git: ed3066342660 - main - Make the arm64 get_pcpu a function again

The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=ed306634266002a05c88c3a4cd036c99d4cd139a

commit ed306634266002a05c88c3a4cd036c99d4cd139a
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2022-03-08 11:38:51 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2022-03-08 11:54:58 +0000

    Make the arm64 get_pcpu a function again
    
    We assume the pointer returned from get_pcpu will be consistent even
    if the thread is moved to a new CPU. Fix this by partially reverting
    63c858a04d565 to make get_pcpu a function again.
    
    Sponsored by:   The FreeBSD Foundation
---
 sys/arm64/include/pcpu.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sys/arm64/include/pcpu.h b/sys/arm64/include/pcpu.h
index 09f6361c651c..b93f3b2e4816 100644
--- a/sys/arm64/include/pcpu.h
+++ b/sys/arm64/include/pcpu.h
@@ -58,7 +58,14 @@ struct pcpu;
 
 register struct pcpu *pcpup __asm ("x18");
 
-#define	get_pcpu()	pcpup
+static inline struct pcpu *
+get_pcpu(void)
+{
+	struct pcpu *pcpu;
+
+	__asm __volatile("mov   %0, x18" : "=&r"(pcpu));
+	return (pcpu);
+}
 
 static inline struct thread *
 get_curthread(void)