diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/include/asm/jump_label.h | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/ibmebus.c | 14 | ||||
-rw-r--r-- | arch/powerpc/kernel/iommu.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/irq.c | 5 | ||||
-rw-r--r-- | arch/powerpc/kernel/sysfs.c | 18 | ||||
-rw-r--r-- | arch/powerpc/kernel/tm.S | 95 | ||||
-rw-r--r-- | arch/powerpc/kernel/vio.c | 78 | ||||
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_rmhandlers.S | 2 | ||||
-rw-r--r-- | arch/powerpc/kvm/e500_mmu_host.c | 18 | ||||
-rw-r--r-- | arch/powerpc/lib/checksum_64.S | 58 | ||||
-rw-r--r-- | arch/powerpc/mm/init_64.c | 4 | ||||
-rw-r--r-- | arch/powerpc/mm/mem.c | 9 | ||||
-rw-r--r-- | arch/powerpc/net/bpf_jit_comp.c | 1 | ||||
-rw-r--r-- | arch/powerpc/perf/power8-pmu.c | 5 |
14 files changed, 214 insertions, 97 deletions
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index ae098c438f0..f016bb699b5 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -19,7 +19,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 16a7c2326d4..1114d13ac19 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -292,6 +292,7 @@ out: return rc; return count; } +static BUS_ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe); static ssize_t ibmebus_store_remove(struct bus_type *bus, const char *buf, size_t count) @@ -317,13 +318,14 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus, return -ENODEV; } } +static BUS_ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove); - -static struct bus_attribute ibmebus_bus_attrs[] = { - __ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe), - __ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove), - __ATTR_NULL +static struct attribute *ibmbus_bus_attrs[] = { + &bus_attr_probe.attr, + &bus_attr_remove.attr, + NULL, }; +ATTRIBUTE_GROUPS(ibmbus_bus); static int ibmebus_bus_bus_match(struct device *dev, struct device_driver *drv) { @@ -713,7 +715,7 @@ static struct dev_pm_ops ibmebus_bus_dev_pm_ops = { struct bus_type ibmebus_bus_type = { .name = "ibmebus", .uevent = of_device_uevent_modalias, - .bus_attrs = ibmebus_bus_attrs, + .bus_groups = ibmbus_bus_groups, .match = ibmebus_bus_bus_match, .probe = ibmebus_bus_device_probe, .remove = ibmebus_bus_device_remove, diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 0adab06ce5c..572bb5b95f3 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -661,7 +661,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) /* number of bytes needed for the bitmap */ sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); - page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz)); + page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz)); if (!page) panic("iommu_init_table: Can't allocate %ld bytes\n", sz); tbl->it_map = page_address(page); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5c4adfc6a6d..ba016561521 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -495,14 +495,15 @@ void __do_irq(struct pt_regs *regs) void do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); - struct thread_info *curtp, *irqtp; + struct thread_info *curtp, *irqtp, *sirqtp; /* Switch to the irq stack to handle this */ curtp = current_thread_info(); irqtp = hardirq_ctx[raw_smp_processor_id()]; + sirqtp = softirq_ctx[raw_smp_processor_id()]; /* Already there ? */ - if (unlikely(curtp == irqtp)) { + if (unlikely(curtp == irqtp || curtp == sirqtp)) { __do_irq(regs); set_irq_regs(old_regs); return; diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 27a90b99ef6..b4e667663d9 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -17,6 +17,7 @@ #include <asm/machdep.h> #include <asm/smp.h> #include <asm/pmc.h> +#include <asm/firmware.h> #include "cacheinfo.h" @@ -179,15 +180,25 @@ SYSFS_PMCSETUP(spurr, SPRN_SPURR); SYSFS_PMCSETUP(dscr, SPRN_DSCR); SYSFS_PMCSETUP(pir, SPRN_PIR); +/* + Lets only enable read for phyp resources and + enable write when needed with a separate function. + Lets be conservative and default to pseries. +*/ static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra); static DEVICE_ATTR(spurr, 0400, show_spurr, NULL); static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr); -static DEVICE_ATTR(purr, 0600, show_purr, store_purr); +static DEVICE_ATTR(purr, 0400, show_purr, store_purr); static DEVICE_ATTR(pir, 0400, show_pir, NULL); unsigned long dscr_default = 0; EXPORT_SYMBOL(dscr_default); +static void add_write_permission_dev_attr(struct device_attribute *attr) +{ + attr->attr.mode |= 0200; +} + static ssize_t show_dscr_default(struct device *dev, struct device_attribute *attr, char *buf) { @@ -394,8 +405,11 @@ static void register_cpu_online(unsigned int cpu) if (cpu_has_feature(CPU_FTR_MMCRA)) device_create_file(s, &dev_attr_mmcra); - if (cpu_has_feature(CPU_FTR_PURR)) + if (cpu_has_feature(CPU_FTR_PURR)) { + if (!firmware_has_feature(FW_FEATURE_LPAR)) + add_write_permission_dev_attr(&dev_attr_purr); device_create_file(s, &dev_attr_purr); + } if (cpu_has_feature(CPU_FTR_SPURR)) device_create_file(s, &dev_attr_spurr); diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 7b60b985146..cd809eaa8b5 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -79,6 +79,11 @@ _GLOBAL(tm_abort) TABORT(R3) blr + .section ".toc","aw" +DSCR_DEFAULT: + .tc dscr_default[TC],dscr_default + + .section ".text" /* void tm_reclaim(struct thread_struct *thread, * unsigned long orig_msr, @@ -123,6 +128,7 @@ _GLOBAL(tm_reclaim) mr r15, r14 ori r15, r15, MSR_FP li r16, MSR_RI + ori r16, r16, MSR_EE /* IRQs hard off */ andc r15, r15, r16 oris r15, r15, MSR_VEC@h #ifdef CONFIG_VSX @@ -187,11 +193,18 @@ dont_backup_fp: std r1, PACATMSCRATCH(r13) ld r1, PACAR1(r13) + /* Store the PPR in r11 and reset to decent value */ + std r11, GPR11(r1) /* Temporary stash */ + mfspr r11, SPRN_PPR + HMT_MEDIUM + /* Now get some more GPRS free */ std r7, GPR7(r1) /* Temporary stash */ std r12, GPR12(r1) /* '' '' '' */ ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */ + std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */ + addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */ /* Make r7 look like an exception frame so that we @@ -203,15 +216,19 @@ dont_backup_fp: SAVE_GPR(0, r7) /* user r0 */ SAVE_GPR(2, r7) /* user r2 */ SAVE_4GPRS(3, r7) /* user r3-r6 */ - SAVE_4GPRS(8, r7) /* user r8-r11 */ + SAVE_GPR(8, r7) /* user r8 */ + SAVE_GPR(9, r7) /* user r9 */ + SAVE_GPR(10, r7) /* user r10 */ ld r3, PACATMSCRATCH(r13) /* user r1 */ ld r4, GPR7(r1) /* user r7 */ - ld r5, GPR12(r1) /* user r12 */ - GET_SCRATCH0(6) /* user r13 */ + ld r5, GPR11(r1) /* user r11 */ + ld r6, GPR12(r1) /* user r12 */ + GET_SCRATCH0(8) /* user r13 */ std r3, GPR1(r7) std r4, GPR7(r7) - std r5, GPR12(r7) - std r6, GPR13(r7) + std r5, GPR11(r7) + std r6, GPR12(r7) + std r8, GPR13(r7) SAVE_NVGPRS(r7) /* user r14-r31 */ @@ -234,14 +251,12 @@ dont_backup_fp: std r6, _XER(r7) - /* ******************** TAR, PPR, DSCR ********** */ + /* ******************** TAR, DSCR ********** */ mfspr r3, SPRN_TAR - mfspr r4, SPRN_PPR - mfspr r5, SPRN_DSCR + mfspr r4, SPRN_DSCR std r3, THREAD_TM_TAR(r12) - std r4, THREAD_TM_PPR(r12) - std r5, THREAD_TM_DSCR(r12) + std r4, THREAD_TM_DSCR(r12) /* MSR and flags: We don't change CRs, and we don't need to alter * MSR. @@ -258,7 +273,7 @@ dont_backup_fp: std r3, THREAD_TM_TFHAR(r12) std r4, THREAD_TM_TFIAR(r12) - /* AMR and PPR are checkpointed too, but are unsupported by Linux. */ + /* AMR is checkpointed too, but is unsupported by Linux. */ /* Restore original MSR/IRQ state & clear TM