diff mbox series

powerpc: Export kvm_guest static key, for bcachefs six locks

Message ID 20230914000115.1035594-1-kent.overstreet@linux.dev (mailing list archive)
State Handled Elsewhere, archived
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Series powerpc: Export kvm_guest static key, for bcachefs six locks | expand

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Commit Message

Kent Overstreet Sept. 14, 2023, 12:01 a.m. UTC 
bcachefs's six locks need kvm_guest, via
 ower_on_cpu() ->  vcpu_is_preempted() -> is_kvm_guest()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Cc: linuxppc-dev@lists.ozlabs.org
---
 arch/powerpc/kernel/firmware.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Michael Ellerman Sept. 14, 2023, 2:26 a.m. UTC | #1 
Kent Overstreet <kent.overstreet@linux.dev> writes:
> bcachefs's six locks need kvm_guest, via
>  ower_on_cpu() ->  vcpu_is_preempted() -> is_kvm_guest()
>
> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
> Cc: linuxppc-dev@lists.ozlabs.org
> ---
>  arch/powerpc/kernel/firmware.c | 2 ++
>  1 file changed, 2 insertions(+)

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

I'm happy for you to take this via your tree.

cheers

> diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c
> index 20328f72f9f2..8987eee33dc8 100644
> --- a/arch/powerpc/kernel/firmware.c
> +++ b/arch/powerpc/kernel/firmware.c
> @@ -23,6 +23,8 @@ EXPORT_SYMBOL_GPL(powerpc_firmware_features);
>  
>  #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST)
>  DEFINE_STATIC_KEY_FALSE(kvm_guest);
> +EXPORT_SYMBOL_GPL(kvm_guest);
> +
>  int __init check_kvm_guest(void)
>  {
>  	struct device_node *hyper_node;
> -- 
> 2.40.1
Kent Overstreet Sept. 14, 2023, 7:50 p.m. UTC | #2 
On Thu, Sep 14, 2023 at 12:26:53PM +1000, Michael Ellerman wrote:
> Kent Overstreet <kent.overstreet@linux.dev> writes:
> > bcachefs's six locks need kvm_guest, via
> >  ower_on_cpu() ->  vcpu_is_preempted() -> is_kvm_guest()
> >
> > Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
> > Cc: linuxppc-dev@lists.ozlabs.org
> > ---
> >  arch/powerpc/kernel/firmware.c | 2 ++
> >  1 file changed, 2 insertions(+)
> 
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
> 
> I'm happy for you to take this via your tree.

Thanks!
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c
index 20328f72f9f2..8987eee33dc8 100644
--- a/arch/powerpc/kernel/firmware.c
+++ b/arch/powerpc/kernel/firmware.c
@@ -23,6 +23,8 @@  EXPORT_SYMBOL_GPL(powerpc_firmware_features);
 
 #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST)
 DEFINE_STATIC_KEY_FALSE(kvm_guest);
+EXPORT_SYMBOL_GPL(kvm_guest);
+
 int __init check_kvm_guest(void)
 {
 	struct device_node *hyper_node;