From eefc3f329d93404bfe1285d5b2f4380fede42e89 Mon Sep 17 00:00:00 2001 From: Andrea Gelmini Date: Thu, 5 Aug 2010 15:51:25 +0200 Subject: MIPS: Fix a typo. "Userpace" -> "Userspace" Signed-off-by: Andrea Gelmini Cc: Andrea Gelmini Cc: Jason Wessel Cc: Martin Hicks Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1536/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index 1f4e2fa64140..f4546e97c60d 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -283,7 +283,7 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, struct pt_regs *regs = args->regs; int trap = (regs->cp0_cause & 0x7c) >> 2; - /* Userpace events, ignore. */ + /* Userspace events, ignore. */ if (user_mode(regs)) return NOTIFY_DONE; -- cgit v1.2.3-58-ga151 From 26deda5ceedbe28df4beb3b98e3fbce281b53a07 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 5 Aug 2010 22:17:22 +0200 Subject: MIPS: kspd: Adjust confusing if indentation Indent the branch of an if. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @r disable braces4@ position p1,p2; statement S1,S2; @@ ( if (...) { ... } | if (...) S1@p1 S2@p2 ) @script:python@ p1 << r.p1; p2 << r.p2; @@ if (p1[0].column == p2[0].column): cocci.print_main("branch",p1) cocci.print_secs("after",p2) // Signed-off-by: Julia Lawall To: linux-mips@linux-mips.org To: linux-kernel@vger.kernel.org To: kernel-janitors@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1539/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/kspd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index 80e2ba694bab..29811f043399 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -251,7 +251,7 @@ void sp_work_handle_request(void) memset(&tz, 0, sizeof(tz)); if ((ret.retval = sp_syscall(__NR_gettimeofday, (int)&tv, (int)&tz, 0, 0)) == 0) - ret.retval = tv.tv_sec; + ret.retval = tv.tv_sec; break; case MTSP_SYSCALL_EXIT: -- cgit v1.2.3-58-ga151 From 543001f8d8a878c3babe4525cb16d83d25c16762 Mon Sep 17 00:00:00 2001 From: Ricardo Mendoza Date: Fri, 6 Aug 2010 11:12:57 -0430 Subject: MIPS: RM7000: Symbol should be static Signed-off-by: Ricardo Mendoza To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1540/ Signed-off-by: Ralf Baechle --- arch/mips/mm/sc-rm7k.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c index 1ef75cd80a0d..274af3be1442 100644 --- a/arch/mips/mm/sc-rm7k.c +++ b/arch/mips/mm/sc-rm7k.c @@ -30,7 +30,7 @@ #define tc_lsize 32 extern unsigned long icache_way_size, dcache_way_size; -unsigned long tcache_size; +static unsigned long tcache_size; #include -- cgit v1.2.3-58-ga151 From 2b78920d19870561a8b7503b8e869a6da5f07d3f Mon Sep 17 00:00:00 2001 From: Deng-Cheng Zhu Date: Wed, 9 Jun 2010 12:35:25 +0800 Subject: MIPS: Use generic atomic64 for 32-bit kernels The 64-bit kernel has already had its atomic64 functions. Except for that, we use the generic spinlocked version. The atomic64 types and related functions are needed for the Linux performance counter subsystem. Signed-off-by: Deng-Cheng Zhu To: linux-mips@linux-mips.org Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org Cc: mingo@elte.hu Cc: acme@redhat.com Cc: jamie.iles@picochip.com Patchwork: https://patchwork.linux-mips.org/patch/1361/ Acked-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 1 + arch/mips/include/asm/atomic.h | 4 ++++ 2 files changed, 5 insertions(+) (limited to 'arch') diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 3ad59dde4852..ec410009e8f0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -13,6 +13,7 @@ config MIPS select HAVE_KPROBES select HAVE_KRETPROBES select RTC_LIB if !MACH_LOONGSON + select GENERIC_ATOMIC64 if !64BIT mainmenu "Linux/MIPS Kernel Configuration" diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index c63c56bfd184..47d87da379f9 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) */ #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0) +#else /* !CONFIG_64BIT */ + +#include + #endif /* CONFIG_64BIT */ /* -- cgit v1.2.3-58-ga151 From 1ec0e739766b29c9d93d8a4cff68b1cb2e962cde Mon Sep 17 00:00:00 2001 From: Andreas Bießmann Date: Wed, 11 Aug 2010 18:49:53 +0200 Subject: MIPS: Octeon: Determine if helper needs to be built MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds an config switch to determine if we need to build some workaround helper files. The staging driver octeon-ethernet references some symbols which are only built when PCI is enabled. The new config switch enables these symbols in bothe cases. Signed-off-by: Andreas Bießmann To: linux-kernel@vger.kernel.org Cc: Andreas Bießmann Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1543/ Acked-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/Kconfig | 4 ++++ arch/mips/cavium-octeon/executive/Makefile | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig index 094c17e38e16..47323ca452dc 100644 --- a/arch/mips/cavium-octeon/Kconfig +++ b/arch/mips/cavium-octeon/Kconfig @@ -83,3 +83,7 @@ config ARCH_SPARSEMEM_ENABLE def_bool y select SPARSEMEM_STATIC depends on CPU_CAVIUM_OCTEON + +config CAVIUM_OCTEON_HELPER + def_bool y + depends on OCTEON_ETHERNET || PCI diff --git a/arch/mips/cavium-octeon/executive/Makefile b/arch/mips/cavium-octeon/executive/Makefile index 2fd66db6939e..7f41c5be2190 100644 --- a/arch/mips/cavium-octeon/executive/Makefile +++ b/arch/mips/cavium-octeon/executive/Makefile @@ -11,4 +11,4 @@ obj-y += cvmx-bootmem.o cvmx-l2c.o cvmx-sysinfo.o octeon-model.o -obj-$(CONFIG_PCI) += cvmx-helper-errata.o cvmx-helper-jtag.o +obj-$(CONFIG_CAVIUM_OCTEON_HELPER) += cvmx-helper-errata.o cvmx-helper-jtag.o -- cgit v1.2.3-58-ga151 From 5707bf6bcecd85d01ea22e8b28cf66170068475f Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 17 Aug 2010 16:01:59 +0100 Subject: MIPS: Document why RELOC_HIDE is there. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/page.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch') diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index a16beafcea91..e59cd1ac09c2 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -150,6 +150,20 @@ typedef struct { unsigned long pgprot; } pgprot_t; ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET) #endif #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET)) + +/* + * RELOC_HIDE was originally added by 6007b903dfe5f1d13e0c711ac2894bdd4a61b1ad + * (lmo) rsp. 8431fd094d625b94d364fe393076ccef88e6ce18 (kernel.org). The + * discussion can be found in lkml posting + * which is + * archived at http://lists.linuxcoding.com/kernel/2006-q3/msg17360.html + * + * It is unclear if the misscompilations mentioned in + * http://lkml.org/lkml/2010/8/8/138 also affect MIPS so we keep this one + * until GCC 3.x has been retired before we can apply + * https://patchwork.linux-mips.org/patch/1541/ + */ + #define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) -- cgit v1.2.3-58-ga151 From 244599469f4c5860c8a4ae8fa8c6907a10caeccf Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 2 Sep 2010 22:59:58 +0200 Subject: MIPS: Audit: Fix hang in entry.S. _TIF_WORK_MASK false had _TIF_SYSCALL_AUDIT set. If a thread's _TIF_SYSCALL_AUDIT is ever set this will lead to an endless loop on the way out from a syscall. Currently this is only a theoretic bug as init/Kconfig doesn't allow AUDIT_SYSCALL to be enabled for MIPS. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/thread_info.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 2376f2e06e47..70df9c0d3c5b 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -146,7 +146,8 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define _TIF_LOAD_WATCH (1< Date: Thu, 2 Sep 2010 23:22:23 +0200 Subject: MIPS: DMA: Fix computation of DMA flags from device's coherent_dma_mask. This only matters for ISA devices with a 24-bit DMA limit or for devices with a 32-bit DMA limit on systems with ZONE_DMA32 enabled. The latter currently only affects 32-bit PCI cards on Sibyte-based systems with more than 1GB RAM installed. Signed-off-by: Ralf Baechle --- arch/mips/mm/dma-default.