diff mbox series

[v3,03/11] kvm: arm64: Only define __kvm_ex_table for CONFIG_KVM

Message ID 20200916173439.32265-4-dbrazdil@google.com (mailing list archive)
State New, archived
Headers show
Series Independent per-CPU data section for nVHE | expand

Commit Message

David Brazdil Sept. 16, 2020, 5:34 p.m. UTC 
Minor cleanup that only creates __kvm_ex_table ELF section and
related symbols if CONFIG_KVM is enabled.

Signed-off-by: David Brazdil <dbrazdil@google.com>
---
 arch/arm64/kernel/vmlinux.lds.S | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Will Deacon Sept. 18, 2020, 9 a.m. UTC | #1 
On Wed, Sep 16, 2020 at 06:34:31PM +0100, David Brazdil wrote:
> Minor cleanup that only creates __kvm_ex_table ELF section and
> related symbols if CONFIG_KVM is enabled.
> 
> Signed-off-by: David Brazdil <dbrazdil@google.com>
> ---
>  arch/arm64/kernel/vmlinux.lds.S | 4 ++++
>  1 file changed, 4 insertions(+)

It's also useful because we're about to add another entry here, so:

Acked-by: Will Deacon <will@kernel.org>

Will
diff mbox series

Patch

diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 7cba7623fcec..0d543570e811 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -21,11 +21,15 @@  ENTRY(_text)
 jiffies = jiffies_64;
 
 
+#ifdef CONFIG_KVM
 #define HYPERVISOR_EXTABLE					\
 	. = ALIGN(SZ_8);					\
 	__start___kvm_ex_table = .;				\
 	*(__kvm_ex_table)					\
 	__stop___kvm_ex_table = .;
+#else /* CONFIG_KVM */
+#define HYPERVISOR_EXTABLE
+#endif
 
 #define HYPERVISOR_TEXT					\
 	/*						\