Re: [PATCH bpf] sparc: Correct ctx->saw_frame_pointer logic.

2018-11-26 Thread Alexei Starovoitov
On Mon, Nov 26, 2018 at 02:52:18PM -0800, David Miller wrote: > > We need to initialize the frame pointer register not just if it is > seen as a source operand, but also if it is seen as the destination > operand of a store or an atomic instruction (which effectively is a > source operand). > > T

[PATCH bpf] sparc: Correct ctx->saw_frame_pointer logic.

2018-11-26 Thread David Miller
We need to initialize the frame pointer register not just if it is seen as a source operand, but also if it is seen as the destination operand of a store or an atomic instruction (which effectively is a source operand). This is exercised by test_verifier's "non-invalid fp arithmetic" Signed-off