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-rw-r--r--arch/um/Kconfig.common5
-rw-r--r--arch/um/defconfig1
-rw-r--r--arch/um/drivers/chan_kern.c9
-rw-r--r--arch/um/drivers/line.c2
-rw-r--r--arch/um/drivers/net_kern.c4
-rw-r--r--arch/um/drivers/port_kern.c2
-rw-r--r--arch/um/drivers/xterm_kern.c2
-rw-r--r--arch/um/include/asm/pgtable.h10
-rw-r--r--arch/um/include/shared/irq_kern.h2
-rw-r--r--arch/um/kernel/irq.c9
-rw-r--r--arch/um/kernel/tlb.c1
-rw-r--r--arch/um/os-Linux/skas/mem.c10
12 files changed, 27 insertions, 30 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 20a49ba..43ef890 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -56,11 +56,6 @@ config GENERIC_CLOCKEVENTS
bool
default y
-# Used in kernel/irq/manage.c and include/linux/irq.h
-config IRQ_RELEASE_METHOD
- bool
- default y
-
config HZ
int
default 100
diff --git a/arch/um/defconfig b/arch/um/defconfig
index fdc97e2..7823ab1 100644
--- a/arch/um/defconfig
+++ b/arch/um/defconfig
@@ -12,7 +12,6 @@ CONFIG_LOCKDEP_SUPPORT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_IRQ_RELEASE_METHOD=y
CONFIG_HZ=100
#
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index ca4c7eb..45e248c 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -8,6 +8,7 @@
#include <linux/tty_flip.h>
#include "chan.h"
#include "os.h"
+#include "irq_kern.h"
#ifdef CONFIG_NOCONFIG_CHAN
static void *not_configged_init(char *str, int device,
@@ -213,9 +214,9 @@ void free_irqs(void)
chan = list_entry(ele, struct chan, free_list);
if (chan->input && chan->enabled)
- free_irq(chan->line->driver->read_irq, chan);
+ um_free_irq(chan->line->driver->read_irq, chan);
if (chan->output && chan->enabled)
- free_irq(chan->line->driver->write_irq, chan);
+ um_free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
}
@@ -234,9 +235,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq)
}
else {
if (chan->input && chan->enabled)
- free_irq(chan->line->driver->read_irq, chan);
+ um_free_irq(chan->line->driver->read_irq, chan);
if (chan->output && chan->enabled)
- free_irq(chan->line->driver->write_irq, chan);
+ um_free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
if (chan->ops->close != NULL)
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 4ab0d9c..acfd0e0 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -699,7 +699,7 @@ struct winch {
static void __free_winch(struct work_struct *work)
{
struct winch *winch = container_of(work, struct winch, work);
- free_irq(WINCH_IRQ, winch);
+ um_free_irq(WINCH_IRQ, winch);
if (winch->pid != -1)
os_kill_process(winch->pid, 1);
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 95f4416..0d60c56 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -195,7 +195,7 @@ static int uml_net_close(struct net_device *dev)
netif_stop_queue(dev);
- free_irq(dev->irq, dev);
+ um_free_irq(dev->irq, dev);
if (lp->close != NULL)
(*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
@@ -835,7 +835,7 @@ static void close_devices(void)
spin_lock(&opened_lock);
list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list);
- free_irq(lp->dev->irq, lp->dev);
+ um_free_irq(lp->dev->irq, lp->dev);
if ((lp->close != NULL) && (lp->fd >= 0))
(*lp->close)(lp->fd, &lp->user);
if (lp->remove != NULL)
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index e31680e..11866ff 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -254,7 +254,7 @@ int port_wait(void *data)
* connection. Then we loop here throwing out failed
* connections until a good one is found.
