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authorThomas Gleixner <tglx@linutronix.de>2019-11-12 01:03:16 +0300
committerThomas Gleixner <tglx@linutronix.de>2019-11-16 13:23:59 +0300
commit2fff071d28b54f050f62654dad4ec111b8416d8e (patch)
tree03b6d5c3772dd8b9a9c445f03b58826d083720df /arch/x86/include/asm/ptrace.h
parent8c40397f22a4ff7996d3abdc2d9d1d90f9fc8054 (diff)
downloadlinux-2fff071d28b54f050f62654dad4ec111b8416d8e.tar.xz
x86/process: Unify copy_thread_tls()
While looking at the TSS io bitmap it turned out that any change in that area would require identical changes to copy_thread_tls(). The 32 and 64 bit variants share sufficient code to consolidate them into a common function to avoid duplication of upcoming modifications. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/ptrace.h')
-rw-r--r--arch/x86/include/asm/ptrace.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 332eb3525867..5057a8ed100b 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -361,5 +361,11 @@ extern int do_get_thread_area(struct task_struct *p, int idx,
extern int do_set_thread_area(struct task_struct *p, int idx,
struct user_desc __user *info, int can_allocate);
+#ifdef CONFIG_X86_64
+# define do_set_thread_area_64(p, s, t) do_arch_prctl_64(p, s, t)
+#else
+# define do_set_thread_area_64(p, s, t) (0)
+#endif
+
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_PTRACE_H */