From: David S. Miller <davem@sunset.davemloft.net>
Date: Sat, 27 Oct 2007 07:23:22 +0000 (-0700)
Subject: [SPARC64]: Fix BACKOFF_SPIN on non-SMP.
X-Git-Tag: Ubuntu-5.13.0-19.19~46459^2~1
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=0aa031d9e047f22679e5ad4069667ec1d22b39dc;p=mirror_ubuntu-jammy-kernel.git

[SPARC64]: Fix BACKOFF_SPIN on non-SMP.

It can't be just empty, it has to at least branch
back to 'label'.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h
index 0e32f8b62fd2..dadd6c385c6c 100644
--- a/include/asm-sparc64/backoff.h
+++ b/include/asm-sparc64/backoff.h
@@ -21,7 +21,9 @@
 #else
 
 #define BACKOFF_SETUP(reg)
-#define BACKOFF_SPIN(reg, tmp, label)
+#define BACKOFF_SPIN(reg, tmp, label) \
+	ba,pt	%xcc, label; \
+	 nop;
 
 #endif