Messages in this thread | | | Date | Wed, 24 Jun 2020 14:52:31 -0700 | From | Sami Tolvanen <> | Subject | Re: [PATCH 17/22] arm64: vdso: disable LTO |
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On Wed, Jun 24, 2020 at 01:58:57PM -0700, 'Nick Desaulniers' via Clang Built Linux wrote: > On Wed, Jun 24, 2020 at 1:33 PM Sami Tolvanen <samitolvanen@google.com> wrote: > > > > Filter out CC_FLAGS_LTO for the vDSO. > > Just curious about this patch (and the following one for x86's vdso), > do you happen to recall specifically what the issues with the vdso's > are?
I recall the compiler optimizing away functions at some point, but as LTO is not really needed in the vDSO, it's just easiest to disable it there.
Sami
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