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-rw-r--r--recipes-kernel/linux/linux-zynqmp-mainline/0005-arm64-Implement-cpu_relax-as-yield.patch33
1 files changed, 0 insertions, 33 deletions
diff --git a/recipes-kernel/linux/linux-zynqmp-mainline/0005-arm64-Implement-cpu_relax-as-yield.patch b/recipes-kernel/linux/linux-zynqmp-mainline/0005-arm64-Implement-cpu_relax-as-yield.patch
deleted file mode 100644
index 5f0c5a6d..00000000
--- a/recipes-kernel/linux/linux-zynqmp-mainline/0005-arm64-Implement-cpu_relax-as-yield.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From 9a7a3eb786ef4d7221c9090f2bd47933fbbdb047 Mon Sep 17 00:00:00 2001
-From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
-Date: Thu, 12 Jun 2014 17:05:42 -0700
-Subject: [PATCH 5/7] arm64: Implement cpu_relax as yield
-
-ARM64 has the yield instruction which has the intended semantics of
-cpu_relax. Implement.
-
-Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
-Signed-off-by: Michal Simek <michal.simek@xilinx.com>
----
- arch/arm64/include/asm/processor.h | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
-diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
-index f9be30e..334144d 100644
---- a/arch/arm64/include/asm/processor.h
-+++ b/arch/arm64/include/asm/processor.h
-@@ -126,7 +126,10 @@ extern void release_thread(struct task_struct *);
-
- unsigned long get_wchan(struct task_struct *p);
-
--#define cpu_relax() barrier()
-+static inline void cpu_relax(void) {
-+ barrier();
-+ asm volatile("yield");
-+}
- #define cpu_relax_lowlatency() cpu_relax()
-
- /* Thread switching */
---
-2.1.1
-