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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-23 09:25:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-23 09:25:24 -0700
commit12a37b5e2c93f6550b82490c3de6d4eedc509c39 (patch)
tree8407735b0d569792ec255a2627b533e403d60663
parent53da1d9456fe7f87a920a78fdbdcf1225d197cb7 (diff)
parent0702b30dd821ac8a4103ddbe545518713fdca9be (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix crash with /proc/iomem sparc64: Reschedule KGDB capture to a software interrupt. sbus: Auto-load openprom module when device opened.
-rw-r--r--arch/sparc/include/asm/pil.h1
-rw-r--r--arch/sparc/kernel/kgdb_64.c2
-rw-r--r--arch/sparc/kernel/pci_common.c2
-rw-r--r--arch/sparc/kernel/ttable.S7
-rw-r--r--arch/sparc/mm/ultra.S24
-rw-r--r--drivers/sbus/char/openprom.c1
6 files changed, 12 insertions, 25 deletions
diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h
index 32a7efe76d0..26693703054 100644
--- a/arch/sparc/include/asm/pil.h
+++ b/arch/sparc/include/asm/pil.h
@@ -24,6 +24,7 @@
#define PIL_DEVICE_IRQ 5
#define PIL_SMP_CALL_FUNC_SNGL 6
#define PIL_DEFERRED_PCR_WORK 7
+#define PIL_KGDB_CAPTURE 8
#define PIL_NORMAL_MAX 14
#define PIL_NMI 15
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index fefbe6dc51b..f5a0fd490b5 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -108,7 +108,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
}
#ifdef CONFIG_SMP
-void smp_kgdb_capture_client(struct pt_regs *regs)
+void smp_kgdb_capture_client(int irq, struct pt_regs *regs)
{
unsigned long flags;
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 64e6edf17b9..b775658a927 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -368,7 +368,7 @@ static void pci_register_iommu_region(struct pci_pbm_info *pbm)
const u32 *vdma = of_get_property(pbm->op->node, "virtual-dma", NULL);
if (vdma) {
- struct resource *rp = kmalloc(sizeof(*rp), GFP_KERNEL);
+ struct resource *rp = kzalloc(sizeof(*rp), GFP_KERNEL);
if (!rp) {
prom_printf("Cannot allocate IOMMU resource.\n");
diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S
index d9bdfb9d5c1..76d837fc47d 100644
--- a/arch/sparc/kernel/ttable.S
+++ b/arch/sparc/kernel/ttable.S
@@ -64,7 +64,12 @@ tl0_irq6: TRAP_IRQ(smp_call_function_single_client, 6)
tl0_irq6: BTRAP(0x46)
#endif
tl0_irq7: TRAP_IRQ(deferred_pcr_work_irq, 7)
-tl0_irq8: BTRAP(0x48) BTRAP(0x49)
+#ifdef CONFIG_KGDB
+tl0_irq8: TRAP_IRQ(smp_kgdb_capture_client, 8)
+#else
+tl0_irq8: BTRAP(0x48)
+#endif
+tl0_irq9: BTRAP(0x49)
tl0_irq10: BTRAP(0x4a) BTRAP(0x4b) BTRAP(0x4c) BTRAP(0x4d)
tl0_irq14: TRAP_IRQ(timer_interrupt, 14)
tl0_irq15: TRAP_NMI_IRQ(perfctr_irq, 15)
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index 80c788ec7c3..b57a5942ba6 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -679,28 +679,8 @@ xcall_new_mmu_context_version:
#ifdef CONFIG_KGDB
.globl xcall_kgdb_capture
xcall_kgdb_capture:
-661: rdpr %pstate, %g2
- wrpr %g2, PSTATE_IG | PSTATE_AG, %pstate
- .section .sun4v_2insn_patch, "ax"
- .word 661b
- nop
- nop
- .previous
-
- rdpr %pil, %g2
- wrpr %g0, PIL_NORMAL_MAX, %pil
- sethi %hi(109f), %g7
- ba,pt %xcc, etrap_irq
-109: or %g7, %lo(109b), %g7
-#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_off
- nop
-#endif
- call smp_kgdb_capture_client
- add %sp, PTREGS_OFF, %o0
- /* Has to be a non-v9 branch due to the large distance. */
- ba rtrap_xcall
- ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
+ wr %g0, (1 << PIL_KGDB_CAPTURE), %set_softint
+ retry
#endif
#endif /* CONFIG_SMP */
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 29dc735e1a2..124f660a038 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -51,6 +51,7 @@ MODULE_AUTHOR("Thomas K. Dyas (tdyas@noc.rutgers.edu) and Eddie C. Dost (ecd@sk
MODULE_DESCRIPTION("OPENPROM Configuration Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0");
+MODULE_ALIAS_MISCDEV(SUN_OPENPROM_MINOR);
/* Private data kept by the driver for each descriptor. */
typedef struct openprom_private_data