Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH] module: use hidden visibility for weak symbol references | Date | Wed, 28 Oct 2020 15:12:34 +0000 |
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On Tue, 27 Oct 2020 16:11:32 +0100, Ard Biesheuvel wrote: > Geert reports that commit be2881824ae9eb92 ("arm64/build: Assert for > unwanted sections") results in build errors on arm64 for configurations > that have CONFIG_MODULES disabled. > > The commit in question added ASSERT()s to the arm64 linker script to > ensure that linker generated sections such as .got, .plt etc are empty, > but as it turns out, there are corner cases where the linker does emit > content into those sections. More specifically, weak references to > function symbols (which can remain unsatisfied, and can therefore not > be emitted as relative references) will be emitted as GOT and PLT > entries when linking the kernel in PIE mode (which is the case when > CONFIG_RELOCATABLE is enabled, which is on by default). > > [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] module: use hidden visibility for weak symbol references https://git.kernel.org/arm64/c/13150bc5416f
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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