arm64 fixes for 5.2
- Fix module allocation when running with KASLR enabled - Fix broken build due to bug in LLVM linker (ld.lld) -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAl0Z9bIACgkQt6xw3ITB YzS70gf/Trw6+Yy1dHSyz5f2W9OtedFFv+rEGcvUkF6kYFffw7taNj30K6otjkK7 CYPp9kWYpFhGgE7VwAfQ9NGyAwZ62IvGhQDYdAG72Y39zX7yQ4OHWKdr8K53KYN8 CThcgXxEPoZw1pP7fwXkaBiiljW6JGF64Hv3ybA1vzGmjiv6wdjO3pQlbXkJu4kk xlsLSLOZUDawcRuVNGWwPiToxopVTcAJ3lapYBVmO2dSO00QYv1jvJgV0tK6n68q ZQMJbTdNHLIKMRdLcDBGQAwetWkkZ5LazwuiaHQcSQcRgp7IkKrIvEz8vzkdAvcR jniDc7bbKYlvlJdiquIOH2l1ElEQyQ== =Pp2j -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Fix a build failure with the LLVM linker and a module allocation failure when KASLR is active: - Fix module allocation when running with KASLR enabled - Fix broken build due to bug in LLVM linker (ld.lld)" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64/efi: Mark __efistub_stext_offset as an absolute symbol explicitly arm64: kaslr: keep modules inside module region when KASAN is enabled
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4b1fe9b58e
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@ -67,7 +67,11 @@
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#ifdef CONFIG_EFI
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__efistub_stext_offset = stext - _text;
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/*
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* Use ABSOLUTE() to avoid ld.lld treating this as a relative symbol:
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* https://github.com/ClangBuiltLinux/linux/issues/561
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*/
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__efistub_stext_offset = ABSOLUTE(stext - _text);
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/*
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* The EFI stub has its own symbol namespace prefixed by __efistub_, to
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@ -21,6 +21,7 @@
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void *module_alloc(unsigned long size)
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{
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u64 module_alloc_end = module_alloc_base + MODULES_VSIZE;
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gfp_t gfp_mask = GFP_KERNEL;
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void *p;
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@ -28,9 +29,12 @@ void *module_alloc(unsigned long size)
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if (IS_ENABLED(CONFIG_ARM64_MODULE_PLTS))
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gfp_mask |= __GFP_NOWARN;
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if (IS_ENABLED(CONFIG_KASAN))
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/* don't exceed the static module region - see below */
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module_alloc_end = MODULES_END;
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p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
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module_alloc_base + MODULES_VSIZE,
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gfp_mask, PAGE_KERNEL_EXEC, 0,
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module_alloc_end, gfp_mask, PAGE_KERNEL_EXEC, 0,
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NUMA_NO_NODE, __builtin_return_address(0));
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if (!p && IS_ENABLED(CONFIG_ARM64_MODULE_PLTS) &&
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