Re: [PATCH 7/9] powerpc/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06

2021-10-02 Thread Johan Almbladh
On Fri, Oct 1, 2021 at 11:15 PM Naveen N. Rao wrote: > > Johan reported the below crash with test_bpf on ppc64 e5500: > > test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -> 0x67452301 jited:1 > Oops: Exception in kernel mode, sig: 4 [#1] > BE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500 > M

[PATCH 7/9] powerpc/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06

2021-10-01 Thread Naveen N. Rao
Johan reported the below crash with test_bpf on ppc64 e5500: test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -> 0x67452301 jited:1 Oops: Exception in kernel mode, sig: 4 [#1] BE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500 Modules linked in: test_bpf(+) CPU: 0 PID: 76 Comm: insmod Not tai