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| author |   Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:40 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-08-29 12:07:25 +0200 |
| commit | 9a98e7780022aa7cd201eb8a88a4f1d607b73cde (patch) | |
| tree | 43e1cb8e889e25bec2d50a9375bcbcf21dc447d6 /arch/x86/kernel/tls.c | |
| parent | x86/fpu: Use bitfield accessors for desc_struct (diff) | |
| download | linux-dev-9a98e7780022aa7cd201eb8a88a4f1d607b73cde.tar.xz linux-dev-9a98e7780022aa7cd201eb8a88a4f1d607b73cde.zip | |
x86/asm: Replace access to desc_struct:a/b fields
The union inside of desc_struct which allows access to the raw u32 parts of
the descriptors. This raw access part is about to go away.
Replace the few code parts which access those fields.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Andy Lutomirski <luto@kernel.org>
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: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064958.120214366@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/tls.c')
| -rw-r--r-- | arch/x86/kernel/tls.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c index dcd699baea1b..a106b9719c58 100644 --- a/arch/x86/kernel/tls.c +++ b/arch/x86/kernel/tls.c @@ -93,7 +93,7 @@ static void set_tls_desc(struct task_struct *p, int idx, while (n-- > 0) { if (LDT_empty(info) || LDT_zero(info)) { - desc->a = desc->b = 0; + memset(desc, 0, sizeof(*desc)); } else { fill_ldt(desc, info); |