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) (limited to 'arch') diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 7ba890860d98..469d4019f795 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -44,27 +44,39 @@ static inline int cpu_is_noncoherent_r10000(struct device *dev) static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) { + gfp_t dma_flag; + /* ignore region specifiers */ gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); -#ifdef CONFIG_ZONE_DMA +#ifdef CONFIG_ISA if (dev == NULL) - gfp |= __GFP_DMA; - else if (dev->coherent_dma_mask < DMA_BIT_MASK(24)) - gfp |= __GFP_DMA; + dma_flag = __GFP_DMA; else #endif -#ifdef CONFIG_ZONE_DMA32 +#if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA) if (dev->coherent_dma_mask < DMA_BIT_MASK(32)) - gfp |= __GFP_DMA32; + dma_flag = __GFP_DMA; + else if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) + dma_flag = __GFP_DMA32; + else +#endif +#if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA) + if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) + dma_flag = __GFP_DMA32; + else +#endif +#if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32) + if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) + dma_flag = __GFP_DMA; else #endif - ; + dma_flag = 0; /* Don't invoke OOM killer */ gfp |= __GFP_NORETRY; - return gfp; + return gfp | dma_flag; } void *dma_alloc_noncoherent(struct device *dev, size_t size, -- cgit v1.2.3-58-ga151 From 25f12b339caea6b3ca750871d8cecbda70fd83c6 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 16 Sep 2010 11:40:41 +0100 Subject: MIPS: Kconfig: Fix and clarify kconfig help text for VSMP and SMTC. Only VSMP was known as SMVP and generally the help text was too short to be helpful. Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index ec410009e8f0..5526faabfc21 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1647,8 +1647,16 @@ config MIPS_MT_SMP select SYS_SUPPORTS_SMP select SMP_UP help - This is a kernel model which is also known a VSMP or lately - has been marketesed into SMVP. + This is a kernel model which is known a VSMP but lately has been + marketesed into SMVP. + Virtual SMP uses the processor's VPEs to implement virtual + processors. In currently available configuration of the 34K processor + this allows for a dual processor. Both processors will share the same + primary caches; each will obtain the half of the TLB for it's own + exclusive use. For a layman this model can be described as similar to + what Intel calls Hyperthreading. + + For further information see http://www.linux-mips.org/wiki/34K#VSMP config MIPS_MT_SMTC bool "SMTC: Use all TCs on all VPEs for SMP" @@ -1665,6 +1673,14 @@ config MIPS_MT_SMTC help This is a kernel model which is known a SMTC or lately has been marketesed into SMVP. + is presenting the available TC's of the core as processors to Linux. + On currently available 34K processors this means a Linux system will + see up to 5 processors. The implementation of the SMTC kernel differs + significantly from VSMP and cannot efficiently coexist in the same + kernel binary so the choice between VSMP and SMTC is a compile time + decision. + + For further information see http://www.linux-mips.org/wiki/34K#SMTC endchoice -- cgit v1.2.3-58-ga151 From 863cb9bad8f992a9c171e90552045eac77808e84 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Fri, 17 Sep 2010 17:07:48 +0100 Subject: MIPS: GIC: Remove dependencies from Malta files. This prevents the GIC code from being reusable sanely. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/gic.h | 1 + arch/mips/include/asm/mips-boards/maltaint.h | 3 --- arch/mips/kernel/irq-gic.c | 3 +-- arch/mips/mti-malta/malta-int.c | 3 +++ 4 files changed, 5 insertions(+), 5 deletions(-) (limited to 'arch') diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index 9b9436a4d816..86548da650e7 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -321,6 +321,7 @@ struct gic_intrmask_regs { */ struct gic_intr_map { unsigned int cpunum; /* Directed to this CPU */ +#define GIC_UNUSED 0xdead /* Dummy data */ unsigned int pin; /* Directed to this Pin */ unsigned int polarity; /* Polarity : +/- */ unsigned int trigtype; /* Trigger : Edge/Levl */ diff --git a/arch/mips/include/asm/mips-boards/maltaint.h b/arch/mips/include/asm/mips-boards/maltaint.h index cea872fc6f5c..d11aa02a956a 100644 --- a/arch/mips/include/asm/mips-boards/maltaint.h +++ b/arch/mips/include/asm/mips-boards/maltaint.h @@ -88,9 +88,6 @@ #define GIC_EXT_INTR(x) x -/* Dummy data */ -#define X 0xdead - /* External Interrupts used for IPI */ #define GIC_IPI_EXT_INTR_RESCHED_VPE0 16 #define GIC_IPI_EXT_INTR_CALLFNC_VPE0 17 diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index b181f2f0ea8e..3e57e290dbb0 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include #include @@ -222,7 +221,7 @@ static void __init gic_basic_init(int numintrs, int numvpes, /* Setup specifics */ for (i = 0; i < mapsize; i++) { cpu = intrmap[i].cpunum; - if (cpu == X) + if (cpu == GIC_UNUSED) continue; if (cpu == 0 && i != 0 && intrmap[i].flags == 0) continue; diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 15949b0be811..b79b24afe3a2 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -385,6 +385,8 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); */ #define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK +#define X GIC_UNUSED + static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { { X, X, X, X, 0 }, { X, X, X, X, 0 }, @@ -404,6 +406,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { { X, X, X, X, 0 }, /* The remainder of this table is initialised by fill_ipi_map */ }; +#undef X /* * GCMP needs to be detected before any SMP initialisation -- cgit v1.2.3-58-ga151 From c1b47e9508f74c152407323260f9fbb980d2fde1 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sun, 19 Sep 2010 00:09:09 +0100 Subject: MIPS: PNX8550: Sort out machine halt, restart and powerdown functions. No rubbish printks - those belong to userspace. The halt function now actually halts the system and the poweroff function was deleted because it didn't actually power down the system. Signed-off-by: Ralf Baechle --- arch/mips/pnx8550/common/reset.c | 20 +++++--------------- arch/mips/pnx8550/common/setup.c | 3 +-- 2 files changed, 6 insertions(+), 17 deletions(-) (limited to 'arch') diff --git a/arch/mips/pnx8550/common/reset.c b/arch/mips/pnx8550/common/reset.c index fadd8744a6bc..e7a12ff304b9 100644 --- a/arch/mips/pnx8550/common/reset.c +++ b/arch/mips/pnx8550/common/reset.c @@ -22,29 +22,19 @@ */ #include +#include #include #include void pnx8550_machine_restart(char *command) { - char head[] = "************* Machine restart *************"; - char foot[] = "*******************************************"; - - printk("\n\n"); - printk("%s\n", head); - if (command != NULL) - printk("* %s\n", command); - printk("%s\n", foot); - PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST; } void pnx8550_machine_halt(void) { - printk("*** Machine halt. (Not implemented) ***\n"); -} - -void pnx8550_machine_power_off(void) -{ - printk("*** Machine power off. (Not implemented) ***\n"); + while (1) { + if (cpu_wait) + cpu_wait(); + } } diff --git a/arch/mips/pnx8550/common/setup.c b/arch/mips/pnx8550/common/setup.c index 64246c9c875c..43cb3945fdbf 100644 --- a/arch/mips/pnx8550/common/setup.c +++ b/arch/mips/pnx8550/common/setup.c @@ -44,7 +44,6 @@ extern void __init board_setup(void); extern void pnx8550_machine_restart(char *); extern void pnx8550_machine_halt(void); -extern void pnx8550_machine_power_off(void); extern struct resource ioport_resource; extern struct resource iomem_resource; extern char *prom_getcmdline(void); @@ -100,7 +99,7 @@ void __init plat_mem_setup(void) _machine_restart = pnx8550_machine_restart; _machine_halt = pnx8550_machine_halt; - pm_power_off = pnx8550_machine_power_off; + pm_power_off = pnx8550_machine_halt; /* Clear the Global 2 Register, PCI Inta Output Enable Registers Bit 1:Enable DAC Powerdown -- cgit v1.2.3-58-ga151 From 7dde29cb1dc4e3e9c4c3746332b5f61695cd59da Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Sat, 11 Sep 2010 22:10:52 -0700 Subject: MIPS: Remove pr_ uses of KERN_ These would result in KERN_ actually getting printed. Signed-off-by: Joe Perches To: Jiri Kosina Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1581/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/irq-gic.c | 2 +- arch/mips/pci/pci-rc32434.