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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 18:46:37 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-03 18:46:37 -0400
commit39059cceeda478cd040d521b9541d1113035c908 (patch)
tree56adf04d6766a4346160aacd709468e5b2f1b879 /arch/powerpc
parentb01b7dc2832a1a286ae84ffa3e940ce9f8e352c2 (diff)
parentc2cdf6aba0dfcfb54be646ab630c1bccd180e890 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/macio: Fix probing of macio devices by using the right of match table agp/uninorth: Fix oops caused by flushing too much powerpc/pasemi: Update MAINTAINERS file powerpc/cell: Fix integer constant warning powerpc/kprobes: Remove resume_execution() in kprobes powerpc/macio: Don't dereference pointer before null check
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/macio.h4
-rw-r--r--arch/powerpc/kernel/kprobes.c14
-rw-r--r--arch/powerpc/platforms/cell/iommu.c2
3 files changed, 3 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 19a661b4cb98..675e159b5ef4 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -123,10 +123,6 @@ static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
123 */ 123 */
124struct macio_driver 124struct macio_driver
125{ 125{
126 char *name;
127 struct of_device_id *match_table;
128 struct module *owner;
129
130 int (*probe)(struct macio_dev* dev, const struct of_device_id *match); 126 int (*probe)(struct macio_dev* dev, const struct of_device_id *match);
131 int (*remove)(struct macio_dev* dev); 127 int (*remove)(struct macio_dev* dev);
132 128
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index c533525ca56a..bc47352deb1f 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -378,17 +378,6 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
378 * single-stepped a copy of the instruction. The address of this 378 * single-stepped a copy of the instruction. The address of this
379 * copy is p->ainsn.insn. 379 * copy is p->ainsn.insn.
380 */ 380 */
381static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
382{
383 int ret;
384 unsigned int insn = *p->ainsn.insn;
385
386 regs->nip = (unsigned long)p->addr;
387 ret = emulate_step(regs, insn);
388 if (ret == 0)
389 regs->nip = (unsigned long)p->addr + 4;
390}
391
392static int __kprobes post_kprobe_handler(struct pt_regs *regs) 381static int __kprobes post_kprobe_handler(struct pt_regs *regs)
393{ 382{
394 struct kprobe *cur = kprobe_running(); 383 struct kprobe *cur = kprobe_running();
@@ -406,7 +395,8 @@ static int __kprobes post_kprobe_handler(struct pt_regs *regs)
406 cur->post_handler(cur, regs, 0); 395 cur->post_handler(cur, regs, 0);
407 } 396 }
408 397
409 resume_execution(cur, regs); 398 /* Adjust nip to after the single-stepped instruction */
399 regs->nip = (unsigned long)cur->addr + 4;
410 regs->msr |= kcb->kprobe_saved_msr; 400 regs->msr |= kcb->kprobe_saved_msr;
411 401
412 /*Restore back the original saved kprobes variables and continue. */ 402 /*Restore back the original saved kprobes variables and continue. */
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 22667a09d40e..4326b737d913 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -1066,7 +1066,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
1066 fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT); 1066 fbase = _ALIGN_UP(fbase, 1 << IO_SEGMENT_SHIFT);
1067 fsize = lmb_phys_mem_size(); 1067 fsize = lmb_phys_mem_size();
1068 1068
1069 if ((fbase + fsize) <= 0x800000000) 1069 if ((fbase + fsize) <= 0x800000000ul)
1070 hbase = 0; /* use the device tree window */ 1070 hbase = 0; /* use the device tree window */
1071 else { 1071 else {
1072 /* If we're over 32 GB we need to cheat. We can't map all of 1072 /* If we're over 32 GB we need to cheat. We can't map all of