[PATCH v3 5/5] powerpc/vdso: Move cvdso_call macro into gettimeofday.S

Christophe Leroy christophe.leroy at csgroup.eu
Fri Jan 21 21:05:30 AEDT 2022


Now that gettimeofday.S is unique, move cvdso_call macro
into that file which is the only user.

Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
---
 arch/powerpc/include/asm/vdso/gettimeofday.h | 52 +-------------------
 arch/powerpc/kernel/vdso/gettimeofday.S      | 44 ++++++++++++++++-
 2 files changed, 45 insertions(+), 51 deletions(-)

diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h
index df00e91c9a90..f0a4cf01e85c 100644
--- a/arch/powerpc/include/asm/vdso/gettimeofday.h
+++ b/arch/powerpc/include/asm/vdso/gettimeofday.h
@@ -2,57 +2,9 @@
 #ifndef _ASM_POWERPC_VDSO_GETTIMEOFDAY_H
 #define _ASM_POWERPC_VDSO_GETTIMEOFDAY_H
 
-#include <asm/page.h>
-
-#ifdef __ASSEMBLY__
-
-#include <asm/ppc_asm.h>
-
-/*
- * The macro sets two stack frames, one for the caller and one for the callee
- * because there are no requirement for the caller to set a stack frame when
- * calling VDSO so it may have omitted to set one, especially on PPC64
- */
-
-.macro cvdso_call funct call_time=0
-  .cfi_startproc
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	mflr		r0
-  .cfi_register lr, r0
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	PPC_STL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_STL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	get_datapage	r5
-	.ifeq	\call_time
-	addi		r5, r5, VDSO_DATA_OFFSET
-	.else
-	addi		r4, r5, VDSO_DATA_OFFSET
-	.endif
-	bl		DOTSYM(\funct)
-	PPC_LL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_LL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	.ifeq	\call_time
-	cmpwi		r3, 0
-	.endif
-	mtlr		r0
-  .cfi_restore lr
-	addi		r1, r1, 2 * PPC_MIN_STKFRM
-	crclr		so
-	.ifeq	\call_time
-	beqlr+
-	crset		so
-	neg		r3, r3
-	.endif
-	blr
-  .cfi_endproc
-.endm
-
-#else
+#ifndef __ASSEMBLY__
 
+#include <asm/page.h>
 #include <asm/vdso/timebase.h>
 #include <asm/barrier.h>
 #include <asm/unistd.h>
diff --git a/arch/powerpc/kernel/vdso/gettimeofday.S b/arch/powerpc/kernel/vdso/gettimeofday.S
index c875312274aa..11e0b911c923 100644
--- a/arch/powerpc/kernel/vdso/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso/gettimeofday.S
@@ -12,7 +12,49 @@
 #include <asm/vdso_datapage.h>
 #include <asm/asm-offsets.h>
 #include <asm/unistd.h>
-#include <asm/vdso/gettimeofday.h>
+
+/*
+ * The macro sets two stack frames, one for the caller and one for the callee
+ * because there are no requirement for the caller to set a stack frame when
+ * calling VDSO so it may have omitted to set one, especially on PPC64
+ */
+
+.macro cvdso_call funct call_time=0
+  .cfi_startproc
+	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
+	mflr		r0
+  .cfi_register lr, r0
+	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
+	PPC_STL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
+#ifdef __powerpc64__
+	PPC_STL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
+#endif
+	get_datapage	r5
+	.ifeq	\call_time
+	addi		r5, r5, VDSO_DATA_OFFSET
+	.else
+	addi		r4, r5, VDSO_DATA_OFFSET
+	.endif
+	bl		DOTSYM(\funct)
+	PPC_LL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
+#ifdef __powerpc64__
+	PPC_LL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
+#endif
+	.ifeq	\call_time
+	cmpwi		r3, 0
+	.endif
+	mtlr		r0
+  .cfi_restore lr
+	addi		r1, r1, 2 * PPC_MIN_STKFRM
+	crclr		so
+	.ifeq	\call_time
+	beqlr+
+	crset		so
+	neg		r3, r3
+	.endif
+	blr
+  .cfi_endproc
+.endm
 
 	.text
 /*
-- 
2.33.1


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