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index 3e57e290dbb0..82ba9f62f49e 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -130,7 +130,7 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) int i; irq -= _irqbase; - pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq); + pr_debug("%s(%d) called\n", __func__, irq); cpumask_and(&tmp, cpumask, cpu_online_mask); if (cpus_empty(tmp)) return -1; diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c index 71f7d27b0d4c..f31218e17d3c 100644 --- a/arch/mips/pci/pci-rc32434.c +++ b/arch/mips/pci/pci-rc32434.c @@ -118,7 +118,7 @@ static int __init rc32434_pcibridge_init(void) if (!((pcicvalue == PCIM_H_EA) || (pcicvalue == PCIM_H_IA_FIX) || (pcicvalue == PCIM_H_IA_RR))) { - pr_err(KERN_ERR "PCI init error!!!\n"); + pr_err("PCI init error!!!\n"); /* Not in Host Mode, return ERROR */ return -1; } -- cgit v1.2.3-58-ga151 From e9fb4d84d69403d1e004422086c559b31b3f8136 Mon Sep 17 00:00:00 2001 From: Bernhard Walle Date: Fri, 3 Sep 2010 10:15:34 +0200 Subject: MIPS: N32: Fix getdents64 syscall for n32 Commit 31c984a5acabea5d8c7224dc226453022be46f33 introduced a new syscall getdents64. However, in the syscall table, the new syscall still refers to the old getdents which doesn't work. The problem appeared with a system that uses the eglibc 2.12-r11187 (that utilizes that new syscall) is very confused. The fix has been tested with that eglibc version. Signed-off-by: Bernhard Walle To: linux-mips@linux-mips.org Cc: ddaney@caviumnetworks.com Cc: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1567/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/scall64-n32.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index a3d66137731a..dfa8cbcdc5aa 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -419,5 +419,5 @@ EXPORT(sysn32_call_table) PTR sys_perf_event_open PTR sys_accept4 PTR compat_sys_recvmmsg - PTR sys_getdents + PTR sys_getdents64 .size sysn32_call_table,.-sysn32_call_table -- cgit v1.2.3-58-ga151 From c9c4d98b47f9e0cec995b8bdd77616e4e1c12d98 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sat, 14 Aug 2010 16:02:37 +0900 Subject: MIPS: TX49xx: Rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN Architectures need to set ARCH_DMA_MINALIGN to the minimum DMA alignment (commit a6eb9fe105d5de0053b261148cee56c94b4720ca). Defining ARCH_KMALLOC_MINALIGN doesn't work anymore. Signed-off-by: FUJITA Tomonori Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: anemo@mba.ocn.ne.jp Patchwork: https://patchwork.linux-mips.org/patch/1544/ Acked-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-tx49xx/kmalloc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/include/asm/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h index b74caf65482b..ff9a8b86cb93 100644 --- a/arch/mips/include/asm/mach-tx49xx/kmalloc.h +++ b/arch/mips/include/asm/mach-tx49xx/kmalloc.h @@ -1,6 +1,6 @@ #ifndef __ASM_MACH_TX49XX_KMALLOC_H #define __ASM_MACH_TX49XX_KMALLOC_H -#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES #endif /* __ASM_MACH_TX49XX_KMALLOC_H */ -- cgit v1.2.3-58-ga151 From 5e844b31c2ace282ab8bea630b63e0212d9532d4 Mon Sep 17 00:00:00 2001 From: David Daney Date: Mon, 23 Aug 2010 14:10:37 -0700 Subject: MIPS: Hookup fanotify_init, fanotify_mark, and prlimit64 syscalls. Signed-off-by: David Daney To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1553/ Signed-off-by: Ralf Baechle --- arch/mips/include/asm/unistd.h | 21 +++++++++++++++------ arch/mips/kernel/linux32.c | 7 +++++++ arch/mips/kernel/scall32-o32.S | 5 ++++- arch/mips/kernel/scall64-64.S | 5 ++++- arch/mips/kernel/scall64-n32.S | 3 +++ arch/mips/kernel/scall64-o32.S | 5 ++++- 6 files changed, 37 insertions(+), 9 deletions(-) (limited to 'arch') diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index baa318a59c97..550725b881d5 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -356,16 +356,19 @@ #define __NR_perf_event_open (__NR_Linux + 333) #define __NR_accept4 (__NR_Linux + 334) #define __NR_recvmmsg (__NR_Linux + 335) +#define __NR_fanotify_init (__NR_Linux + 336) +#define __NR_fanotify_mark (__NR_Linux + 337) +#define __NR_prlimit64 (__NR_Linux + 338) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 335 +#define __NR_Linux_syscalls 338 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 335 +#define __NR_O32_Linux_syscalls 338 