diff options
Diffstat (limited to 'arch/tile')
| -rw-r--r-- | arch/tile/Kconfig | 15 | ||||
| -rw-r--r-- | arch/tile/include/asm/cmpxchg.h | 2 | ||||
| -rw-r--r-- | arch/tile/include/asm/page.h | 8 |
3 files changed, 11 insertions, 14 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 106c21bd7f44..be05b4ae02b6 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -19,6 +19,7 @@ config TILE select VIRT_TO_BUS select SYS_HYPERVISOR select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS + select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA @@ -116,9 +117,6 @@ config ARCH_DISCONTIGMEM_DEFAULT config TRACE_IRQFLAGS_SUPPORT def_bool y -config STRICT_DEVMEM - def_bool y - # SMP is required for Tilera Linux. config SMP def_bool y @@ -176,8 +174,6 @@ config NR_CPUS smaller kernel memory footprint results from using a smaller value on chips with fewer tiles. -if TILEGX - choice prompt "Kernel page size" default PAGE_SIZE_64KB @@ -188,8 +184,11 @@ choice connections, etc., it may be better to select 16KB, which uses memory more efficiently at some cost in TLB performance. - Note that this option is TILE-Gx specific; currently - TILEPro page size is set by rebuilding the hypervisor. + Note that for TILEPro, you must also rebuild the hypervisor + with a matching page size. + +config PAGE_SIZE_4KB + bool "4KB" if TILEPRO config PAGE_SIZE_16KB bool "16KB" @@ -199,8 +198,6 @@ config PAGE_SIZE_64KB endchoice -endif - source "kernel/Kconfig.hz" config KEXEC diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h index 0ccda3c425be..25d5899497be 100644 --- a/arch/tile/include/asm/cmpxchg.h +++ b/arch/tile/include/asm/cmpxchg.h @@ -127,8 +127,6 @@ long long _atomic64_cmpxchg(long long *v, long long o, long long n); #endif -#define tas(ptr) xchg((ptr), 1) - #endif /* __ASSEMBLY__ */ #endif /* _ASM_TILE_CMPXCHG_H */ diff --git a/arch/tile/include/asm/page.h b/arch/tile/include/asm/page.h index a213a8d84a95..8eca6a0e1762 100644 --- a/arch/tile/include/asm/page.h +++ b/arch/tile/include/asm/page.h @@ -20,15 +20,17 @@ #include <arch/chip.h> /* PAGE_SHIFT and HPAGE_SHIFT determine the page sizes. */ -#if defined(CONFIG_PAGE_SIZE_16KB) +#if defined(CONFIG_PAGE_SIZE_4KB) /* tilepro only */ +#define PAGE_SHIFT 12 +#define CTX_PAGE_FLAG HV_CTX_PG_SM_4K +#elif defined(CONFIG_PAGE_SIZE_16KB) #define PAGE_SHIFT 14 #define CTX_PAGE_FLAG HV_CTX_PG_SM_16K #elif defined(CONFIG_PAGE_SIZE_64KB) #define PAGE_SHIFT 16 #define CTX_PAGE_FLAG HV_CTX_PG_SM_64K #else -#define PAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_SMALL -#define CTX_PAGE_FLAG 0 +#error Page size not specified in Kconfig #endif #define HPAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_LARGE |
