Messages in this thread | | | Date | Thu, 1 Feb 2018 16:32:35 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/7] objtool: retpoline validation |
| |
On Thu, Feb 01, 2018 at 09:28:56AM -0600, Josh Poimboeuf wrote: > On Thu, Feb 01, 2018 at 03:34:21PM +0100, Peter Zijlstra wrote: > > There are the retpoline validation patches; they work with the __noretpoline > > thing from David. > > Have you run this through 0-day bot yet?
Yes, it complains a _lot_ because no retpoline supported compiler.
> A manual awk/sed found another > one, which objtool confirms: > > drivers/watchdog/.tmp_hpwdt.o: warning: objtool: .text+0x24: indirect call found in RETPOLINE build
That is the only known one left. It calls into BIOS code, so its not safe and using a retpoline for it is pointless since nobody audited the BIOS code.
| |