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authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:40 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 12:07:25 +0200
commit9a98e7780022aa7cd201eb8a88a4f1d607b73cde (patch)
tree43e1cb8e889e25bec2d50a9375bcbcf21dc447d6 /arch/x86/kernel/tls.c
parentx86/fpu: Use bitfield accessors for desc_struct (diff)
downloadlinux-9a98e7780022aa7cd201eb8a88a4f1d607b73cde.tar.xz
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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.c2
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);