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-rw-r--r--arch/xtensa/include/asm/atomic.h2
-rw-r--r--arch/xtensa/include/asm/cache.h1
-rw-r--r--arch/xtensa/include/asm/hardirq.h15
-rw-r--r--arch/xtensa/include/asm/pci.h8
-rw-r--r--arch/xtensa/include/asm/pgtable.h2
-rw-r--r--arch/xtensa/include/asm/ptrace.h1
-rw-r--r--arch/xtensa/include/asm/scatterlist.h23
-rw-r--r--arch/xtensa/include/asm/thread_info.h2
-rw-r--r--arch/xtensa/kernel/entry.S4
-rw-r--r--arch/xtensa/kernel/irq.c9
-rw-r--r--arch/xtensa/kernel/pci-dma.c1
-rw-r--r--arch/xtensa/kernel/pci.c15
-rw-r--r--arch/xtensa/kernel/process.c2
-rw-r--r--arch/xtensa/kernel/ptrace.c56
-rw-r--r--arch/xtensa/kernel/time.c5
-rw-r--r--arch/xtensa/kernel/vectors.S2
-rw-r--r--arch/xtensa/mm/cache.c4
-rw-r--r--arch/xtensa/mm/init.c2
-rw-r--r--arch/xtensa/platforms/iss/console.c1
-rw-r--r--arch/xtensa/platforms/iss/network.c2
20 files changed, 35 insertions, 122 deletions
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 22d6dde4261..a96a0619d0b 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -46,7 +46,7 @@
*
* Atomically reads the value of @v.
*/
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
/**
* atomic_set - set atomic variable
diff --git a/arch/xtensa/include/asm/cache.h b/arch/xtensa/include/asm/cache.h
index f04c9891142..ed8cd3cbd49 100644
--- a/arch/xtensa/include/asm/cache.h
+++ b/arch/xtensa/include/asm/cache.h
@@ -29,5 +29,6 @@
# define CACHE_WAY_SIZE ICACHE_WAY_SIZE
#endif
+#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
#endif /* _XTENSA_CACHE_H */
diff --git a/arch/xtensa/include/asm/hardirq.h b/arch/xtensa/include/asm/hardirq.h
index 87cb19d1b10..26664cef8f1 100644
--- a/arch/xtensa/include/asm/hardirq.h
+++ b/arch/xtensa/include/asm/hardirq.h
@@ -11,18 +11,9 @@
#ifndef _XTENSA_HARDIRQ_H
#define _XTENSA_HARDIRQ_H
-#include <linux/cache.h>
-#include <asm/irq.h>
-
-/* headers.S is sensitive to the offsets of these fields */
-typedef struct {
- unsigned int __softirq_pending;
- unsigned int __syscall_count;
- struct task_struct * __ksoftirqd_task; /* waitqueue is too large */
- unsigned int __nmi_count; /* arch dependent */
-} ____cacheline_aligned irq_cpustat_t;
-
void ack_bad_irq(unsigned int irq);
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
+#define ack_bad_irq ack_bad_irq
+
+#include <asm-generic/hardirq.h>
#endif /* _XTENSA_HARDIRQ_H */
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 66410acf18b..4609b0f15f1 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -56,14 +56,6 @@ struct pci_dev;
#define PCI_DMA_BUS_IS_PHYS (1)
-/* pci_unmap_{page,single} is a no-op, so */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME) (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_ubnmap_len(PTR, LEN_NAME) (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index a138770c358..76bf3555411 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -394,7 +394,7 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
#define kern_addr_valid(addr) (1)
extern void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte);
+ unsigned long address, pte_t *ptep);
/*
* remap a physical page `pfn' of size `size' with page protection `prot'
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 905e1e61965..3c549f79872 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -113,6 +113,7 @@ struct pt_regs {
#include <variant/core.h>
+# define arch_has_single_step() (1)
# define task_pt_regs(tsk) ((struct pt_regs*) \
(task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
# define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
diff --git a/arch/xtensa/include/asm/scatterlist.h b/arch/xtensa/include/asm/scatterlist.h
index 810080bb0a2..b1f9fdc1d5b 100644
--- a/arch/xtensa/include/asm/scatterlist.h
+++ b/arch/xtensa/include/asm/scatterlist.h
@@ -11,28 +11,7 @@
#ifndef _XTENSA_SCATTERLIST_H
#define _XTENSA_SCATTERLIST_H
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
-#endif
- unsigned long page_link;
- unsigned int offset;
- dma_addr_t dma_address;
- unsigned int length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg) ((sg)->dma_address)
-#define sg_dma_len(sg) ((sg)->length)
-
+#include <asm-generic/scatterlist.h>
#define ISA_DMA_THRESHOLD (~0UL)
diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index 13165641cc5..7be8accb0b0 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -129,7 +129,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */
#define TIF_IRET 4 /* return with iret */
-#define TIF_MEMDIE 5
+#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */
#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_FREEZE 17 /* is freezing for suspend */
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 80d24c485fd..77fc9f6dc01 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -104,7 +104,7 @@
* excsave has been restored, and
* stack pointer (a1) has been set.
*
- * Note: _user_exception might be at an odd adress. Don't use call0..call12
+ * Note: _user_exception might be at an odd address. Don't use call0..call12
*/
ENTRY(user_exception)
@@ -244,7 +244,7 @@ _user_exception:
* excsave has been restored, and
* stack pointer (a1) has been set.
