On Fri, 6 Nov 2020 10:26:50 +0530, Ravi Bangoria wrote:
> POWER10 DD1 has an issue where it generates watchpoint exceptions when
> it shouldn't. The conditions where this occur are:
>
> - octword op
> - ending address of DAWR range is less than starting address of op
> - those addresses need to be in the same or in two consecutive 512B
> blocks
> - 'op address + 64B' generates an address that has a carry into bit
> 52 (crosses 2K boundary)
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/watchpoint: Workaround P10 DD1 issue with VSX-32 byte instructions
https://git.kernel.org/powerpc/c/3d2ffcdd2a982e8bbe65fa0f94fb21bf304c281e
cheers