*/
- free_irq(TELNETD_IRQ, conn);
+ um_free_irq(TELNETD_IRQ, conn);
if (conn->fd >= 0)
break;
diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c
index 8bd130f..b68bbe2 100644
--- a/arch/um/drivers/xterm_kern.c
+++ b/arch/um/drivers/xterm_kern.c
@@ -65,7 +65,7 @@ int xterm_fd(int socket, int *pid_out)
* isn't set) this will hang... */
wait_for_completion(&data->ready);
- free_irq(XTERM_IRQ, data);
+ um_free_irq(XTERM_IRQ, data);
ret = data->new_fd;
*pid_out = data->pid;
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 6a3f984..5888f1b 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -273,6 +273,12 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval)
}
#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+#define __HAVE_ARCH_PTE_SAME
+static inline int pte_same(pte_t pte_a, pte_t pte_b)
+{
+ return !((pte_val(pte_a) ^ pte_val(pte_b)) & ~_PAGE_NEWPAGE);
+}
+
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
@@ -348,11 +354,11 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
#define update_mmu_cache(vma,address,ptep) do ; while (0)
/* Encode and de-code a swap entry */
-#define __swp_type(x) (((x).val >> 4) & 0x3f)
+#define __swp_type(x) (((x).val >> 5) & 0x1f)
#define __swp_offset(x) ((x).val >> 11)
#define __swp_entry(type, offset) \
- ((swp_entry_t) { ((type) << 4) | ((offset) << 11) })
+ ((swp_entry_t) { ((type) << 5) | ((offset) << 11) })
#define __pte_to_swp_entry(pte) \
((swp_entry_t) { pte_val(pte_mkuptodate(pte)) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
diff --git a/arch/um/include/shared/irq_kern.h b/arch/um/include/shared/irq_kern.h
index b05d22f..7a5bfa6 100644
--- a/arch/um/include/shared/irq_kern.h
+++ b/arch/um/include/shared/irq_kern.h
@@ -13,6 +13,6 @@ extern int um_request_irq(unsigned int irq, int fd, int type,
irq_handler_t handler,
unsigned long irqflags, const char * devname,
void *dev_id);
-
+void um_free_irq(unsigned int irq, void *dev);
#endif
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 71b8c94..00506c3 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -297,6 +297,13 @@ unsigned int do_IRQ(int irq, struct uml_pt_regs *regs)
return 1;
}
+void um_free_irq(unsigned int irq, void *dev)
+{
+ free_irq_by_irq_and_dev(irq, dev);
+ free_irq(irq, dev);
+}
+EXPORT_SYMBOL(um_free_irq);
+
int um_request_irq(unsigned int irq, int fd, int type,
irq_handler_t handler,
unsigned long irqflags, const char * devname,
@@ -327,7 +334,6 @@ static void dummy(struct irq_data *d)
/* This is used for everything else than the timer. */
static struct irq_chip normal_irq_type = {
.name = "SIGIO",
- .release = free_irq_by_irq_and_dev,
.irq_disable = dummy,
.irq_enable = dummy,
.irq_ack = dummy,
@@ -335,7 +341,6 @@ static struct irq_chip normal_irq_type = {
static struct irq_chip SIGVTALRM_irq_type = {
.name = "SIGVTALRM",
- .release = free_irq_by_irq_and_dev,
.irq_disable = dummy,
.irq_enable = dummy,
.irq_ack = dummy,
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 7f3d4d8..f819af9 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -75,6 +75,7 @@ static int do_ops(struct host_vm_change *hvc, int end,
default:
printk(KERN_ERR "Unknown op type %d in do_ops\n",
op->type);
+ BUG();
break;
}
}
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index c0afff7..90b310d 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -48,10 +48,6 @@ __initcall(init_syscall_regs);
extern int proc_mm;
-int single_count = 0;
-int multi_count = 0;
-int multi_op_count = 0;
-
static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr)
{
int n, i;
@@ -64,8 +60,6 @@ static inline long do_syscall_stub(struct mm_id * mm_idp, void **addr)
/* FIXME: Need to look up userspace_pid by cpu */
pid = userspace_pid[0];
- multi_count++;
-
n = ptrace_setregs(pid, syscall_regs);
if (n < 0) {
printk(UM_KERN_ERR "Registers - \n");
@@ -126,9 +120,6 @@ long run_syscall_stub(struct mm_id * mm_idp, int syscall,
{
unsigned long *stack = check_init_stack(mm_idp, *addr);
- if (done && *addr == NULL)
- single_count++;
-
*stack += sizeof(long);
stack += *stack / sizeof(long);
@@ -141,7 +132,6 @@ long run_syscall_stub(struct mm_id * mm_idp, int syscall,
*stack++ = args[5];
*stack++ = expected;
*stack = 0;
- multi_op_count++;
if (!done && ((((unsigned long) stack) & ~UM_KERN_PAGE_MASK) <
UM_KERN_PAGE_SIZE - 10 * sizeof(long))) {
generated by cgit v0.10.2 at 2024-08-20 02:59:49 (GMT)