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -668,16 +671,19 @@ #define __NR_perf_event_open (__NR_Linux + 292) #define __NR_accept4 (__NR_Linux + 293) #define __NR_recvmmsg (__NR_Linux + 294) +#define __NR_fanotify_init (__NR_Linux + 295) +#define __NR_fanotify_mark (__NR_Linux + 296) +#define __NR_prlimit64 (__NR_Linux + 297) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 294 +#define __NR_Linux_syscalls 297 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 294 +#define __NR_64_Linux_syscalls 297 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -985,16 +991,19 @@ #define __NR_accept4 (__NR_Linux + 297) #define __NR_recvmmsg (__NR_Linux + 298) #define __NR_getdents64 (__NR_Linux + 299) +#define __NR_fanotify_init (__NR_Linux + 300) +#define __NR_fanotify_mark (__NR_Linux + 301) +#define __NR_prlimit64 (__NR_Linux + 302) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 299 +#define __NR_Linux_syscalls 302 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 299 +#define __NR_N32_Linux_syscalls 302 #ifdef __KERNEL__ diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index c2dab140dc98..6343b4a5b835 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -341,3 +341,10 @@ asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf, { return sys_lookup_dcookie(merge_64(a0, a1), buf, len); } + +SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags, + u64, a3, u64, a4, int, dfd, const char __user *, pathname) +{ + return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4), + dfd, pathname); +} diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 17202bbe843f..584415eef8c9 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -583,7 +583,10 @@ einval: li v0, -ENOSYS sys sys_rt_tgsigqueueinfo 4 sys sys_perf_event_open 5 sys sys_accept4 4 - sys sys_recvmmsg 5 + sys sys_recvmmsg 5 /* 4335 */ + sys sys_fanotify_init 2 + sys sys_fanotify_mark 6 + sys sys_prlimit64 4 .endm /* We pre-compute the number of _instruction_ bytes needed to diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index a8a6c596eb04..f02aeeb363ba 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -420,5 +420,8 @@ sys_call_table: PTR sys_rt_tgsigqueueinfo PTR sys_perf_event_open PTR sys_accept4 - PTR sys_recvmmsg + PTR sys_recvmmsg + PTR sys_fanotify_init /* 5395 */ + PTR sys_fanotify_mark + PTR sys_prlimit64 .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index dfa8cbcdc5aa..1e38ec97672e 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -420,4 +420,7 @@ EXPORT(sysn32_call_table) PTR sys_accept4 PTR compat_sys_recvmmsg PTR sys_getdents64 + PTR sys_fanotify_init /* 6300 */ + PTR sys_fanotify_mark + PTR sys_prlimit64 .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 813689ef2384..171979fc98e5 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -538,5 +538,8 @@ sys_call_table: PTR compat_sys_rt_tgsigqueueinfo PTR sys_perf_event_open PTR sys_accept4 - PTR compat_sys_recvmmsg + PTR compat_sys_recvmmsg /* 4335 */ + PTR sys_fanotify_init + PTR sys_32_fanotify_mark + PTR sys_prlimit64 .size sys_call_table,.-sys_call_table -- cgit v1.2.3-58-ga151 From e080e6166a4c365f98a346e8433c81d0dca42f52 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 20 Sep 2010 15:00:19 +0100 Subject: MIPS: Fix syscall 64 bit number comments. Noticed and original patch by Philby John . Signed-off-by: Ralf Baechle --- arch/mips/kernel/scall64-64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index f02aeeb363ba..5573f8e4e326 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -416,12 +416,12 @@ sys_call_table: PTR sys_pipe2 PTR sys_inotify_init1 PTR sys_preadv - PTR sys_pwritev /* 5390 */ + PTR sys_pwritev /* 5290 */ PTR sys_rt_tgsigqueueinfo PTR sys_perf_event_open PTR sys_accept4 PTR sys_recvmmsg - PTR sys_fanotify_init /* 5395 */ + PTR sys_fanotify_init /* 5295 */ PTR sys_fanotify_mark PTR sys_prlimit64 .size sys_call_table,.