disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/kernel/vdso64/cacheflush.S
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..
@@ -1,17 +1,14 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * vDSO provided cache flush routines
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  *
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  * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org),
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  *                    IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <asm/processor.h>
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 #include <asm/ppc_asm.h>
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 #include <asm/vdso.h>
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+#include <asm/vdso_datapage.h>
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 #include <asm/asm-offsets.h>
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 	.text
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@@ -28,14 +25,12 @@
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   .cfi_startproc
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 	mflr	r12
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   .cfi_register lr,r12
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-	mr	r11,r3
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-	bl	V_LOCAL_FUNC(__get_datapage)
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+	get_datapage	r10, r0
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 	mtlr	r12
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-	mr	r10,r3
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 	lwz	r7,CFG_DCACHE_BLOCKSZ(r10)
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 	addi	r5,r7,-1
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-	andc	r6,r11,r5		/* round low to line bdy */
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+	andc	r6,r3,r5		/* round low to line bdy */
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 	subf	r8,r6,r4		/* compute length */
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 	add	r8,r8,r5		/* ensure we get enough */
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 	lwz	r9,CFG_DCACHE_LOGBLOCKSZ(r10)
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@@ -52,7 +47,7 @@
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 	lwz	r7,CFG_ICACHE_BLOCKSZ(r10)
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 	addi	r5,r7,-1
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-	andc	r6,r11,r5		/* round low to line bdy */
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+	andc	r6,r3,r5		/* round low to line bdy */
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 	subf	r8,r6,r4		/* compute length */
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 	add	r8,r8,r5
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 	lwz	r9,CFG_ICACHE_LOGBLOCKSZ(r10)