Re: selftests/powerpc: Add a test of wild bctr

2018-10-22 Thread Michael Ellerman
On Tue, 2018-07-24 at 05:53:22 UTC, Michael Ellerman wrote: > This tests that a bctr (Branch to counter and link), ie. a function > call, to a wildly out-of-bounds address is handled correctly. > > Some old kernel versions didn't handle it correctly, see eg: > > "powerpc/slb: Force a full SLB f

[PATCH] selftests/powerpc: Add a test of wild bctr

2018-07-23 Thread Michael Ellerman
This tests that a bctr (Branch to counter and link), ie. a function call, to a wildly out-of-bounds address is handled correctly. Some old kernel versions didn't handle it correctly, see eg: "powerpc/slb: Force a full SLB flush when we insert for a bad EA" https://lists.ozlabs.org/pipermail/l