On 2019-08-29, Rasmus Villemoes wrote:
> On 29/08/2019 14.15, Aleksa Sarai wrote:
> > On 2019-08-24, Daniel Colascione wrote:
>
> >> Why pad the structure when new functionality (perhaps accommodated via
> >> a larger structure) could be signaled by passing a new flag? Adding
> >> reserved field
On 29/08/2019 14.15, Aleksa Sarai wrote:
> On 2019-08-24, Daniel Colascione wrote:
>> Why pad the structure when new functionality (perhaps accommodated via
>> a larger structure) could be signaled by passing a new flag? Adding
>> reserved fields to a structure with a size embedded in the ABI mak
On 2019-08-24, Daniel Colascione wrote:
> On Mon, Aug 19, 2019 at 8:37 PM Aleksa Sarai wrote:
> >
> > The most obvious syscall to add support for the new LOOKUP_* scoping
> > flags would be openat(2). However, there are a few reasons why this is
> > not the best course of action:
> >
> > * The n
Jeff Layton writes:
> On Mon, 2019-08-26 at 19:50 +, sba...@catern.com wrote:
>> Aleksa Sarai writes:
>> > To this end, we introduce the openat2(2) syscall. It provides all of the
>> > features of openat(2) through the @how->flags argument, but also
>> > also provides a new @how->resolve argu
On Mon, 2019-08-26 at 19:50 +, sba...@catern.com wrote:
> Aleksa Sarai writes:
> > To this end, we introduce the openat2(2) syscall. It provides all of the
> > features of openat(2) through the @how->flags argument, but also
> > also provides a new @how->resolve argument which exposes RESOLVE_
Aleksa Sarai writes:
> To this end, we introduce the openat2(2) syscall. It provides all of the
> features of openat(2) through the @how->flags argument, but also
> also provides a new @how->resolve argument which exposes RESOLVE_* flags
> that map to our new LOOKUP_* flags. It also eliminates the
The most obvious syscall to add support for the new LOOKUP_* scoping
flags would be openat(2). However, there are a few reasons why this is
not the best course of action:
* The new LOOKUP_* flags are intended to be security features, and
openat(2) will silently ignore all unknown flags. This m
