diff options
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/Kconfig | 3 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/irq.h | 3 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pci.h | 4 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/thread_info.h | 6 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 61 | ||||
| -rw-r--r-- | arch/microblaze/kernel/asm-offsets.c | 1 | ||||
| -rw-r--r-- | arch/microblaze/kernel/irq.c | 16 | ||||
| -rw-r--r-- | arch/microblaze/kernel/process.c | 1 | ||||
| -rw-r--r-- | arch/microblaze/kernel/ptrace.c | 5 | ||||
| -rw-r--r-- | arch/microblaze/kernel/signal.c | 6 | ||||
| -rw-r--r-- | arch/microblaze/pci/pci-common.c | 49 | ||||
| -rw-r--r-- | arch/microblaze/pci/xilinx_pci.c | 2 |
13 files changed, 22 insertions, 138 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 59798e43cdb0..8cf429ad1c84 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -42,9 +42,10 @@ config MICROBLAZE select CPU_NO_EFFICIENT_FFS select MMU_GATHER_NO_RANGE select SPARSE_IRQ - select SET_FS select ZONE_DMA select TRACE_IRQFLAGS_SUPPORT + select GENERIC_IRQ_MULTI_HANDLER + select HANDLE_DOMAIN_IRQ # Endianness selection choice diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index 0a28e80bbab0..cb6ab55d1d01 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -11,7 +11,4 @@ struct pt_regs; extern void do_IRQ(struct pt_regs *regs); -/* should be defined in each interrupt controller driver */ -extern unsigned int xintc_get_irq(void); - #endif /* _ASM_MICROBLAZE_IRQ_H */ diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index 7c4dc5d85f53..d90528064604 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -61,10 +61,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus, extern void pcibios_resource_survey(void); struct file; -extern pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t prot); /* This part of code was originally in xilinx-pci.h */ #ifdef CONFIG_PCI_XILINX diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index c136a01e467e..0c72646370e1 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -399,6 +399,9 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd) return ((unsigned long) (pmd_val(pmd) & PAGE_MASK)); } +/* returns pfn of the pmd entry*/ +#define pmd_pfn(pmd) (__pa(pmd_val(pmd)) >> PAGE_SHIFT) + /* returns struct *page of the pmd entry*/ #define pmd_page(pmd) (pfn_to_page(__pa(pmd_val(pmd)) >> PAGE_SHIFT)) diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h index 44f5ca331862..a0ddd2a36fb9 100644 --- a/arch/microblaze/include/asm/thread_info.h +++ b/arch/microblaze/include/asm/thread_info.h @@ -56,17 +56,12 @@ struct cpu_context { __u32 fsr; }; -typedef struct { - unsigned long seg; -} mm_segment_t; - struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; /* low level flags */ unsigned long status; /* thread-synchronous flags */ __u32 cpu; /* current CPU */ __s32 preempt_count; /* 0 => preemptable,< 0 => BUG*/ - mm_segment_t addr_limit; /* thread address space */ struct cpu_context cpu_context; }; @@ -80,7 +75,6 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ } /* how to get the thread information struct from C */ diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index d2a8ef9f8978..3aab2f17e046 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -15,48 +15,7 @@ #include <linux/pgtable.h> #include <asm/extable.h> #include <linux/string.h> - -/* - * On Microblaze the fs value is actually the top of the corresponding - * address space. - * - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with - * get_fs() == KERNEL_DS, checking is bypassed. - * - * For historical reasons, these macros are grossly misnamed. - * - * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal. - */ -# define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) - -# define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) -# define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) - -# define get_fs() (current_thread_info()->addr_limit) -# define set_fs(val) (current_thread_info()->addr_limit = (val)) -# define user_addr_max() get_fs().seg - -# define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) - -static inline int access_ok(const void __user *addr, unsigned long size) -{ - if (!size) - goto ok; - - if ((get_fs().seg < ((unsigned long)addr)) || - (get_fs().seg < ((unsigned long)addr + size - 1))) { - pr_devel("ACCESS fail at 0x%08x (size 0x%x), seg 0x%08x\n", - (__force u32)addr, (u32)size, - (u32)get_fs().seg); - return 0; - } -ok: - pr_devel("ACCESS OK at 0x%08x (size 0x%x), seg 0x%08x\n", - (__force u32)addr, (u32)size, - (u32)get_fs().seg); - return 1; -} +#include <asm-generic/access_ok.h> # define __FIXUP_SECTION ".section .fixup,\"ax\"\n" # define __EX_TABLE_SECTION ".section __ex_table,\"a\"\n" @@ -141,27 +100,27 @@ extern long __user_bad(void); #define __get_user(x, ptr) \ ({ \ - unsigned long __gu_val = 0; \ long __gu_err; \ switch (sizeof(*(ptr))) { \ case 1: \ - __get_user_asm("lbu", (ptr), __gu_val, __gu_err); \ + __get_user_asm("lbu", (ptr), x, __gu_err); \ break; \ case 2: \ - __get_user_asm("lhu", (ptr), __gu_val, __gu_err); \ + __get_user_asm("lhu", (ptr), x, __gu_err); \ break; \ case 4: \ - __get_user_asm("lw", (ptr), __gu_val, __gu_err); \ + __get_user_asm("lw", (ptr), x, __gu_err); \ break; \ - case 8: \ - __gu_err = __copy_from_user(&__gu_val, ptr, 8); \ - if (__gu_err) \ - __gu_err = -EFAULT; \ + case 8: { \ + __u64 __x = 0; \ + __gu_err = raw_copy_from_user(&__x, ptr, 