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| author | Andy Lutomirski <luto@kernel.org> | 2016-04-26 12:23:29 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-29 11:56:42 +0200 |
| commit | 296f781a4b7801ad9c1c0219f9e87b6c25e196fe (patch) | |
| tree | 6ef66ab7f992aebabaeb40069919d217f35837fb /arch/x86/kernel/ptrace.c | |
| parent | 731e33e39a5b95ad77017811b3ced32ecf9dc666 (diff) | |
| download | op-kernel-dev-296f781a4b7801ad9c1c0219f9e87b6c25e196fe.zip op-kernel-dev-296f781a4b7801ad9c1c0219f9e87b6c25e196fe.tar.gz | |
x86/asm/64: Rename thread_struct's fs and gs to fsbase and gsbase
Unlike ds and es, these are base addresses, not selectors. Rename
them so their meaning is more obvious.
On x86_32, the field is still called fs. Fixing that could make sense
as a future cleanup.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/69a18a51c4cba0ce29a241e570fc618ad721d908.1461698311.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/ptrace.c')
| -rw-r--r-- | arch/x86/kernel/ptrace.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index e72ab40..e60ef91 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -399,7 +399,7 @@ static int putreg(struct task_struct *child, * to set either thread.fs or thread.fsindex and the * corresponding GDT slot. */ - if (child->thread.fs != value) + if (child->thread.fsbase != value) return do_arch_prctl(child, ARCH_SET_FS, value); return 0; case offsetof(struct user_regs_struct,gs_base): @@ -408,7 +408,7 @@ static int putreg(struct task_struct *child, */ if (value >= TASK_SIZE_OF(child)) return -EIO; - if (child->thread.gs != value) + if (child->thread.gsbase != value) return do_arch_prctl(child, ARCH_SET_GS, value); return 0; #endif @@ -438,14 +438,14 @@ static unsigned long getreg(struct task_struct *task, unsigned long offset) * XXX: This will not behave as expected if called on * current or if fsindex != 0. */ - return task->thread.fs; + return task->thread.fsbase; } case offsetof(struct user_regs_struct, gs_base): { /* * XXX: This will not behave as expected if called on * current or if fsindex != 0. */ - return task->thread.gs; + return task->thread.gsbase; } #endif } |
