Messages in this thread |  | | Date | Mon, 20 Nov 2017 14:43:06 +0000 | From | Mark Rutland <> | Subject | Re: [PATCH v2 06/18] arm64: kvm: use -fno-jump-tables with clang |
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On Mon, Nov 20, 2017 at 02:41:47PM +0000, Mark Rutland wrote: > On Wed, Nov 15, 2017 at 01:34:16PM -0800, Sami Tolvanen wrote: > > Use -fno-jump-tables to make sure clang doesn't generate branches > > to EL1 virtual addresses. > > Are there any other reasons that clang might generate absolute > references/relocations? > > It would be nice if there was the option to disable that more generally, > rather than disabling individual optimizations. Is there any PIC/PIE > option that we could use? > > We might need something simnilar for GCC, even if we're not seeing > problems today.
... and likewise for the EFI stub, which needs to be position-independent much like the hyp code.
Thanks, Mark.
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