linux-kernel - [PATCH 17/17] x86-64: Remove pda.h

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Message-Id: <1232115396-26367-17-git-send-email-brgerst@gmail.com>
Date:	Fri, 16 Jan 2009 09:16:36 -0500
From:	Brian Gerst <brgerst@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Brian Gerst <brgerst@...il.com>
Subject: [PATCH 17/17] x86-64: Remove pda.h

Signed-off-by: Brian Gerst <brgerst@...il.com>
---
 arch/x86/include/asm/pda.h        |   39 -------------------------------------
 arch/x86/include/asm/pgtable_64.h |    1 -
 arch/x86/include/asm/smp.h        |    1 -
 arch/x86/kernel/cpu/common.c      |    1 -
 arch/x86/kernel/process_64.c      |    1 -
 arch/x86/kernel/traps.c           |    1 -
 6 files changed, 0 insertions(+), 44 deletions(-)
 delete mode 100644 arch/x86/include/asm/pda.h

diff --git a/arch/x86/include/asm/pda.h b/arch/x86/include/asm/pda.h
deleted file mode 100644
index ba46416..0000000
--- a/arch/x86/include/asm/pda.h
+++ /dev/null
@@ -1,39 +0,0 @@
-#ifndef _ASM_X86_PDA_H
-#define _ASM_X86_PDA_H
-
-#ifndef __ASSEMBLY__
-#include <linux/stddef.h>
-#include <linux/types.h>
-#include <linux/cache.h>
-#include <linux/threads.h>
-#include <asm/page.h>
-#include <asm/percpu.h>
-
-/* Per processor datastructure. %gs points to it while the kernel runs */
-struct x8664_pda {
-	unsigned long unused1;
-	unsigned long unused2;
-	unsigned long unused3;
-	unsigned long unused4;
-	int unused5;
-	unsigned int unused6;		/* 36 was cpunumber */
-	short in_bootmem;		/* pda lives in bootmem */
-} ____cacheline_aligned_in_smp;
-
-DECLARE_PER_CPU(struct x8664_pda, __pda);
-
-#define cpu_pda(cpu)		(&per_cpu(__pda, cpu))
-
-#define read_pda(field)		percpu_read(__pda.field)
-#define write_pda(field, val)	percpu_write(__pda.field, val)
-#define add_pda(field, val)	percpu_add(__pda.field, val)
-#define sub_pda(field, val)	percpu_sub(__pda.field, val)
-#define or_pda(field, val)	percpu_or(__pda.field, val)
-
-/* This is not atomic against other CPUs -- CPU preemption needs to be off */
-#define test_and_clear_bit_pda(bit, field)				\
-	x86_test_and_clear_bit_percpu(bit, __pda.field)
-
-#endif
-
-#endif /* _ASM_X86_PDA_H */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index ba09289..1df9637 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -11,7 +11,6 @@
 #include <asm/processor.h>
 #include <linux/bitops.h>
 #include <linux/threads.h>
-#include <asm/pda.h>
 
 extern pud_t level3_kernel_pgt[512];
 extern pud_t level3_ident_pgt[512];
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 68636e7..45ef8a1 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -15,7 +15,6 @@
 #  include <asm/io_apic.h>
 # endif
 #endif
-#include <asm/pda.h>
 #include <asm/thread_info.h>
 #include <asm/cpumask.h>
 
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index cc4e398..6b11925 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -30,7 +30,6 @@
 #include <asm/genapic.h>
 #endif
 
-#include <asm/pda.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/desc.h>
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 458e1de..79499ea 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -46,7 +46,6 @@
 #include <asm/processor.h>
 #include <asm/i387.h>
 #include <asm/mmu_context.h>
-#include <asm/pda.h>
 #include <asm/prctl.h>
 #include <asm/desc.h>
 #include <asm/proto.h>
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 98c2d05..ed5aee5 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -59,7 +59,6 @@
 #ifdef CONFIG_X86_64
 #include <asm/pgalloc.h>
 #include <asm/proto.h>
-#include <asm/pda.h>
 #else
 #include <asm/processor-flags.h>
 #include <asm/arch_hooks.h>
-- 
1.6.1.rc1

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