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: Fix userspace build of ptrace.h powerpc: Fix default_machine_crash_shutdown #ifdef botch powerpc: Fix logic error in fixup_irqs powerpc/iseries: Fix possible null pointer dereference in iSeries_pcibios_fixup_resources powerpc: Linux cannot run with 0 cores powerpc: Fix feature-fixup tests for gcc 4.5 powerpc: Disable SPARSE_IRQ by default powerpc: Fix compile errors in prom_init_check for gcc 4.5 powerpc: Fix module building for gcc 4.5 and 64 bit powerpc/perf_event: Fix for power_pmu_disable()
This commit is contained in:
Linus Torvalds
commit
31016e9941
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@ -400,7 +400,7 @@ config IRQ_ALL_CPUS
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config SPARSE_IRQ
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bool "Support sparse irq numbering"
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default y
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default n
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help
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This enables support for sparse irqs. This is useful for distro
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kernels that want to define a high CONFIG_NR_CPUS value but still
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@ -409,7 +409,7 @@ config SPARSE_IRQ
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( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
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out the irq_desc[] array in a more NUMA-friendly way. )
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If you don't know what to do here, say Y.
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If you don't know what to do here, say N.
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config NUMA
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bool "NUMA support"
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@ -92,10 +92,10 @@ endif
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else
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KBUILD_CFLAGS += $(call cc-option,-mtune=power4)
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endif
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else
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LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
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endif
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LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
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ifeq ($(CONFIG_TUNE_CELL),y)
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KBUILD_CFLAGS += $(call cc-option,-mtune=cell)
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endif
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@ -24,11 +24,7 @@
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* 2 of the License, or (at your option) any later version.
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*/
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#ifdef __KERNEL__
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#include <linux/types.h>
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#else
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#include <stdint.h>
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#endif
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#ifndef __ASSEMBLY__
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@ -364,13 +360,13 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
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#ifndef __ASSEMBLY__
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struct ppc_debug_info {
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uint32_t version; /* Only version 1 exists to date */
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uint32_t num_instruction_bps;
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uint32_t num_data_bps;
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uint32_t num_condition_regs;
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uint32_t data_bp_alignment;
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uint32_t sizeof_condition; /* size of the DVC register */
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uint64_t features;
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__u32 version; /* Only version 1 exists to date */
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__u32 num_instruction_bps;
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__u32 num_data_bps;
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__u32 num_condition_regs;
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__u32 data_bp_alignment;
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__u32 sizeof_condition; /* size of the DVC register */
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__u64 features;
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};
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#endif /* __ASSEMBLY__ */
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@ -386,13 +382,13 @@ struct ppc_debug_info {
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#ifndef __ASSEMBLY__
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struct ppc_hw_breakpoint {
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uint32_t version; /* currently, version must be 1 */
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uint32_t trigger_type; /* only some combinations allowed */
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uint32_t addr_mode; /* address match mode */
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uint32_t condition_mode; /* break/watchpoint condition flags */
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uint64_t addr; /* break/watchpoint address */
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uint64_t addr2; /* range end or mask */
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uint64_t condition_value; /* contents of the DVC register */
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__u32 version; /* currently, version must be 1 */
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__u32 trigger_type; /* only some combinations allowed */
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__u32 addr_mode; /* address match mode */
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__u32 condition_mode; /* break/watchpoint condition flags */
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__u64 addr; /* break/watchpoint address */
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__u64 addr2; /* range end or mask */
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__u64 condition_value; /* contents of the DVC register */
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};
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#endif /* __ASSEMBLY__ */
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@ -447,7 +447,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
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crash_kexec_prepare_cpus(crashing_cpu);
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cpu_set(crashing_cpu, cpus_in_crash);
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crash_kexec_stop_spus();
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#ifdef CONFIG_PPC_STD_MMU_64
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#if defined(CONFIG_PPC_STD_MMU_64) && defined(CONFIG_SMP)
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crash_kexec_wait_realmode(crashing_cpu);
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#endif
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if (ppc_md.kexec_cpu_down)
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@ -295,7 +295,10 @@ void fixup_irqs(const struct cpumask *map)
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for_each_irq(irq) {
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desc = irq_to_desc(irq);
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if (desc && desc->status & IRQ_PER_CPU)
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if (!desc)
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continue;
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if (desc->status & IRQ_PER_CPU)
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continue;
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cpumask_and(mask, desc->affinity, map);
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@ -791,8 +791,11 @@ static void power_pmu_disable(struct perf_event *event)
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cpuhw = &__get_cpu_var(cpu_hw_events);
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for (i = 0; i < cpuhw->n_events; ++i) {
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if (event == cpuhw->event[i]) {
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while (++i < cpuhw->n_events)
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while (++i < cpuhw->n_events) {
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cpuhw->event[i-1] = cpuhw->event[i];
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cpuhw->events[i-1] = cpuhw->events[i];
