diff options
Diffstat (limited to 'arch/alpha/kernel')
| -rw-r--r-- | arch/alpha/kernel/osf_sys.c | 7 | ||||
| -rw-r--r-- | arch/alpha/kernel/sys_dp264.c | 41 |
2 files changed, 29 insertions, 19 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 0636116210d..01fe990d3e5 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -37,6 +37,7 @@ #include <linux/namei.h> #include <linux/uio.h> #include <linux/vfs.h> +#include <linux/rcupdate.h> #include <asm/fpu.h> #include <asm/io.h> @@ -975,6 +976,7 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, long timeout; int ret = -EINVAL; struct fdtable *fdt; + int max_fdset; timeout = MAX_SCHEDULE_TIMEOUT; if (tvp) { @@ -996,8 +998,11 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, } } + rcu_read_lock(); fdt = files_fdtable(current->files); - if (n < 0 || n > fdt->max_fdset) + max_fdset = fdt->max_fdset; + rcu_read_unlock(); + if (n < 0 || n > max_fdset) goto out_nofds; /* diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index 9e36b07fa94..d5da6b1b28e 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -395,6 +395,22 @@ clipper_init_irq(void) */ static int __init +isa_irq_fixup(struct pci_dev *dev, int irq) +{ + u8 irq8; + + if (irq > 0) + return irq; + + /* This interrupt is routed via ISA bridge, so we'll + just have to trust whatever value the console might + have assigned. */ + pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8); + + return irq8 & 0xf; +} + +static int __init dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { static char irq_tab[6][5] __initdata = { @@ -407,25 +423,13 @@ dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0} /* IdSel 10 slot 3 */ }; const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5; - struct pci_controller *hose = dev->sysdata; int irq = COMMON_TABLE_LOOKUP; - if (irq > 0) { + if (irq > 0) irq += 16 * hose->index; - } else { - /* ??? The Contaq IDE controller on the ISA bridge uses - "legacy" interrupts 14 and 15. I don't know if anything - can wind up at the same slot+pin on hose1, so we'll - just have to trust whatever value the console might - have assigned. */ - - u8 irq8; - pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8); - irq = irq8; - } - return irq; + return isa_irq_fixup(dev, irq); } static int __init @@ -453,7 +457,8 @@ monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { 24, 24, 25, 26, 27} /* IdSel 15 slot 5 PCI2*/ }; const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5; - return COMMON_TABLE_LOOKUP; + + return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); } static u8 __init @@ -507,7 +512,8 @@ webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { 47, 47, 46, 45, 44}, /* IdSel 17 slot 3 */ }; const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5; - return COMMON_TABLE_LOOKUP; + + return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP); } static int __init @@ -524,14 +530,13 @@ clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin) { -1, -1, -1, -1, -1} /* IdSel 7 ISA Bridge */ }; const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5; - struct pci_controller *hose = dev->sysdata; int irq = COMMON_TABLE_LOOKUP; if (irq > 0) irq += 16 * hose->index; - return irq; + return isa_irq_fixup(dev, irq); } static void __init |