On Mon, Oct 07, 2019 at 12:21:25PM -0700, Linus Torvalds wrote: > On Sun, Oct 6, 2019 at 3:20 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > > > this patch causes all my sparc64 emulations to stall during boot. It causes > > all alpha emulations to crash with [1a] and [1b] when booting from a virtual > > disk, and one of the xtensa emulations to crash with [2]. > > So I think your alpha emulation environment may be broken, because > Michael Cree reports that it works for him on real hardware, but he > does see the kernel unaligned count being high. > Yes, that possibility always exists, unfortunately. > But regardless, this is my current fairly minimal patch that I think > should fix the unaligned issue, while still giving the behavior we > want on x86. I hope Al can do something nicer, but I think this is > "acceptable". > > I'm running this now on x86, and I verified that x86-32 code > generation looks sane too, but it woudl be good to verify that this > makes the alignment issue go away on other architectures. > > Linus I started a complete test run with the patch applied. I'll let you know how it went after it is complete - it should be done in a couple of hours. Guenter
