Re: [PATCH bpf-next v4 02/10] bpf: powerpc64: pad function address loads with NOPs

On 05/24/2018 10:25 AM, Sandipan Das wrote: > On 05/24/2018 01:04 PM, Daniel Borkmann wrote: >> On 05/24/2018 08:56 AM, Sandipan Das wrote: >>> For multi-function programs, loading the address of a callee >>> function to a register requires emitting instructions whose >>> count varies from one to f

Re: [PATCH bpf-next v4 02/10] bpf: powerpc64: pad function address loads with NOPs

On 05/24/2018 01:04 PM, Daniel Borkmann wrote: > On 05/24/2018 08:56 AM, Sandipan Das wrote: >> For multi-function programs, loading the address of a callee >> function to a register requires emitting instructions whose >> count varies from one to five depending on the nature of the >> address. >

Re: [PATCH bpf-next v4 02/10] bpf: powerpc64: pad function address loads with NOPs

On 05/24/2018 08:56 AM, Sandipan Das wrote: > For multi-function programs, loading the address of a callee > function to a register requires emitting instructions whose > count varies from one to five depending on the nature of the > address. > > Since we come to know of the callee's address only

[PATCH bpf-next v4 02/10] bpf: powerpc64: pad function address loads with NOPs

For multi-function programs, loading the address of a callee function to a register requires emitting instructions whose count varies from one to five depending on the nature of the address. Since we come to know of the callee's address only before the extra pass, the number of instructions requir