On 12/01/18 14:11, Ingo Molnar wrote: > > * Mike Galbraith <mgalbra...@suse.de> wrote: > >> Hi Juergen, >> >> Yesterday I wanted to test the RETPOLINE stuff in tip and tip-rt, but >> discovered instead that my box had turned into a complete slug, not due >> to incredible RETPOLINE overhead, rather because box had forgotten that >> it had more than one CPU. I was going to leave it for the weekend, but >> firing up gitk over morning java, I noticed the commits below, and sure >> enough, that's what broke my box. Given other people's boxen work, >> seems likely that the authors of the AMI BIOS in this box were a bit >> more creative than usual. >> >> commit 9ede5d5e672586e016eadd5c0aedb6f12e660029 (HEAD -> x86-tip) >> Author: Mike Galbraith <mgalbra...@suse.de> >> Date: Fri Jan 12 04:17:52 2018 +0100 >> >> Revert "x86/boot: Add the ACPI RSDP address to struct >> setup_header::acpi_rdsp_addr" >> >> This reverts commit 2f74cbf947f45fa082dda8eac1a1f1299a372f49. >> >> commit 0d0b6a9a0d452eaf635580fce8319d49be8b45ed >> Author: Mike Galbraith <mgalbra...@suse.de> >> Date: Fri Jan 12 04:17:30 2018 +0100 >> >> Revert "x86/acpi: Take the RSDP address for boot parameters if available" >> >> This reverts commit 0c89cf36424f7c1177de8a5712514d7cc2eb369f. >> > > Ok, I've excluded tip:x86/boot from tip:master for the time being - these > commits > are not v4.16 ready apparently.
Ingo, with my finding that above boot failure is related to a bug in openSUSE's grub2 (I've verified it soesn't exist in upstream grub2), I think my patches are fine for 4.16. I've filed a bugzilla for SUSE's grub2. Juergen