mode */ ld r14, TM_FRAME_L0(r1) /* Orig MSR */ @@ -274,6 +289,12 @@ dont_backup_fp: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr @@ -358,25 +379,24 @@ dont_restore_fp: restore_gprs: - /* ******************** TAR, PPR, DSCR ********** */ - ld r4, THREAD_TM_TAR(r3) - ld r5, THREAD_TM_PPR(r3) - ld r6, THREAD_TM_DSCR(r3) + /* ******************** CR,LR,CCR,MSR ********** */ + ld r4, _CTR(r7) + ld r5, _LINK(r7) + ld r6, _CCR(r7) + ld r8, _XER(r7) - mtspr SPRN_TAR, r4 - mtspr SPRN_PPR, r5 - mtspr SPRN_DSCR, r6 + mtctr r4 + mtlr r5 + mtcr r6 + mtxer r8 - /* ******************** CR,LR,CCR,MSR ********** */ - ld r3, _CTR(r7) - ld r4, _LINK(r7) - ld r5, _CCR(r7) - ld r6, _XER(r7) + /* ******************** TAR ******************** */ + ld r4, THREAD_TM_TAR(r3) + mtspr SPRN_TAR, r4 - mtctr r3 - mtlr r4 - mtcr r5 - mtxer r6 + /* Load up the PPR and DSCR in GPRs only at this stage */ + ld r5, THREAD_TM_DSCR(r3) + ld r6, THREAD_TM_PPR(r3) /* Clear the MSR RI since we are about to change R1. EE is already off */ @@ -384,19 +404,26 @@ restore_gprs: mtmsrd r4, 1 REST_4GPRS(0, r7) /* GPR0-3 */ - REST_GPR(4, r7) /* GPR4-6 */ - REST_GPR(5, r7) - REST_GPR(6, r7) + REST_GPR(4, r7) /* GPR4 */ REST_4GPRS(8, r7) /* GPR8-11 */ REST_2GPRS(12, r7) /* GPR12-13 */ REST_NVGPRS(r7) /* GPR14-31 */ - ld r7, GPR7(r7) /* GPR7 */ + /* Load up PPR and DSCR here so we don't run with user values for long + */ + mtspr SPRN_DSCR, r5 + mtspr SPRN_PPR, r6 + + REST_GPR(5, r7) /* GPR5-7 */ + REST_GPR(6, r7) + ld r7, GPR7(r7) /* Commit register state as checkpointed state: */ TRECHKPT + HMT_MEDIUM + /* Our transactional state has now changed. * * Now just get out of here. Transactional (current) state will be @@ -419,6 +446,12 @@ restore_gprs: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr /* ****************************************************************** */ diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 78a350670de..408956fbf4f 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -997,21 +997,36 @@ static struct device_attribute vio_cmo_dev_attrs[] = { /* sysfs bus functions and data structures for CMO */ #define viobus_cmo_rd_attr(name) \ -static ssize_t \ -viobus_cmo_##name##_show(struct bus_type *bt, char *buf) \ +static ssize_t cmo_##name##_show(struct bus_type *bt, char *buf) \ { \ return sprintf(buf, "%lu\n", vio_cmo.name); \ -} +} \ +static BUS_ATTR_RO(cmo_##name) #define viobus_cmo_pool_rd_attr(name, var) \ static ssize_t \ -viobus_cmo_##name##_pool_show_##var(struct bus_type *bt, char *buf) \ +cmo_##name##_##var##_show(struct bus_type *bt, char *buf) \ { \ return sprintf(buf, "%lu\n", vio_cmo.name.var); \ +} \ +static BUS_ATTR_RO(cmo_##name##_##var) + +viobus_cmo_rd_attr(entitled); +viobus_cmo_rd_attr(spare); +viobus_cmo_rd_attr(min); +viobus_cmo_rd_attr(desired); +viobus_cmo_rd_attr(curr); +viobus_cmo_pool_rd_attr(reserve, size); +viobus_cmo_pool_rd_attr(excess, size); +viobus_cmo_pool_rd_attr(excess, free); + +static ssize_t cmo_high_show(struct bus_type *bt, char *buf) +{ + return sprintf(buf, "%lu\n", vio_cmo.high); } -static ssize_t viobus_cmo_high_reset(struct bus_type *bt, const char *buf, - size_t count) +static ssize_t cmo_high_store(struct bus_type *bt, const char *buf, + size_t count) { unsigned long flags; @@ -1021,35 +1036,26 @@ static ssize_t viobus_cmo_high_reset(struct bus_type *bt, const char *buf, return count; } - -viobus_cmo_rd_attr(entitled); -viobus_cmo_pool_rd_attr(reserve, size); -viobus_cmo_pool_rd_attr(excess, size); -viobus_cmo_pool_rd_attr(excess, free); -viobus_cmo_rd_attr(spare); -viobus_cmo_rd_attr(min); -viobus_cmo_rd_attr(desired); -viobus_cmo_rd_attr(curr); -viobus_cmo_rd_attr(high); - -static struct bus_attribute