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authorAnton Arapov <anton@redhat.com>2012-06-21 08:44:47 +0200
committerAnton Arapov <anton@redhat.com>2012-06-21 08:44:47 +0200
commit35df99f47c4246df74ed7571c692138b83c3c486 (patch)
tree1f14dd15cf001e590e7f7406c8e594a0003fcff0 /arch/powerpc/kernel
parent8a6c6e11d3f0dcecf13668e33f5095b1fe9cb613 (diff)
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fedora kernel: 3d47c715a4a94b9d700c9e4ec1fc3a786bfde746v3.4.3-3
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/module_32.c11
-rw-r--r--arch/powerpc/kernel/time.c14
2 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
index 0b6d79617d7..2e3200ca485 100644
--- a/arch/powerpc/kernel/module_32.c
+++ b/arch/powerpc/kernel/module_32.c
@@ -176,8 +176,8 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr,
static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val)
{
- if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16)
- && entry->jump[1] == 0x396b0000 + (val & 0xffff))
+ if (entry->jump[0] == 0x3d800000 + ((val + 0x8000) >> 16)
+ && entry->jump[1] == 0x398c0000 + (val & 0xffff))
return 1;
return 0;
}
@@ -204,10 +204,9 @@ static uint32_t do_plt_call(void *location,
entry++;
}
- /* Stolen from Paul Mackerras as well... */
- entry->jump[0] = 0x3d600000+((val+0x8000)>>16); /* lis r11,sym@ha */
- entry->jump[1] = 0x396b0000 + (val&0xffff); /* addi r11,r11,sym@l*/
- entry->jump[2] = 0x7d6903a6; /* mtctr r11 */
+ entry->jump[0] = 0x3d800000+((val+0x8000)>>16); /* lis r12,sym@ha */
+ entry->jump[1] = 0x398c0000 + (val&0xffff); /* addi r12,r12,sym@l*/
+ entry->jump[2] = 0x7d8903a6; /* mtctr r12 */
entry->jump[3] = 0x4e800420; /* bctr */
DEBUGP("Initialized plt for 0x%x at %p\n", val, entry);
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 2c42cd72d0f..730e69cb7e9 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -474,6 +474,7 @@ void timer_interrupt(struct pt_regs * regs)
struct pt_regs *old_regs;
u64 *next_tb = &__get_cpu_var(decrementers_next_tb);
struct clock_event_device *evt = &__get_cpu_var(decrementers);
+ u64 now;
/* Ensure a positive value is written to the decrementer, or else
* some CPUs will continue to take decrementer exceptions.
@@ -508,9 +509,16 @@ void timer_interrupt(struct pt_regs * regs)
irq_work_run();
}
- *next_tb = ~(u64)0;
- if (evt->event_handler)
- evt->event_handler(evt);
+ now = get_tb_or_rtc();
+ if (now >= *next_tb) {
+ *next_tb = ~(u64)0;
+ if (evt->event_handler)
+ evt->event_handler(evt);
+ } else {
+ now = *next_tb - now;
+ if (now <= DECREMENTER_MAX)
+ set_dec((int)now);
+ }
#ifdef CONFIG_PPC64
/* collect purr register values often, for accurate calculations */