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Date: Sun, 03 Jan 2021 16:43:55 +0000 From: Marc Zyngier <maz@...nel.org> To: Arnd Bergmann <arnd@...nel.org> Cc: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>, James Morse <james.morse@....com>, Julien Thierry <julien.thierry.kdev@...il.com>, Suzuki K Poulose <suzuki.poulose@....com>, David Brazdil <dbrazdil@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson <seanjc@...gle.com>, Andrew Scull <ascull@...gle.com>, linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org Subject: Re: [PATCH] KVM: arm64: remove incorrect __init annotation On Sun, 03 Jan 2021 14:00:50 +0000, Arnd Bergmann <arnd@...nel.org> wrote: > > From: Arnd Bergmann <arnd@...db.de> > > When hyp_cpu_pm_exit() is not inlined, it causes a link time warning: > > WARNING: modpost: vmlinux.o(.text+0x39974): Section mismatch in reference from the function kvm_arch_init() to the function .init.text:hyp_cpu_pm_exit() > The function kvm_arch_init() references > the function __init hyp_cpu_pm_exit(). > This is often because kvm_arch_init lacks a __init > annotation or the annotation of hyp_cpu_pm_exit is wrong. > > This is not only called at boot time, so remove the annotation > to prevent undefined behavior in case it gets called after being > freed. It *is* only called at boot time (despite these functions being called from module_init(), KVM cannot be built as a module on arm64). The annotations are wrong nonetheless. > > Signed-off-by: Arnd Bergmann <arnd@...db.de> Posted here [1], and queued for the next batch of fixes. M. [1] https://lore.kernel.org/linux-arm-kernel/20201223120854.255347-1-maz@kernel.org -- Without deviation from the norm, progress is not possible.
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