*
- * Note: _kernel_exception might be at an odd adress. Don't use call0..call12
+ * Note: _kernel_exception might be at an odd address. Don't use call0..call12
*/
ENTRY(kernel_exception)
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 8cd38484e13..c64a5d387de 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -27,15 +27,6 @@ static unsigned int cached_irq_mask;
atomic_t irq_err_count;
/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves.
- */
-void ack_bad_irq(unsigned int irq)
-{
- printk("unexpected IRQ trap at vector %02x\n", irq);
-}
-
-/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
* handlers).
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index f5319d78c87..2783fda76dd 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -20,6 +20,7 @@
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/pci.h>
+#include <linux/gfp.h>
#include <asm/io.h>
#include <asm/cacheflush.h>
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index b7c073484e0..cd102693120 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -69,26 +69,25 @@ static int pci_bus_count;
* but we want to try to avoid allocating at 0x2900-0x2bff
* which might have be mirrored at 0x0100-0x03ff..
*/
-void
-pcibios_align_resource(void *data, struct resource *res, resource_size_t size,
- resource_size_t align)
+resource_size_t
+pcibios_align_resource(void *data, const struct resource *res,
+ resource_size_t size, resource_size_t align)
{
struct pci_dev *dev = data;
+ resource_size_t start = res->start;
if (res->flags & IORESOURCE_IO) {
- resource_size_t start = res->start;
-
if (size > 0x100) {
printk(KERN_ERR "PCI: I/O Region %s/%d too large"
" (%ld bytes)\n", pci_name(dev),
dev->resource - res, size);
}
- if (start & 0x300) {
+ if (start & 0x300)
start = (start + 0x3ff) & ~0x3ff;
- res->start = start;
- }
}
+
+ return start;
}
int
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index e1a04a346e7..f167e0f5e05 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -23,7 +23,6 @@
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>
-#include <linux/slab.h>
#include <linux/elf.h>
#include <linux/init.h>
#include <linux/prctl.h>
@@ -31,6 +30,7 @@
#include <linux/module.h>
#include <linux/mqueue.h>
#include <linux/fs.h>
+#include <linux/slab.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9486882ef0a..9d4e1ceb3f0 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -30,6 +30,17 @@
#include <asm/elf.h>
#include <asm/coprocessor.h>
+
+void user_enable_single_step(struct task_struct *child)
+{
+ child->ptrace |= PT_SINGLESTEP;
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+ child->ptrace &= ~PT_SINGLESTEP;
+}
+
/*
* Called by kernel/ptrace.c when detaching to disable single stepping.
*/
@@ -268,51 +279,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = ptrace_pokeusr(child, addr, data);
break;
- /* continue and stop at next (return from) syscall */
-
- case PTRACE_SYSCALL:
- case PTRACE_CONT: /* restart after signal. */
- {
- ret = -EIO;
- if (!valid_signal(data))
- break;
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- child->exit_code = data;
- /* Make sure the single step bit is not set. */
- child->ptrace &= ~PT_SINGLESTEP;
- wake_up_process(child);
- ret = 0;
- break;
- }
-
- /*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL:
- ret = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- child->ptrace &= ~PT_SINGLESTEP;
- wake_up_process(child);
- break;
-
- case PTRACE_SINGLESTEP:
- ret = -EIO;
- if (!valid_signal(data))
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- child->ptrace |= PT_SINGLESTEP;
- child->exit_code = data;
- wake_up_process(child);
- ret = 0;
- break;
-
case PTRACE_GETREGS:
ret = ptrace_getregs(child, (void __user *) data);
break;
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 19f7df30937..19df764f639 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -60,11 +60,6 @@ static struct irqaction timer_irqaction = {
void __init time_init(void)
{
- /* FIXME: xtime&wall_to_monotonic are set in timekeeping_init. */
- read_persistent_clock(&xtime);
- set_normalized_timespec(&wall_to_monotonic,
- -xtime.tv_sec, -xtime.tv_nsec);
-
#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
printk("Calibrating CPU frequency ");
platform_calibrate_ccount();
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 74a7518faf1..70066e3582d 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -44,14 +44,12 @@
#include <linux/linkage.h>
#include <asm/ptrace.h>
-#include <asm/ptrace.h>
#include <asm/current.h>
#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#include <asm/page.h>
#include <asm/thread_info.h>
-#include <asm/processor.h>
#define WINDOW_VECTORS_SIZE 0x180
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 3ba990c6767..85df4655d32 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -147,9 +147,9 @@ void flush_cache_page(struct vm_area_struct* vma, unsigned long address,
#endif
void
-update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t pte)
+update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep)
{
- unsigned long pfn = pte_pfn(pte);
+ unsigned long pfn = pte_pfn(*ptep);
struct page *page;
if (!pfn_valid(pfn))
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index cdbc27ca966..ba150e5de2e 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -18,11 +18,11 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/bootmem.h>
+#include <linux/gfp.h>
#include <linux/swap.h>
#include <linux/mman.h>
#include <linux/nodemask.h>
#include <linux/mm.h>
-#include <linux/slab.h>
#include <asm/bootparam.h>
#include <asm/page.h>
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index e60a1f57022..2c723e8b30d 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -14,7 +14,6 @@
#include <linux/sched.h>
#include <linux/console.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/major.h>
#include <linux/param.h>
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index 2f0b86b37cf..87e218f98ef 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -560,7 +560,7 @@ static void iss_net_set_multicast_list(struct net_device *dev)
#if 0
if (dev->flags & IFF_PROMISC)
return;
- else if (dev->mc_count)
+ else if (!netdev_mc_empty(dev))
dev->flags |= IFF_ALLMULTI;
else
dev->flags &= ~IFF_ALLMULTI;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-30 21:04:52 +0000