On Fri, Mar 16, 2018 at 02:30:21PM -0400, David Miller wrote:
> From: Dominik Brodowski
> Date: Fri, 16 Mar 2018 18:05:52 +0100
>
> > The rationale of this change is described in patch 1 of part 1[*] as
> > follows:
> >
> > The syscall entry points to the kernel defined by SYSCALL_DEFINEx()
On Fri, Mar 16, 2018 at 11:30 AM, David Miller wrote:
>
> I imagine one of the things you'd like to do is declare that syscall
> entries use a different (better) argument passing scheme. For
> example, passing values in registers instead of on the stack.
Actually, it's almost exactly the reverse
From: Dominik Brodowski
Date: Fri, 16 Mar 2018 18:05:52 +0100
> The rationale of this change is described in patch 1 of part 1[*] as follows:
>
> The syscall entry points to the kernel defined by SYSCALL_DEFINEx()
> and COMPAT_SYSCALL_DEFINEx() should only be called from userspace
>
Here is another series of patches which reduce the number of syscall
invocations from within the kernel. This series is focused solely on
the net/ part of the kernel and get rids of syscall and compat_syscall
invocations from within the kernel completely. It is also available at
https://gi
