Displaying 4 results from an estimated 4 matches for "__ioapic_write_entry".
2011 May 09
1
Bug#625438: [PATCH] xen: ioapic: avoid gcc 4.6 warnings about uninitialised variables
...read_entry(int apic, int pin, int raw)
+{
+ struct IO_APIC_route_entry entry;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioapic_lock, flags);
+ entry = __ioapic_read_entry(apic, pin, raw);
+ spin_unlock_irqrestore(&ioapic_lock, flags);
+ return entry;
+}
+
+static void
+__ioapic_write_entry(int apic, int pin, int raw, struct IO_APIC_route_entry e)
+{
+ void (*write)(unsigned int, unsigned int, unsigned int)
+ = raw ? __io_apic_write : io_apic_write;
+ union entry_union eu = {{0, 0}};
+
+ eu.entry = e;
+ (*write)(apic, 0x11 + 2*pin, eu.w2);
+ (*write)(apic, 0x10 +...
2011 May 09
1
Bug#625438: [PATCH] xen: ioapic: avoid gcc 4.6 warnings about uninitialised variables
...read_entry(int apic, int pin, int raw)
+{
+ struct IO_APIC_route_entry entry;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioapic_lock, flags);
+ entry = __ioapic_read_entry(apic, pin, raw);
+ spin_unlock_irqrestore(&ioapic_lock, flags);
+ return entry;
+}
+
+static void
+__ioapic_write_entry(int apic, int pin, int raw, struct IO_APIC_route_entry e)
+{
+ void (*write)(unsigned int, unsigned int, unsigned int)
+ = raw ? __io_apic_write : io_apic_write;
+ union entry_union eu = {{0, 0}};
+
+ eu.entry = e;
+ (*write)(apic, 0x11 + 2*pin, eu.w2);
+ (*write)(apic, 0x10 +...
2012 Oct 18
3
[PATCH 1/1] keep iommu disabled until iommu_setup is called
...detect processors subject to AMD erratum #121 and refuse to
boot." since xen 4.1.3 and results in the following stacktrace:
find_iommu_for_device
amd_iommu_ioapic_update_ire
timer_interrupt
enable_8259_A_irq
do_IRQ
printk_start_of_line
acpi_os_printf
io_apic_write
__ioapic_write_entry
ioapic_write_entry
__clear_IO_APIC_pin
clear_IO_APIC
disable_IO_APIC
__stop_this_cpu
smp_send_stop
machine_restart
panic
tasklet_schedule_on_cpu
display_cacheinfo
init_amd
generic_identify
identify_cpu
_start_xen
_high_start
This patch fixes this by ke...
2012 Oct 18
0
[PATCH 0/1] fix xen-crash at panic()-call during boot
...o boot."
Instead of the actual panic-message from the patch the following stacktrace
appears (i typed it down from screen, so it might contain typos)
find_iommu_for_device
amd_iommu_ioapic_update_ire
timer_interrupt
enable_8259_A_irq
do_IRQ
printk_start_of_line
acpi_os_printf
io_apic_write
__ioapic_write_entry
ioapic_write_entry
__clear_IO_APIC_pin
clear_IO_APIC
disable_IO_APIC
__stop_this_cpu
smp_send_stop
machine_restart
panic
tasklet_schedule_on_cpu
display_cacheinfo
init_amd
generic_identify
identify_cpu
_start_xen
_high_start
Panic on CPU 0:
Xen BUG at pci_amd_iommu.c:33
=====
The patch in the ne...