Re: [PATCH v3 12/28] arm64/sve: Support vector length resetting for new processes

2017-10-11 Thread Catalin Marinas
On Tue, Oct 10, 2017 at 07:38:29PM +0100, Dave P Martin wrote: > It's desirable to be able to reset the vector length to some sane > default for new processes, since the new binary and its libraries > processes may or may not be SVE-aware. > > This patch tracks the desired post-exec vector length

[PATCH v3 12/28] arm64/sve: Support vector length resetting for new processes

2017-10-10 Thread Dave Martin
It's desirable to be able to reset the vector length to some sane default for new processes, since the new binary and its libraries processes may or may not be SVE-aware. This patch tracks the desired post-exec vector length (if any) in a new thread member sve_vl_onexec, and adds a new thread