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From: Kent Overstreet <kent.overstreet@linux.dev>
To: linux-bcachefs@vger.kernel.org
Cc: Kent Overstreet <kent.overstreet@linux.dev>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc: Export kvm_guest static key, for bcachefs six locks
Date: Wed, 13 Sep 2023 20:01:15 -0400	[thread overview]
Message-ID: <20230914000115.1035594-1-kent.overstreet@linux.dev> (raw)

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(+)

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


             reply	other threads:[~2023-09-14  0:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-14  0:01 Kent Overstreet [this message]
2023-09-14  2:26 ` [PATCH] powerpc: Export kvm_guest static key, for bcachefs six locks Michael Ellerman
2023-09-14 19:50   ` Kent Overstreet

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