vio_cmo_bus_attrs[] = { - __ATTR(cmo_entitled, S_IRUGO, viobus_cmo_entitled_show, NULL), - __ATTR(cmo_reserve_size, S_IRUGO, viobus_cmo_reserve_pool_show_size, NULL), - __ATTR(cmo_excess_size, S_IRUGO, viobus_cmo_excess_pool_show_size, NULL), - __ATTR(cmo_excess_free, S_IRUGO, viobus_cmo_excess_pool_show_free, NULL), - __ATTR(cmo_spare, S_IRUGO, viobus_cmo_spare_show, NULL), - __ATTR(cmo_min, S_IRUGO, viobus_cmo_min_show, NULL), - __ATTR(cmo_desired, S_IRUGO, viobus_cmo_desired_show, NULL), - __ATTR(cmo_curr, S_IRUGO, viobus_cmo_curr_show, NULL), - __ATTR(cmo_high, S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP|S_IROTH, - viobus_cmo_high_show, viobus_cmo_high_reset), - __ATTR_NULL +static BUS_ATTR_RW(cmo_high); + +static struct attribute *vio_bus_attrs[] = { + &bus_attr_cmo_entitled.attr, + &bus_attr_cmo_spare.attr, + &bus_attr_cmo_min.attr, + &bus_attr_cmo_desired.attr, + &bus_attr_cmo_curr.attr, + &bus_attr_cmo_high.attr, + &bus_attr_cmo_reserve_size.attr, + &bus_attr_cmo_excess_size.attr, + &bus_attr_cmo_excess_free.attr, + NULL, }; +ATTRIBUTE_GROUPS(vio_bus); static void vio_cmo_sysfs_init(void) { vio_bus_type.dev_attrs = vio_cmo_dev_attrs; - vio_bus_type.bus_attrs = vio_cmo_bus_attrs; + vio_bus_type.bus_groups = vio_bus_groups; } #else /* CONFIG_PPC_SMLPAR */ int vio_cmo_entitlement_update(size_t new_entitlement) { return 0; } @@ -1530,11 +1536,15 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, const char *cp; dn = dev->of_node; - if (!dn) - return -ENODEV; + if (!dn) { + strcat(buf, "\n"); + return strlen(buf); + } cp = of_get_property(dn, "compatible", NULL); - if (!cp) - return -ENODEV; + if (!cp) { + strcat(buf, "\n"); + return strlen(buf); + } return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp); } diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 294b7af28cd..c71103b8a74 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1066,7 +1066,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) BEGIN_FTR_SECTION mfspr r8, SPRN_DSCR ld r7, HSTATE_DSCR(r13) - std r8, VCPU_DSCR(r7) + std r8, VCPU_DSCR(r9) mtspr SPRN_DSCR, r7 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c index 1c6a9d729df..c65593abae8 100644 --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -332,6 +332,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, unsigned long hva; int pfnmap = 0; int tsize = BOOK3E_PAGESZ_4K; + int ret = 0; + unsigned long mmu_seq; + struct kvm *kvm = vcpu_e500->vcpu.kvm; + + /* used to check for invalidations in progress */ + mmu_seq = kvm->mmu_notifier_seq; + smp_rmb(); /* * Translate guest physical to true physical, acquiring @@ -449,6 +456,12 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1); } + spin_lock(&kvm->mmu_lock); + if (mmu_notifier_retry(kvm, mmu_seq)) { + ret = -EAGAIN; + goto out; + } + kvmppc_e500_ref_setup(ref, gtlbe, pfn); kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize, @@ -457,10 +470,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, /* Clear i-cache for new pages */ kvmppc_mmu_flush_icache(pfn); +out: + spin_unlock(&kvm->mmu_lock); + /* Drop refcount on page, so that mmu notifiers can clear it */ kvm_release_pfn_clean(pfn); - return 0; + return ret; } /* XXX only map the one-one case, for now use TLB0 */ diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S index 167f72555d6..57a07206505 100644 --- a/arch/powerpc/lib/checksum_64.S +++ b/arch/powerpc/lib/checksum_64.S @@ -226,19 +226,35 @@ _GLOBAL(csum_partial) blr - .macro source + .macro srcnr 100: .section __ex_table,"a" .align 3 - .llong 100b,.Lsrc_error + .llong 100b,.Lsrc_error_nr .previous .endm - .macro dest + .macro source +150: + .section __ex_table,"a" + .align 3 + .llong 150b,.Lsrc_error + .previous + .endm + + .macro dstnr 200: .section __ex_table,"a" .align 3 - .llong 200b,.Ldest_error + .llong 