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author | Ingo Molnar <mingo@elte.hu> | 2009-01-21 10:39:51 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 10:39:51 +0100 |
commit | 198030782cedf25391e67e7c88b04f87a5eb6563 (patch) | |
tree | 5b7368c6bf052bcb4bb273497a57900720d36f51 /arch/alpha | |
parent | 4ec71fa2d2c3f1040348f2604f4b8ccc833d1c2e (diff) | |
parent | 92181f190b649f7ef2b79cbf5c00f26ccc66da2a (diff) | |
download | lwn-198030782cedf25391e67e7c88b04f87a5eb6563.tar.gz lwn-198030782cedf25391e67e7c88b04f87a5eb6563.zip |
Merge branch 'x86/mm' into core/percpu
Conflicts:
arch/x86/mm/fault.c
Diffstat (limited to 'arch/alpha')
-rw-r--r-- | arch/alpha/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/alpha/include/asm/byteorder.h | 1 | ||||
-rw-r--r-- | arch/alpha/include/asm/machvec.h | 4 | ||||
-rw-r--r-- | arch/alpha/include/asm/pgalloc.h | 7 | ||||
-rw-r--r-- | arch/alpha/include/asm/rtc.h | 12 | ||||
-rw-r--r-- | arch/alpha/kernel/.gitignore | 1 | ||||
-rw-r--r-- | arch/alpha/kernel/core_marvel.c | 10 | ||||
-rw-r--r-- | arch/alpha/kernel/entry.S | 8 | ||||
-rw-r--r-- | arch/alpha/kernel/irq_srm.c | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/machvec_impl.h | 5 | ||||
-rw-r--r-- | arch/alpha/kernel/proto.h | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/sys_jensen.c | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/sys_marvel.c | 56 | ||||
-rw-r--r-- | arch/alpha/kernel/sys_nautilus.c | 4 | ||||
-rw-r--r-- | arch/alpha/kernel/systbls.S | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/time.c | 10 | ||||
-rw-r--r-- | arch/alpha/mm/init.c | 7 |
17 files changed, 105 insertions, 29 deletions
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 4dad27360576..b7c8f188b313 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -9,4 +9,3 @@ unifdef-y += console.h unifdef-y += fpu.h unifdef-y += sysinfo.h unifdef-y += compiler.h -unifdef-y += swab.h diff --git a/arch/alpha/include/asm/byteorder.h b/arch/alpha/include/asm/byteorder.h index 6772f3168701..73683093202d 100644 --- a/arch/alpha/include/asm/byteorder.h +++ b/arch/alpha/include/asm/byteorder.h @@ -1,7 +1,6 @@ #ifndef _ALPHA_BYTEORDER_H #define _ALPHA_BYTEORDER_H -#include <asm/swab.h> #include <linux/byteorder/little_endian.h> #endif /* _ALPHA_BYTEORDER_H */ diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h index a86c083cdf7f..fea4ea75b79d 100644 --- a/arch/alpha/include/asm/machvec.h +++ b/arch/alpha/include/asm/machvec.h @@ -21,6 +21,7 @@ struct pci_dev; struct pci_ops; struct pci_controller; struct _alpha_agp_info; +struct rtc_time; struct alpha_machine_vector { @@ -94,6 +95,9 @@ struct alpha_machine_vector struct _alpha_agp_info *(*agp_info)(void); + unsigned int (*rtc_get_time)(struct rtc_time *); + int (*rtc_set_time)(struct rtc_time *); + const char *vector_name; /* NUMA information */ diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h index fd090155dccd..bc2a0daf2d92 100644 --- a/arch/alpha/include/asm/pgalloc.h +++ b/arch/alpha/include/asm/pgalloc.h @@ -50,7 +50,12 @@ pmd_free(struct mm_struct *mm, pmd_t *pmd) free_page((unsigned long)pmd); } -extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); +static inline pte_t * +pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) +{ + pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); + return pte; +} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) diff --git a/arch/alpha/include/asm/rtc.h b/arch/alpha/include/asm/rtc.h index 4e854b1333eb..1f7fba671ae6 100644 --- a/arch/alpha/include/asm/rtc.h +++ b/arch/alpha/include/asm/rtc.h @@ -1,9 +1,15 @@ #ifndef _ALPHA_RTC_H #define _ALPHA_RTC_H -/* - * Alpha uses the default access methods for the RTC. - */ +#if defined(CONFIG_ALPHA_GENERIC) +# define get_rtc_time alpha_mv.rtc_get_time +# define set_rtc_time alpha_mv.rtc_set_time +#else +# if defined(CONFIG_ALPHA_MARVEL) && defined(CONFIG_SMP) +# define get_rtc_time marvel_get_rtc_time +# define set_rtc_time marvel_set_rtc_time +# endif +#endif #include <asm-generic/rtc.h> diff --git a/arch/alpha/kernel/.gitignore b/arch/alpha/kernel/.gitignore new file mode 100644 index 000000000000..c5f676c3c224 --- /dev/null +++ b/arch/alpha/kernel/.gitignore @@ -0,0 +1 @@ +vmlinux.lds diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index 9cd8dca742a7..e302daecbe56 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -658,16 +658,8 @@ __marvel_rtc_io(u8 b, unsigned long addr, int write) rtc_access.data = bcd2bin(b); rtc_access.function = 0x48 + !write; /* GET/PUT_TOY */ -#ifdef CONFIG_SMP - if (smp_processor_id() != boot_cpuid) - smp_call_function_single(boot_cpuid, - __marvel_access_rtc, - &rtc_access, 1); - else - __marvel_access_rtc(&rtc_access); -#else __marvel_access_rtc(&rtc_access); -#endif + ret = bin2bcd(rtc_access.data); break; diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index f77345bc66a9..aa2e50cf9857 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S @@ -896,9 +896,9 @@ sys_getxpid: .end sys_getxpid .align 4 - .globl sys_pipe - .ent sys_pipe -sys_pipe: + .globl sys_alpha_pipe + .ent sys_alpha_pipe +sys_alpha_pipe: lda $sp, -16($sp) stq $26, 0($sp) .prologue 0 @@ -916,7 +916,7 @@ sys_pipe: stq $1, 80+16($sp) 1: lda $sp, 16($sp) ret -.end sys_pipe +.end sys_alpha_pipe .align 4 .globl sys_execve diff --git a/arch/alpha/kernel/irq_srm.c b/arch/alpha/kernel/irq_srm.c index 32212014fbe9..a03fbca4940e 100644 --- a/arch/alpha/kernel/irq_srm.c +++ b/arch/alpha/kernel/irq_srm.c @@ -63,6 +63,8 @@ init_srm_irqs(long max, unsigned long ignore_mask) { long i; + if (NR_IRQS <= 16) + return; for (i = 16; i < max; ++i) { if (i < 64 && ((ignore_mask >> i) & 1)) continue; diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h index 466c9dff8181..512685f78097 100644 --- a/arch/alpha/kernel/machvec_impl.h +++ b/arch/alpha/kernel/machvec_impl.h @@ -40,7 +40,10 @@ #define CAT1(x,y) x##y #define CAT(x,y) CAT1(x,y) -#define DO_DEFAULT_RTC .rtc_port = 0x70 +#define DO_DEFAULT_RTC \ + .rtc_port = 0x70, \ + .rtc_get_time = common_get_rtc_time, \ + .rtc_set_time = common_set_rtc_time #define DO_EV4_MMU \ .max_asn = EV4_MAX_ASN, \ diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h index 708d5ca87782..fe14c6747cd6 100644 --- a/arch/alpha/kernel/proto.h +++ b/arch/alpha/kernel/proto.h @@ -145,6 +145,8 @@ extern void smp_percpu_timer_interrupt(struct pt_regs *); extern irqreturn_t timer_interrupt(int irq, void *dev); extern void common_init_rtc(void); extern unsigned long est_cycle_freq; +extern unsigned int common_get_rtc_time(struct rtc_time *time); +extern int common_set_rtc_time(struct rtc_time *time); /* smc37c93x.c */ extern void SMC93x_Init(void); diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c index 2c3de97de46c..e2516f9a8967 100644 --- a/arch/alpha/kernel/sys_jensen.c +++ b/arch/alpha/kernel/sys_jensen.c @@ -261,6 +261,8 @@ struct alpha_machine_vector jensen_mv __initmv = { .machine_check = jensen_machine_check, .