[PATCH] KVM: arm64: Fix section mismatches around hyp_cpu_pm_{init,exit}

Marc Zyngier maz at kernel.org
Tue Dec 29 17:11:07 EST 2020

On 2020-12-29 21:43, Nathan Chancellor wrote:
> Commit fa8c3d65538a ("KVM: arm64: Keep nVHE EL2 vector installed")
> inadvertently changed clang's inlining decisions around
> hyp_cpu_pm_{init,exit}, causing the following section mismatch 
> warnings:
> WARNING: modpost: vmlinux.o(.text+0x95c6c): 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.
> WARNING: modpost: vmlinux.o(.text+0x97054): Section mismatch in
> reference from the function init_subsystems() to the function
> .init.text:hyp_cpu_pm_init()
> The function init_subsystems() references
> the function __init hyp_cpu_pm_init().
> This is often because init_subsystems lacks a __init
> annotation or the annotation of hyp_cpu_pm_init is wrong.
> Remove the __init annotation so that there are no warnings regardless 
> of
> how functions are inlined.
> Fixes: 1fcf7ce0c602 ("arm: kvm: implement CPU PM notifier")
> Fixes: 06a71a24bae5 ("arm64: KVM: unregister notifiers in hyp mode
> teardown path")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1230
> Signed-off-by: Nathan Chancellor <natechancellor at gmail.com>

Hi Nathan,

Already posted[1] last week.



[1] htps://lore.kernel.org/r/20201223120854.255347-1-maz@kernel.org
Jazz is not dead. It just smells funny...

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