-sys_call_table -- cgit v1.2.3-58-ga151 From 2b877a3ff41b6d7e3ade0739ac840fb6c89f3b1f Mon Sep 17 00:00:00 2001 From: Manuel Lauss Date: Thu, 19 Aug 2010 13:37:13 +0200 Subject: MIPS: Alchemy: Resolve prom section mismatches The function prom_init_cmdline() references the variable __initdata arcs_cmdline. The function prom_get_ethernet_addr() references the variable __initdata arcs_cmdline. Annotate prom_init_cmdline() as __init, unexport and annotate prom_get_ethernet_addr() since it's no longer called from within driver code. Signed-off-by: Manuel Lauss To: Linux-MIPS Patchwork: https://patchwork.linux-mips.org/patch/1547/ Signed-off-by: Ralf Baechle --- arch/mips/alchemy/common/prom.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c index c29511b11d44..534021059629 100644 --- a/arch/mips/alchemy/common/prom.c +++ b/arch/mips/alchemy/common/prom.c @@ -43,7 +43,7 @@ int prom_argc; char **prom_argv; char **prom_envp; -void prom_init_cmdline(void) +void __init prom_init_cmdline(void) { int i; @@ -104,7 +104,7 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) } } -int prom_get_ethernet_addr(char *ethernet_addr) +int __init prom_get_ethernet_addr(char *ethernet_addr) { char *ethaddr_str; @@ -123,7 +123,6 @@ int prom_get_ethernet_addr(char *ethernet_addr) return 0; } -EXPORT_SYMBOL(prom_get_ethernet_addr); void __init prom_free_prom_memory(void) { -- cgit v1.2.3-58-ga151 From 2ccc5b150fb771bcbbb27a19a00e176e10b7f11e Mon Sep 17 00:00:00 2001 From: Shmulik Ladkani Date: Tue, 31 Aug 2010 13:24:19 +0300 Subject: MIPS: Calculate VMLINUZ_LOAD_ADDRESS based on the length of vmlinux.bin Fix VMLINUZ_LOAD_ADDRESS calculation to be based on the length of vmlinux.bin, the actual uncompressed kernel binary. Previously it was based on the length of KBUILD_IMAGE (the unstripped ELF vmlinux), which is bigger than vmlinux.bin. As a result, vmlinuz was loaded into a memory address higher then actually needed - a problem for small memory platforms. Signed-off-by: Shmulik Ladkani To: linux-mips@linux-mips.org Cc: alex@digriz.org.uk Cc: manuel.lauss@googlemail.com Cc: sam@ravnborg.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1564/ Acked-by: Wu Zhangjin Signed-off-by: Ralf Baechle --- arch/mips/boot/compressed/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index ed9bb709c9a3..5fd7f7a58b7e 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -59,7 +59,7 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE hostprogs-y := calc_vmlinuz_load_addr VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ - $(objtree)/$(KBUILD_IMAGE) $(VMLINUX_LOAD_ADDRESS)) + $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) vmlinuzobjs-y += $(obj)/piggy.o -- cgit v1.2.3-58-ga151 From 4c7106c48a061e26f646391cfe8ba7cbd28516b6 Mon Sep 17 00:00:00 2001 From: David Daney Date: Thu, 23 Sep 2010 11:23:29 -0700 Subject: MIPS: Don't place cu2 notifiers in __cpuinitdata The notifiers may be called at any time, so the notifier_block cannot be in init memory. Signed-off-by: David Daney To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1592/ Signed-off-by: Ralf Baechle --- arch/mips/include/asm/cop2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h index 2cb2f0c2c4f8..3532e2c5f098 100644 --- a/arch/mips/include/asm/cop2.h +++ b/arch/mips/include/asm/cop2.h @@ -24,7 +24,7 @@ extern int cu2_notifier_call_chain(unsigned long val, void *v); #define cu2_notifier(fn, pri) \ ({ \ - static struct notifier_block fn##_nb __cpuinitdata = { \ + static struct notifier_block fn##_nb = { \ .notifier_call = fn, \ .priority = pri \ }; \ -- cgit v1.2.3-58-ga151 From 158d6742bced08c87fd46b5905eebc0d41e3cdf6 Mon Sep 17 00:00:00 2001 From: David Daney Date: Thu, 23 Sep 2010 11:24:09 -0700 Subject: MIPS: Octeon: Place cnmips_cu2_setup in __init memory. It is an early_initcall, so it should be in __init memory. Signed-off-by: David Daney To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1593/ Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/mips/cavium-octeon/cpu.c b/arch/mips/cavium-octeon/cpu.c index c664c8cc2b42..a5b427909b5c 100644 --- a/arch/mips/cavium-octeon/cpu.c +++ b/arch/mips/cavium-octeon/cpu.c @@ -41,7 +41,7 @@ static int cnmips_cu2_call(struct notifier_block *nfb, unsigned long action, return NOTIFY_OK; /* Let default notifier send signals */ } -static int cnmips_cu2_setup(void) +static int __init cnmips_cu2_setup(void) { return cu2_notifier(cnmips_cu2_call, 0); } -- cgit v1.2.3-58-ga151