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, .rtc_port = 0x170, + .rtc_get_time = common_get_rtc_time, + .rtc_set_time = common_set_rtc_time, .nr_irqs = 16, .device_interrupt = jensen_device_interrupt, diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 828449cd2636..c5a1a2438c67 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -23,6 +23,7 @@ #include <asm/hwrpb.h> #include <asm/tlbflush.h> #include <asm/vga.h> +#include <asm/rtc.h> #include "proto.h" #include "err_impl.h" @@ -426,6 +427,57 @@ marvel_init_rtc(void) init_rtc_irq(); } +struct marvel_rtc_time { + struct rtc_time *time; + int retval; +}; + +#ifdef CONFIG_SMP +static void +smp_get_rtc_time(void *data) +{ + struct marvel_rtc_time *mrt = data; + mrt->retval = __get_rtc_time(mrt->time); +} + +static void +smp_set_rtc_time(void *data) +{ + struct marvel_rtc_time *mrt = data; + mrt->retval = __set_rtc_time(mrt->time); +} +#endif + +static unsigned int +marvel_get_rtc_time(struct rtc_time *time) +{ +#ifdef CONFIG_SMP + struct marvel_rtc_time mrt; + + if (smp_processor_id() != boot_cpuid) { + mrt.time = time; + smp_call_function_single(boot_cpuid, smp_get_rtc_time, &mrt, 1); + return mrt.retval; + } +#endif + return __get_rtc_time(time); +} + +static int +marvel_set_rtc_time(struct rtc_time *time) +{ +#ifdef CONFIG_SMP + struct marvel_rtc_time mrt; + + if (smp_processor_id() != boot_cpuid) { + mrt.time = time; + smp_call_function_single(boot_cpuid, smp_set_rtc_time, &mrt, 1); + return mrt.retval; + } +#endif + return __set_rtc_time(time); +} + static void marvel_smp_callin(void) { @@ -466,7 +518,9 @@ marvel_smp_callin(void) struct alpha_machine_vector marvel_ev7_mv __initmv = { .vector_name = "MARVEL/EV7", DO_EV7_MMU, - DO_DEFAULT_RTC, + .rtc_port = 0x70, + .rtc_get_time = marvel_get_rtc_time, + .rtc_set_time = marvel_set_rtc_time, DO_MARVEL_IO, .machine_check = marvel_machine_check, .max_isa_dma_address = ALPHA_MAX_ISA_DMA_ADDRESS, diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index a7f23b5ab814..99c0f46f6b9c 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -245,6 +245,10 @@ nautilus_init_pci(void) IRONGATE0->pci_mem = pci_mem; pci_bus_assign_resources(bus); + + /* pci_common_swizzle() relies on bus->self being NULL + for the root bus, so just clear it. */ + bus->self = NULL; pci_fixup_irqs(alpha_mv.pci_swizzle, alpha_mv.pci_map_irq); } diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index ba914af18c4f..9d9e3a98bb95 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -52,7 +52,7 @@ sys_call_table: .quad sys_setpgid .quad alpha_ni_syscall /* 40 */ .quad sys_dup - .quad sys_pipe + .quad sys_alpha_pipe .quad osf_set_program_attributes .quad alpha_ni_syscall .quad sys_open /* 45 */ diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index e6a231435cba..b04e2cbf23a4 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -46,6 +46,7 @@ #include <asm/io.h> #include <asm/hwrpb.h> #include <asm/8253pit.h> +#include <asm/rtc.h> #include <linux/mc146818rtc.h> #include <linux/time.h> @@ -180,6 +181,15 @@ common_init_rtc(void) init_rtc_irq(); } +unsigned int common_get_rtc_time(struct rtc_time *time) +{ + return __get_rtc_time(time); +} + +int common_set_rtc_time(struct rtc_time *time) +{ + return __set_rtc_time(time); +} /* Validate a computed cycle counter result against the known bounds for the given processor core. There's too much brokenness in the way of diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 234e42b8ee74..5d7a16eab312 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -59,13 +59,6 @@ pgd_alloc(struct mm_struct *mm) return ret; } -pte_t * -pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) -{ - pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); - return pte; -} - /* * BAD_PAGE is the page that is used for page faults when linux |