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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-22 22:04:41 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-22 22:04:41 +0000 |
| commit | 61b80086a525c8a6081257ae40da5dee2bcaee16 (patch) | |
| tree | 675da35e4c03be3a5ca17bf6430e5b51dfed6296 /arch | |
| parent | a5f17d1f4c2831b9b9bf8b1a537cdbac995d6e13 (diff) | |
| parent | 230f984662d7e0e4a9597c665fd4f53130666e7d (diff) | |
Merge branch 'entry-macro-cleanup' of git://sources.calxeda.com/kernel/linux into for-armsoc
Diffstat (limited to 'arch')
113 files changed, 378 insertions, 1771 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a48aecc17ea..7d809b7e050 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -186,6 +186,9 @@ config GENERIC_ISA_DMA config FIQ bool +config NEED_RET_TO_USER + bool + config ARCH_MTD_XIP bool @@ -479,6 +482,7 @@ config ARCH_IOP13XX select ARCH_SUPPORTS_MSI select VMSPLIT_1G select NEED_MACH_MEMORY_H + select NEED_RET_TO_USER help Support for Intel's IOP13XX (XScale) family of processors. @@ -486,6 +490,7 @@ config ARCH_IOP32X bool "IOP32x-based" depends on MMU select CPU_XSCALE + select NEED_RET_TO_USER select PLAT_IOP select PCI select ARCH_REQUIRE_GPIOLIB @@ -497,6 +502,7 @@ config ARCH_IOP33X bool "IOP33x-based" depends on MMU select CPU_XSCALE + select NEED_RET_TO_USER select PLAT_IOP select PCI select ARCH_REQUIRE_GPIOLIB diff --git a/arch/arm/include/asm/hardware/entry-macro-iomd.S b/arch/arm/include/asm/hardware/entry-macro-iomd.S index e0af4983723..8c215acd9b5 100644 --- a/arch/arm/include/asm/hardware/entry-macro-iomd.S +++ b/arch/arm/include/asm/hardware/entry-macro-iomd.S @@ -11,14 +11,6 @@ /* IOC / IOMD based hardware */ #include <asm/hardware/iomd.h> - .macro disable_fiq - mov r12, #ioc_base_high - .if ioc_base_low - orr r12, r12, #ioc_base_low - .endif - strb r12, [r12, #0x38] @ Disable FIQ register - .endm - .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldrb \irqstat, [\base, #IOMD_IRQREQB] @ get high priority first ldr \tmp, =irq_prio_h diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 5d3ed7e3856..314d4664eae 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { pgtable_page_dtor(pte); - tlb_add_flush(tlb, addr); + + /* + * With the classic ARM MMU, a pte page has two corresponding pmd + * entries, each covering 1MB. + */ + addr &= PMD_MASK; + tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); + tlb_add_flush(tlb, addr + SZ_1M); + tlb_remove_page(tlb, pte); } diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 3a456c6c700..22f0ed324f3 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -19,7 +19,9 @@ #include <asm/glue-df.h> #include <asm/glue-pf.h> #include <asm/vfpmacros.h> +#ifndef CONFIG_MULTI_IRQ_HANDLER #include <mach/entry-macro.S> +#endif #include <asm/thread_notify.h> #include <asm/unwind.h> #include <asm/unistd.h> @@ -790,7 +792,7 @@ __kuser_cmpxchg64: @ 0xffff0f60 smp_dmb arm rsbs r0, r3, #0 @ set returned val and C flag ldmfd sp!, {r4, r5, r6, r7} - bx lr + usr_ret lr #elif !defined(CONFIG_SMP) @@ -1101,7 +1103,6 @@ __stubs_start: * get out of that mode without clobbering one register. */ vector_fiq: - disable_fiq subs pc, lr, #4 /*============================================================================= diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 9fd0ba90c1d..54ee265dd81 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -10,9 +10,15 @@ #include <asm/unistd.h> #include <asm/ftrace.h> -#include <mach/entry-macro.S> #include <asm/unwind.h> +#ifdef CONFIG_NEED_RET_TO_USER +#include <mach/entry-macro.S> +#else + .macro arch_ret_to_user, tmp1, tmp2 + .endm +#endif + #include "entry-header.S" diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 460bbbb6b88..6933244c68f 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, }, }, + [C(NODE)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, }; /* @@ |