Re: Summary of the Arm ports BoF at DC17

2017-09-15 Thread Wookey
On 2017-09-14 12:58 +0800, Paul Wise wrote: > Wookey, could you add something about the motivation for arm64ilp32 to > the wiki page about it? Will do. But the short version is that it's only useful if you need to run 32-bit code on hardware that only supports the 64-bit execution mode. Such hardw

Re: Summary of the Arm ports BoF at DC17

2017-09-15 Thread Ben Hutchings
On Thu, 2017-09-14 at 03:40 +0100, Steve McIntyre wrote: [...] > There is optional kernel support to trap the exceptions here > and emulate the instructions, but it's really not recommended for > serious use (e.g. on a build machine!). [...] Why is it not recommended? Terrible performance, or kno