* Re: [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le
2016-06-22 16:25 ` [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le Naveen N. Rao
@ 2016-06-22 16:50 ` Thadeu Lima de Souza Cascardo
2016-06-23 9:26 ` [PATCHv2,1/7] " Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Thadeu Lima de Souza Cascardo @ 2016-06-22 16:50 UTC (permalink / raw)
To: Naveen N. Rao
Cc: linux-kernel, linuxppc-dev, netdev, Michael Ellerman, stable,
Matt Evans, Denis Kirjanov, Paul Mackerras, Alexei Starovoitov,
Daniel Borkmann, David S. Miller, Ananth N Mavinakayanahalli
On Wed, Jun 22, 2016 at 09:55:01PM +0530, Naveen N. Rao wrote:
> Classic BPF JIT was never ported completely to work on little endian
> powerpc. However, it can be enabled and will crash the system when used.
> As such, disable use of BPF JIT on ppc64le.
Thanks, Naveen.
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
>
> Cc: stable@vger.kernel.org
> Cc: Matt Evans <matt@ozlabs.org>
> Cc: Denis Kirjanov <kda@linux-powerpc.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Alexei Starovoitov <ast@fb.com>
> Cc: Daniel Borkmann <daniel@iogearbox.net>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
> Cc: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
> Reported-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
> ---
> arch/powerpc/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 01f7464..0a9d439 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -128,7 +128,7 @@ config PPC
> select IRQ_FORCED_THREADING
> select HAVE_RCU_TABLE_FREE if SMP
> select HAVE_SYSCALL_TRACEPOINTS
> - select HAVE_CBPF_JIT
> + select HAVE_CBPF_JIT if CPU_BIG_ENDIAN
> select HAVE_ARCH_JUMP_LABEL
> select ARCH_HAVE_NMI_SAFE_CMPXCHG
> select ARCH_HAS_GCOV_PROFILE_ALL
> --
> 2.8.2
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCHv2,1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le
2016-06-22 16:25 ` [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le Naveen N. Rao
2016-06-22 16:50 ` Thadeu Lima de Souza Cascardo
@ 2016-06-23 9:26 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2016-06-23 9:26 UTC (permalink / raw)
To: Naveen N. Rao, linux-kernel, linuxppc-dev, netdev
Cc: Matt Evans, Daniel Borkmann, Alexei Starovoitov, Denis Kirjanov,
Thadeu Lima de Souza Cascardo, stable, Paul Mackerras,
David S. Miller, Ananth N Mavinakayanahalli
On Wed, 2016-22-06 at 16:25:01 UTC, "Naveen N. Rao" wrote:
> Classic BPF JIT was never ported completely to work on little endian
> powerpc. However, it can be enabled and will crash the system when used.
> As such, disable use of BPF JIT on ppc64le.
>
> Reported-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/844e3be47693f92a108cb1fb3b
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread