Re: [PATCH AUTOSEL 6.3 5/7] riscv: Unconditionnally select KASAN_VMALLOC if KASAN

[Sasha Levin]

On Fri, May 12, 2023 at 11:51:03AM +0200, Alexandre Ghiti wrote:
> Hi Sasha,
>
> On 5/9/23 05:54, Sasha Levin wrote:
> > From: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
> >
> > [ Upstream commit 864046c512c2cd8418dc928b91981fb12a80396c ]
> >
> > If KASAN is enabled, VMAP_STACK depends on KASAN_VMALLOC so enable
> > KASAN_VMALLOC with KASAN so that we can enable VMAP_STACK by default.
> >
> > Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
> > Reviewed-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
> > Link: https://lore.kernel.org/r/20230203075232.274282-7-alexghiti@xxxxxxxxxxxx
> > Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > ---
> >  arch/riscv/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> > index eb7f29a412f87..d6aad84efb95e 100644
> > --- a/arch/riscv/Kconfig
> > +++ b/arch/riscv/Kconfig
> > @@ -118,6 +118,7 @@ config RISCV
> >  	select HAVE_SYSCALL_TRACEPOINTS
> >  	select IRQ_DOMAIN
> >  	select IRQ_FORCED_THREADING
> > +	select KASAN_VMALLOC if KASAN
> >  	select MODULES_USE_ELF_RELA if MODULES
> >  	select MODULE_SECTIONS if MODULES
> >  	select OF
>
>
> KASAN_VMALLOC is broken for any kernel < 6.4, so this one should not 
> be backported to any kernel (5.15, 6.1, 6.2, 6.3).

Ack, dropped. Thanks!

--
Thanks,
Sasha