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cpuhw->flags[i-1] = cpuhw->flags[i];
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}
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--cpuhw->n_events;
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ppmu->disable_pmc(event->hw.idx - 1, cpuhw->mmcr);
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if (event->hw.idx) {
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@ -872,7 +872,7 @@ static void __init prom_send_capabilities(void)
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"ibm_architecture_vec structure inconsistent: 0x%x !\n",
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*cores);
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} else {
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*cores = NR_CPUS / prom_count_smt_threads();
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*cores = DIV_ROUND_UP(NR_CPUS, prom_count_smt_threads());
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prom_printf("Max number of cores passed to firmware: 0x%x\n",
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(unsigned long)*cores);
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}
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@ -52,12 +52,18 @@ do
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if [ "${UNDEF:0:9}" = "_restgpr_" ]; then
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OK=1
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fi
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if [ "${UNDEF:0:10}" = "_restgpr0_" ]; then
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OK=1
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fi
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if [ "${UNDEF:0:11}" = "_rest32gpr_" ]; then
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OK=1
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fi
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if [ "${UNDEF:0:9}" = "_savegpr_" ]; then
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OK=1
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fi
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if [ "${UNDEF:0:10}" = "_savegpr0_" ]; then
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OK=1
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fi
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if [ "${UNDEF:0:11}" = "_save32gpr_" ]; then
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OK=1
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fi
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@ -12,8 +12,8 @@ CFLAGS_REMOVE_code-patching.o = -pg
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CFLAGS_REMOVE_feature-fixups.o = -pg
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obj-y := string.o alloc.o \
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checksum_$(CONFIG_WORD_SIZE).o
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obj-$(CONFIG_PPC32) += div64.o copy_32.o crtsavres.o
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checksum_$(CONFIG_WORD_SIZE).o crtsavres.o
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obj-$(CONFIG_PPC32) += div64.o copy_32.o
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obj-$(CONFIG_HAS_IOMEM) += devres.o
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obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \
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@ -6,6 +6,7 @@
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* Written By Michael Meissner
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*
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* Based on gcc/config/rs6000/crtsavres.asm from gcc
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* 64 bit additions from reading the PPC elf64abi document.
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@ -44,6 +45,8 @@
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#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
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#ifndef CONFIG_PPC64
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/* Routines for saving integer registers, called by the compiler. */
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/* Called with r11 pointing to the stack header word of the caller of the */
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/* function, just beyond the end of the integer save area. */
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@ -226,4 +229,130 @@ _GLOBAL(_rest32gpr_31_x)
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mtlr 0
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mr 1,11
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blr
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#else /* CONFIG_PPC64 */
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.globl _savegpr0_14
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_savegpr0_14:
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std r14,-144(r1)
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.globl _savegpr0_15
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_savegpr0_15:
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std r15,-136(r1)
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.globl _savegpr0_16
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_savegpr0_16:
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std r16,-128(r1)
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.globl _savegpr0_17
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_savegpr0_17:
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std r17,-120(r1)
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.globl _savegpr0_18
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_savegpr0_18:
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std r18,-112(r1)
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.globl _savegpr0_19
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_savegpr0_19:
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std r19,-104(r1)
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.globl _savegpr0_20
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_savegpr0_20:
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std r20,-96(r1)
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.globl _savegpr0_21
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_savegpr0_21:
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std r21,-88(r1)
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.globl _savegpr0_22
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_savegpr0_22:
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std r22,-80(r1)
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.globl _savegpr0_23
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_savegpr0_23:
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std r23,-72(r1)
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.globl _savegpr0_24
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_savegpr0_24:
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std r24,-64(r1)
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.globl _savegpr0_25
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_savegpr0_25:
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std r25,-56(r1)
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.globl _savegpr0_26
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_savegpr0_26:
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std r26,-48(r1)
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.globl _savegpr0_27
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_savegpr0_27:
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std r27,-40(r1)
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.globl _savegpr0_28
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_savegpr0_28:
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std r28,-32(r1)
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.globl _savegpr0_29
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_savegpr0_29:
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std r29,-24(r1)
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.globl _savegpr0_30
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_savegpr0_30:
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std r30,-16(r1)
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.globl _savegpr0_31
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_savegpr0_31:
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std r31,-8(r1)
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std r0,16(r1)
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blr
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.globl _restgpr0_14
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_restgpr0_14:
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ld r14,-144(r1)
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.globl _restgpr0_15
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_restgpr0_15:
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ld r15,-136(r1)
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.globl _restgpr0_16
