[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [xen-tip:linux-next 12/12] WARNING: modpost: vmlinux: section mismatch in reference: mc_debug_data+0x0 (section: .data) -> mc_debug_data_early (section: .init.data)
On Wed, Jul 24, 2024 at 11:55:39AM +0200, Jürgen Groß wrote: > I'd prefer a general way to handle this problem, like e.g. some kind of > __refdata tagging for percpu variables. Any reason for not doing the trivial thing? diff --git a/arch/x86/xen/multicalls.c b/arch/x86/xen/multicalls.c index 10c660fae8b3..100bfaba3f4d 100644 --- a/arch/x86/xen/multicalls.c +++ b/arch/x86/xen/multicalls.c @@ -53,7 +53,7 @@ struct mc_debug_data { }; static DEFINE_PER_CPU(struct mc_buffer, mc_buffer); -static struct mc_debug_data mc_debug_data_early __initdata; +static struct mc_debug_data mc_debug_data_early; static DEFINE_PER_CPU(struct mc_debug_data *, mc_debug_data) = &mc_debug_data_early; static struct mc_debug_data __percpu *mc_debug_data_ptr; --- since this breaks randbuilds: WARNING: modpost: vmlinux: section mismatch in reference: mc_debug_data+0x0 (section: .data) -> mc_debug_data_early (section: .init.data) ERROR: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them. make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1 make[2]: *** Deleting file 'Module.symvers' make[1]: *** [/mnt/kernel/kernel/linux/Makefile:1947: modpost] Error 2 make: *** [Makefile:251: __sub-make] Error 2 ? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
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