process.c (5b929bd11df23922daf1be5d52731cc3900c1d79) process.c (9fda6a0681e070b496235b132bc70ceb80300211)
1#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
2
3#include <linux/errno.h>
4#include <linux/kernel.h>
5#include <linux/mm.h>
6#include <linux/smp.h>
7#include <linux/prctl.h>
8#include <linux/slab.h>

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24#include <asm/syscalls.h>
25#include <asm/idle.h>
26#include <asm/uaccess.h>
27#include <asm/mwait.h>
28#include <asm/fpu/internal.h>
29#include <asm/debugreg.h>
30#include <asm/nmi.h>
31#include <asm/tlbflush.h>
1#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
2
3#include <linux/errno.h>
4#include <linux/kernel.h>
5#include <linux/mm.h>
6#include <linux/smp.h>
7#include <linux/prctl.h>
8#include <linux/slab.h>

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24#include <asm/syscalls.h>
25#include <asm/idle.h>
26#include <asm/uaccess.h>
27#include <asm/mwait.h>
28#include <asm/fpu/internal.h>
29#include <asm/debugreg.h>
30#include <asm/nmi.h>
31#include <asm/tlbflush.h>
32#include <asm/vm86.h>
32
33/*
34 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
35 * no more per-task TSS's. The TSS size is kept cacheline-aligned
36 * so they are allowed to end up in the .data..cacheline_aligned
37 * section. Since TSS's are completely CPU-local, we want them
38 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
39 */

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105 * Careful, clear this in the TSS too:
106 */
107 memset(tss->io_bitmap, 0xff, t->io_bitmap_max);
108 t->io_bitmap_max = 0;
109 put_cpu();
110 kfree(bp);
111 }
112
33
34/*
35 * per-CPU TSS segments. Threads are completely 'soft' on Linux,
36 * no more per-task TSS's. The TSS size is kept cacheline-aligned
37 * so they are allowed to end up in the .data..cacheline_aligned
38 * section. Since TSS's are completely CPU-local, we want them
39 * on exact cacheline boundaries, to eliminate cacheline ping-pong.
40 */

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106 * Careful, clear this in the TSS too:
107 */
108 memset(tss->io_bitmap, 0xff, t->io_bitmap_max);
109 t->io_bitmap_max = 0;
110 put_cpu();
111 kfree(bp);
112 }
113
114 free_vm86(t);
115
113 fpu__drop(fpu);
114}
115
116void flush_thread(void)
117{
118 struct task_struct *tsk = current;
119
120 flush_ptrace_hw_breakpoint(tsk);

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117}
118
119void flush_thread(void)
120{
121 struct task_struct *tsk = current;
122
123 flush_ptrace_hw_breakpoint(tsk);

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