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_restgpr0_16:
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ld r16,-128(r1)
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.globl _restgpr0_17
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_restgpr0_17:
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ld r17,-120(r1)
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.globl _restgpr0_18
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_restgpr0_18:
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ld r18,-112(r1)
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.globl _restgpr0_19
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_restgpr0_19:
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ld r19,-104(r1)
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.globl _restgpr0_20
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_restgpr0_20:
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ld r20,-96(r1)
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.globl _restgpr0_21
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_restgpr0_21:
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ld r21,-88(r1)
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.globl _restgpr0_22
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_restgpr0_22:
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ld r22,-80(r1)
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.globl _restgpr0_23
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_restgpr0_23:
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ld r23,-72(r1)
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.globl _restgpr0_24
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_restgpr0_24:
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ld r24,-64(r1)
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.globl _restgpr0_25
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_restgpr0_25:
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ld r25,-56(r1)
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.globl _restgpr0_26
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_restgpr0_26:
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ld r26,-48(r1)
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.globl _restgpr0_27
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_restgpr0_27:
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ld r27,-40(r1)
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.globl _restgpr0_28
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_restgpr0_28:
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ld r28,-32(r1)
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.globl _restgpr0_29
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_restgpr0_29:
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ld r0,16(r1)
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ld r29,-24(r1)
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mtlr r0
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ld r30,-16(r1)
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ld r31,-8(r1)
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blr
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.globl _restgpr0_30
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_restgpr0_30:
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ld r30,-16(r1)
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.globl _restgpr0_31
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_restgpr0_31:
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ld r0,16(r1)
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ld r31,-8(r1)
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mtlr r0
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blr
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#endif /* CONFIG_PPC64 */
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#endif
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@ -12,6 +12,7 @@
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/init.h>
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@ -288,8 +289,8 @@ static void test_alternative_case_with_external_branch(void)
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static void test_cpu_macros(void)
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{
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extern void ftr_fixup_test_FTR_macros;
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extern void ftr_fixup_test_FTR_macros_expected;
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extern u8 ftr_fixup_test_FTR_macros;
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extern u8 ftr_fixup_test_FTR_macros_expected;
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unsigned long size = &ftr_fixup_test_FTR_macros_expected -
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&ftr_fixup_test_FTR_macros;
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@ -301,8 +302,8 @@ static void test_cpu_macros(void)
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static void test_fw_macros(void)
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{
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#ifdef CONFIG_PPC64
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extern void ftr_fixup_test_FW_FTR_macros;
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extern void ftr_fixup_test_FW_FTR_macros_expected;
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extern u8 ftr_fixup_test_FW_FTR_macros;
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extern u8 ftr_fixup_test_FW_FTR_macros_expected;
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unsigned long size = &ftr_fixup_test_FW_FTR_macros_expected -
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&ftr_fixup_test_FW_FTR_macros;
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@ -314,10 +315,10 @@ static void test_fw_macros(void)
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static void test_lwsync_macros(void)
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{
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extern void lwsync_fixup_test;
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extern void end_lwsync_fixup_test;
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extern void lwsync_fixup_test_expected_LWSYNC;
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extern void lwsync_fixup_test_expected_SYNC;
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extern u8 lwsync_fixup_test;
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extern u8 end_lwsync_fixup_test;
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extern u8 lwsync_fixup_test_expected_LWSYNC;
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extern u8 lwsync_fixup_test_expected_SYNC;
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unsigned long size = &end_lwsync_fixup_test -
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&lwsync_fixup_test;
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@ -445,7 +445,11 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
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}
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allocate_device_bars(pdev);
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iseries_device_information(pdev, bus, *sub_bus);
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if (likely(sub_bus))
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iseries_device_information(pdev, bus, *sub_bus);
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else
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printk(KERN_ERR "PCI: Device node %s has missing or invalid "
|
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"linux,subbus property\n", node->full_name);
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}
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/*
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|
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@ -503,6 +503,11 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname)
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strncmp(symname, "_rest32gpr_", sizeof("_rest32gpr_") - 1) == 0 ||
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strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0)
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return 1;
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if (info->hdr->e_machine == EM_PPC64)
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/* Special register function linked on all modules during final link of .ko */
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if (strncmp(symname, "_restgpr0_", sizeof("_restgpr0_") - 1) == 0 ||
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strncmp(symname, "_savegpr0_", sizeof("_savegpr0_") - 1) == 0)
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return 1;
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/* Do not ignore this symbol */
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return 0;
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}
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|
|
|
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Reference in New Issue