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| Started by | "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> |
|---|---|
| First post | 2016-06-22 18:30 +0200 |
| Last post | 2016-06-23 11:30 +0200 |
| Articles | 3 — 3 participants |
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[PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> - 2016-06-22 18:30 +0200
Re: [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le Thadeu Lima de Souza Cascardo <cascardo@redhat.com> - 2016-06-22 19:00 +0200
Re: [PATCHv2,1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le Michael Ellerman <mpe@ellerman.id.au> - 2016-06-23 11:30 +0200
| From | "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> |
|---|---|
| Date | 2016-06-22 18:30 +0200 |
| Subject | [PATCHv2 1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le |
| Message-ID | <rMTcl-5Ma-1@gated-at.bofh.it> |
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. 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
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| From | Thadeu Lima de Souza Cascardo <cascardo@redhat.com> |
|---|---|
| Date | 2016-06-22 19:00 +0200 |
| Message-ID | <rMTFo-5Zi-29@gated-at.bofh.it> |
| In reply to | #1428954 |
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 >
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| From | Michael Ellerman <mpe@ellerman.id.au> |
|---|---|
| Date | 2016-06-23 11:30 +0200 |
| Subject | Re: [PATCHv2,1/7] ppc bpf/jit: Disable classic BPF JIT on ppc64le |
| Message-ID | <rN97r-7UZ-11@gated-at.bofh.it> |
| In reply to | #1428954 |
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
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