Commit-ID: 4bd5bf8c85e6bca5be9e7c4b3d7ad1942ae323f3 Gitweb: http://git.kernel.org/tip/4bd5bf8c85e6bca5be9e7c4b3d7ad1942ae323f3 Author: Oleg Nesterov <[email protected]> AuthorDate: Fri, 13 Mar 2015 19:27:16 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Mon, 23 Mar 2015 10:13:59 +0100
x86/fpu: Don't allocate fpu->state for swapper/0 Now that kthreads do not use FPU until they get executed, swapper/0 doesn't need to allocate fpu->state. Signed-off-by: Oleg Nesterov <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Pekka Riikonen <[email protected]> Cc: Quentin Casasnovas <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Suresh Siddha <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/kernel/xsave.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 65c29b0..ada8df7b 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -680,8 +680,6 @@ void xsave_init(void) static inline void __init eager_fpu_init_bp(void) { - current->thread.fpu.state = - alloc_bootmem_align(xstate_size, __alignof__(struct xsave_struct)); if (!init_xstate_buf) setup_init_fpu_buf(); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