8) ? \ + -EFAULT : 0; \ + (x) = (typeof(x))(typeof((x) - (x)))__x; \ break; \ + } \ default: \ /* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\ } \ - x = (__force __typeof__(*(ptr))) __gu_val; \ __gu_err; \ }) diff --git a/arch/microblaze/kernel/asm-offsets.c b/arch/microblaze/kernel/asm-offsets.c index b77dd188dec4..47ee409508b1 100644 --- a/arch/microblaze/kernel/asm-offsets.c +++ b/arch/microblaze/kernel/asm-offsets.c @@ -86,7 +86,6 @@ int main(int argc, char *argv[]) /* struct thread_info */ DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); - DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); DEFINE(TI_CPU_CONTEXT, offsetof(struct thread_info, cpu_context)); DEFINE(TI_PREEMPT_COUNT, offsetof(struct thread_info, preempt_count)); BLANK(); diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index 903dad822fad..1f8cb4c4f74f 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -20,27 +20,13 @@ #include <linux/irqchip.h> #include <linux/of_irq.h> -static u32 concurrent_irq; - void __irq_entry do_IRQ(struct pt_regs *regs) { - unsigned int irq; struct pt_regs *old_regs = set_irq_regs(regs); trace_hardirqs_off(); irq_enter(); - irq = xintc_get_irq(); -next_irq: - BUG_ON(!irq); - generic_handle_irq(irq); - - irq = xintc_get_irq(); - if (irq != -1U) { - pr_debug("next irq: %d\n", irq); - ++concurrent_irq; - goto next_irq; - } - + handle_arch_irq(regs); irq_exit(); set_irq_regs(old_regs); trace_hardirqs_on(); diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 5e2b91c1e8ce..1b944d319d73 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -18,7 +18,6 @@ #include <linux/tick.h> #include <linux/bitops.h> #include <linux/ptrace.h> -#include <linux/uaccess.h> /* for USER_DS macros */ #include <asm/cacheflush.h> void show_regs(struct pt_regs *regs) diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c index badd286882ae..5234d0c1dcaa 100644 --- a/arch/microblaze/kernel/ptrace.c +++ b/arch/microblaze/kernel/ptrace.c @@ -33,7 +33,6 @@ #include <linux/elf.h> #include <linux/audit.h> #include <linux/seccomp.h> -#include <linux/tracehook.h> #include <linux/errno.h> #include <asm/processor.h> @@ -140,7 +139,7 @@ asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs) secure_computing_strict(regs->r12); if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) + ptrace_report_syscall_entry(regs)) /* * Tracing decided this syscall should not happen. * We'll return a bogus call number to get an ENOSYS @@ -161,7 +160,7 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) step = test_thread_flag(TIF_SINGLESTEP); if (step || test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, step); + ptrace_report_syscall_exit(regs, step); } void ptrace_disable(struct task_struct *child) diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c index 23e8a9336a29..c3aebec71c0c 100644 --- a/arch/microblaze/kernel/signal.c +++ b/arch/microblaze/kernel/signal.c @@ -11,7 +11,7 @@ * * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson * - * This file was was derived from the sh version, arch/sh/kernel/signal.c + * This file was derived from the sh version, arch/sh/kernel/signal.c * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this @@ -31,7 +31,7 @@ #include <linux/personality.h> #include <linux/percpu.h> #include <linux/linkage.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <asm/entry.h> #include <asm/ucontext.h> #include <linux/uaccess.h> @@ -311,5 +311,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall) do_signal(regs, in_syscall); if (test_thread_flag(TIF_NOTIFY_RESUME)) - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 622a4867f9e9..33bab7eec731 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -165,55 +165,6 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma) return 0; } -/* - * This one is used by /dev/mem and fbdev who have no clue about the - * PCI device, it tries to find the PCI device first and calls the - * above routine - */ -pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t prot) -{ - struct pci_dev *pdev = NULL; - struct resource *found = NULL; - resource_size_t offset = ((resource_size_t)pfn) << PAGE_SHIFT; - int i; - - if (page_is_ram(pfn)) - return prot; - - prot = pgprot_noncached(prot); - for_each_pci_dev(pdev) { - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &pdev->resource[i]; - int flags = rp->flags; - - /* Active and same type? */ - if ((flags & IORESOURCE_MEM) == 0) - continue; - /* In the range of this resource? */ - if (offset < (rp->start & PAGE_MASK) || - offset > rp->end) - continue; - found = rp; - break; - } - if (found) - break; - } - if (found) { - if (found->flags & IORESOURCE_PREFETCH) - prot = pgprot_noncached_wc(prot); - pci_dev_put(pdev); - } - - pr_debug("PCI: Non-PCI map for %llx, prot: %lx\n", - (unsigned long long)offset, pgprot_val(prot)); - - return prot; -} - /* This provides legacy IO read access on a bus */ int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t size) { diff --git a/arch/microblaze/pci/xilinx_pci.c b/arch/microblaze/pci/xilinx_pci.c index b800909ddccf..f4cb86fffcee 100644 --- a/arch/microblaze/pci/xilinx_pci.c +++ b/arch/microblaze/pci/xilinx_pci.c @@ -27,7 +27,7 @@ #define PCI_HOST_ENABLE_CMD (PCI_COMMAND_SERR | PCI_COMMAND_PARITY | \ PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY) -static struct of_device_id xilinx_pci_match[] = { +static const struct of_device_id xilinx_pci_match[] = { { .compatible = "xlnx,plbv46-pci-1.03.a", }, {} }; |