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authorChristophe Leroy <christophe.leroy@csgroup.eu>2022-01-21 16:30:27 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2022-02-12 22:47:43 +1100
commitfd1feade75fb1a9275c39d76c5ccdbbbe6b37aa3 (patch)
tree6f34bdf2144d5a3ea59ee140bac7ac29fb3adde3 /arch/powerpc/kernel/vdso32/getcpu.S
parentd88378d8d2c776154c6b606f2a423a81d7795f6f (diff)
powerpc/vdso: Merge vdso64 and vdso32 into a single directory
merge vdso64 into vdso32 and rename it vdso. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/4dbe05cc130f6a0858d09ac72e436c373cb08b70.1642782130.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/vdso32/getcpu.S')
-rw-r--r--arch/powerpc/kernel/vdso32/getcpu.S50
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/powerpc/kernel/vdso32/getcpu.S b/arch/powerpc/kernel/vdso32/getcpu.S
deleted file mode 100644
index 8e08ccf19062..000000000000
--- a/arch/powerpc/kernel/vdso32/getcpu.S
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *
- * Copyright (C) IBM Corporation, 2012
- *
- * Author: Anton Blanchard <anton@au.ibm.com>
- */
-#include <asm/ppc_asm.h>
-#include <asm/vdso.h>
-
- .text
-/*
- * Exact prototype of getcpu
- *
- * int __kernel_getcpu(unsigned *cpu, unsigned *node);
- *
- */
-#if defined(CONFIG_PPC64)
-V_FUNCTION_BEGIN(__kernel_getcpu)
- .cfi_startproc
- mfspr r5,SPRN_SPRG_VDSO_READ
- PPC_LCMPI cr0,r3,0
- PPC_LCMPI cr1,r4,0
- clrlwi r6,r5,16
- rlwinm r7,r5,16,31-15,31-0
- beq cr0,1f
- stw r6,0(r3)
-1: crclr cr0*4+so
- li r3,0 /* always success */
- beqlr cr1
- stw r7,0(r4)
- blr
- .cfi_endproc
-V_FUNCTION_END(__kernel_getcpu)
-#elif !defined(CONFIG_SMP)
-V_FUNCTION_BEGIN(__kernel_getcpu)
- .cfi_startproc
- cmpwi cr0, r3, 0
- cmpwi cr1, r4, 0
- li r5, 0
- beq cr0, 1f
- stw r5, 0(r3)
-1: li r3, 0 /* always success */
- crclr cr0*4+so
- beqlr cr1
- stw r5, 0(r4)
- blr
- .cfi_endproc
-V_FUNCTION_END(__kernel_getcpu)
-#endif