a buggy garbage
implementation that nobody should ever actually use.
On Tue, Jan 14, 2020 at 9:08 PM Vineet Gupta wrote:
>
> There are 2 generic varaints of strncpy_from_user() / strnlen_user()
> (1). inline version in asm-generic/uaccess.h
> (2). optimized word-at-a-time version in lib/*
>
> This patch disables #1 if #2 selected. This allows arches to continue
>
There are 2 generic varaints of strncpy_from_user() / strnlen_user()
(1). inline version in asm-generic/uaccess.h
(2). optimized word-at-a-time version in lib/*
This patch disables #1 if #2 selected. This allows arches to continue
reusing asm-generic/uaccess.h for rest of code
This came up when