200b,.Ldest_error_nr + .previous + .endm + + .macro dest +250: + .section __ex_table,"a" + .align 3 + .llong 250b,.Ldest_error .previous .endm @@ -269,16 +285,16 @@ _GLOBAL(csum_partial_copy_generic) rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */ beq .Lcopy_aligned - li r7,4 - sub r6,r7,r6 + li r9,4 + sub r6,r9,r6 mtctr r6 1: -source; lhz r6,0(r3) /* align to doubleword */ +srcnr; lhz r6,0(r3) /* align to doubleword */ subi r5,r5,2 addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 bdnz 1b @@ -392,10 +408,10 @@ dest; std r16,56(r4) mtctr r6 3: -source; ld r6,0(r3) +srcnr; ld r6,0(r3) addi r3,r3,8 adde r0,r0,r6 -dest; std r6,0(r4) +dstnr; std r6,0(r4) addi r4,r4,8 bdnz 3b @@ -405,10 +421,10 @@ dest; std r6,0(r4) srdi. r6,r5,2 beq .Lcopy_tail_halfword -source; lwz r6,0(r3) +srcnr; lwz r6,0(r3) addi r3,r3,4 adde r0,r0,r6 -dest; stw r6,0(r4) +dstnr; stw r6,0(r4) addi r4,r4,4 subi r5,r5,4 @@ -416,10 +432,10 @@ dest; stw r6,0(r4) srdi. r6,r5,1 beq .Lcopy_tail_byte -source; lhz r6,0(r3) +srcnr; lhz r6,0(r3) addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 subi r5,r5,2 @@ -427,10 +443,10 @@ dest; sth r6,0(r4) andi. r6,r5,1 beq .Lcopy_finish -source; lbz r6,0(r3) +srcnr; lbz r6,0(r3) sldi r9,r6,8 /* Pad the byte out to 16 bits */ adde r0,r0,r9 -dest; stb r6,0(r4) +dstnr; stb r6,0(r4) .Lcopy_finish: addze r0,r0 /* add in final carry */ @@ -440,6 +456,11 @@ dest; stb r6,0(r4) blr .Lsrc_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Lsrc_error_nr: cmpdi 0,r7,0 beqlr li r6,-EFAULT @@ -447,6 +468,11 @@ dest; stb r6,0(r4) blr .Ldest_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Ldest_error_nr: cmpdi 0,r8,0 beqlr li r6,-EFAULT diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index d0cd9e4c683..8ed035d2edb 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -300,5 +300,9 @@ void vmemmap_free(unsigned long start, unsigned long end) { } +void register_page_bootmem_memmap(unsigned long section_nr, + struct page *start_page, unsigned long size) +{ +} #endif /* CONFIG_SPARSEMEM_VMEMMAP */ diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 1cf9c5b67f2..3fa93dc7fe7 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -297,12 +297,21 @@ void __init paging_init(void) } #endif /* ! CONFIG_NEED_MULTIPLE_NODES */ +static void __init register_page_bootmem_info(void) +{ + int i; + + for_each_online_node(i) + register_page_bootmem_info_node(NODE_DATA(i)); +} + void __init mem_init(void) { #ifdef CONFIG_SWIOTLB swiotlb_init(0); #endif + register_page_bootmem_info(); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); set_max_mapnr(max_pfn); free_all_bootmem(); diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index bf56e33f825..2345bdb4d91 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -691,4 +691,5 @@ void bpf_jit_free(struct sk_filter *fp) { if (fp->bpf_func != sk_run_filter) module_free(NULL, fp->bpf_func); + kfree(fp); } diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 2ee4a707f0d..a3f7abd2f13 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -199,6 +199,7 @@ #define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1))) #define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1)) #define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8) +#define MMCR1_FAB_SHIFT 36 #define MMCR1_DC_QUAL_SHIFT 47 #define MMCR1_IC_QUAL_SHIFT 46 @@ -388,8 +389,8 @@ static int power8_compute_mmcr(u64 event[], int n_ev, * the threshold bits are used for the match value. */ if (event_is_fab_match(event[i])) { - mmcr1 |= (event[i] >> EVENT_THR_CTL_SHIFT) & - EVENT_THR_CTL_MASK; + mmcr1 |= ((event[i] >> EVENT_THR_CTL_SHIFT) & + EVENT_THR_CTL_MASK) << MMCR1_FAB_SHIFT; } else { val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK; mmcra |= val << MMCRA_THR_CTL_SHIFT; |