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MIPS: Octeon: Set kernel_uses_llsc to false on non-SMP builds.

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Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney
2009-07-13 11:15:20 -07:00
committed by Ralf Baechle
parent b791d1193a
commit 9d24bafb0d
1 changed files with 9 additions and 5 deletions
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14
arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
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@@ -31,12 +31,16 @@
#define cpu_has_cache_cdex_s 0 #define cpu_has_cache_cdex_s 0
#define cpu_has_prefetch 1 #define cpu_has_prefetch 1
/*
* We should disable LL/SC on non SMP systems as it is faster to
* disable interrupts for atomic access than a LL/SC. Unfortunatly we
* cannot as this breaks asm/futex.h
*/
#define cpu_has_llsc 1 #define cpu_has_llsc 1
/*
* We Disable LL/SC on non SMP systems as it is faster to disable
* interrupts for atomic access than a LL/SC.
*/
#ifdef CONFIG_SMP
# define kernel_uses_llsc 1
#else
# define kernel_uses_llsc 0
#endif
#define cpu_has_vtag_icache 1 #define cpu_has_vtag_icache 1
#define cpu_has_dc_aliases 0 #define cpu_has_dc_aliases 0
#define cpu_has_ic_fills_f_dc 0 #define cpu_has_ic_fills_f_dc 0