[PATCH -next v15 08/19] riscv: Introduce struct/helpers to save/restore per-task Vector state

[Conor Dooley]

On Mon, Mar 20, 2023 at 10:46:57PM +0800, Andy Chiu wrote:
> On Mon, Mar 20, 2023 at 9:05 PM Conor Dooley <conor.dooley at microchip.com> wrote:
> >
> > On Fri, Mar 17, 2023 at 11:35:27AM +0000, Andy Chiu wrote:
> > > From: Greentime Hu <greentime.hu at sifive.com>
> > >
> > > Add vector state context struct to be added later in thread_struct. And
> > > prepare low-level helper functions to save/restore vector contexts.
> > >
> > > This include Vector Regfile and CSRs holding dynamic configuration state
> > > (vstart, vl, vtype, vcsr). The Vec Register width could be implementation
> > > defined, but same for all processes, so that is saved separately.
> > >
> > > This is not yet wired into final thread_struct - will be done when
> > > __switch_to actually starts doing this in later patches.
> > >
> > > Given the variable (and potentially large) size of regfile, they are
> > > saved in dynamically allocated memory, pointed to by datap pointer in
> > > __riscv_v_ext_state.
> > >
> > > Co-developed-by: Vincent Chen <vincent.chen at sifive.com>
> > > Signed-off-by: Vincent Chen <vincent.chen at sifive.com>
> > > Signed-off-by: Greentime Hu <greentime.hu at sifive.com>
> > > Signed-off-by: Vineet Gupta <vineetg at rivosinc.com>
> > > Signed-off-by: Andy Chiu <andy.chiu at sifive.com>
> >
> > I think you missed a:
> > Acked-by: Conor Dooley <conor.dooley at microchip.com>
> >
> > Thanks,
> > Conor.
> >
> 
> Yes, removed it on purpose because I changed some inline assembly in
> this submission. So I think you may want to take a look in case I did
> something silly.

Heh, inline asm is usually why I do "acked-by" rather than "reviewed-by"
as I am not particular confident in that realm ;)
No harm in being careful and dropping tags I suppose!
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