diff options
Diffstat (limited to 'arch')
28 files changed, 95 insertions, 108 deletions
diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index 4b6b3f72a215..b71420a12f26 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -61,8 +61,6 @@ #define AARCH64_BREAK_KGDB_DYN_DBG \ (AARCH64_BREAK_MON | (KGDB_DYN_DBG_BRK_IMM << 5)) -#define KGDB_DYN_BRK_INS_BYTE(x) \ - ((AARCH64_BREAK_KGDB_DYN_DBG >> (8 * (x))) & 0xff) #define CACHE_FLUSH_IS_SAFE 1 diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c index 8c57f6496e56..e017a9493b92 100644 --- a/arch/arm64/kernel/kgdb.c +++ b/arch/arm64/kernel/kgdb.c @@ -19,10 +19,13 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/bug.h> #include <linux/irq.h> #include <linux/kdebug.h> #include <linux/kgdb.h> #include <linux/kprobes.h> +#include <asm/debug-monitors.h> +#include <asm/insn.h> #include <asm/traps.h> struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = { @@ -338,15 +341,24 @@ void kgdb_arch_exit(void) unregister_die_notifier(&kgdb_notifier); } -/* - * ARM instructions are always in LE. - * Break instruction is encoded in LE format - */ -struct kgdb_arch arch_kgdb_ops = { - .gdb_bpt_instr = { - KGDB_DYN_BRK_INS_BYTE(0), - KGDB_DYN_BRK_INS_BYTE(1), - KGDB_DYN_BRK_INS_BYTE(2), - KGDB_DYN_BRK_INS_BYTE(3), - } -}; +struct kgdb_arch arch_kgdb_ops; + +int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) +{ + int err; + + BUILD_BUG_ON(AARCH64_INSN_SIZE != BREAK_INSTR_SIZE); + + err = aarch64_insn_read((void *)bpt->bpt_addr, (u32 *)bpt->saved_instr); + if (err) + return err; + + return aarch64_insn_write((void *)bpt->bpt_addr, + (u32)AARCH64_BREAK_KGDB_DYN_DBG); +} + +int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) +{ + return aarch64_insn_write((void *)bpt->bpt_addr, + *(u32 *)bpt->saved_instr); +} diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index d93d43352504..3ff173e92582 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -201,12 +201,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) return ret; } -static void smp_store_cpu_info(unsigned int cpuid) -{ - store_cpu_topology(cpuid); - numa_store_cpu_info(cpuid); -} - /* * This is the secondary CPU boot entry. We're using this CPUs * idle thread stack, but a set of temporary page tables. @@ -254,7 +248,7 @@ asmlinkage void secondary_start_kernel(void) */ notify_cpu_starting(cpu); - smp_store_cpu_info(cpu); + store_cpu_topology(cpu); /* * OK, now it's safe to let the boot CPU continue. Wait for @@ -689,10 +683,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { int err; unsigned int cpu; + unsigned int this_cpu; init_cpu_topology(); - smp_store_cpu_info(smp_processor_id()); + this_cpu = smp_processor_id(); + store_cpu_topology(this_cpu); + numa_store_cpu_info(this_cpu); /* * If UP is mandated by "nosmp" (which implies "maxcpus=0"), don't set @@ -719,6 +716,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) continue; set_cpu_present(cpu, true); + numa_store_cpu_info(cpu); } } diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 26388562e300..212ff92920d2 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -65,6 +65,7 @@ config MIPS select ARCH_CLOCKSOURCE_DATA select HANDLE_DOMAIN_IRQ select HAVE_EXIT_THREAD + select HAVE_REGS_AND_STACK_ACCESS_API menu "Machine selection" diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index f0e314ceb8ba..7f975b20b20c 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -113,42 +113,6 @@ config SPINLOCK_TEST help Add several files to the debugfs to test spinlock speed. -if CPU_MIPSR6 - -choice - prompt "Compact branch policy" - default MIPS_COMPACT_BRANCHES_OPTIMAL - -config MIPS_COMPACT_BRANCHES_NEVER - bool "Never (force delay slot branches)" - help - Pass the -mcompact-branches=never flag to the compiler in order to - force it to always emit branches with delay slots, and make no use - of the compact branch instructions introduced by MIPSr6. This is - useful if you suspect there may be an issue with compact branches in - either the compiler or the CPU. - -config MIPS_COMPACT_BRANCHES_OPTIMAL - bool "Optimal (use where beneficial)" - help - Pass the -mcompact-branches=optimal flag to the compiler in order for - it to make use of compact branch instructions where it deems them - beneficial, and use branches with delay slots elsewhere. This is the - default compiler behaviour, and should be used unless you have a - reason to choose otherwise. - -config MIPS_COMPACT_BRANCHES_ALWAYS - bool "Always (force compact branches)" - help - Pass the -mcompact-branches=always flag to the compiler in order to - force it to always emit compact branches, making no use of branch - instructions with delay slots. This can result in more compact code - which may be beneficial in some scenarios. - -endchoice - -endif # CPU_MIPSR6 - config SCACHE_DEBUGFS bool "L2 cache debugfs entries" depends on DEBUG_FS diff --git a/arch/mips/Makefile b/arch/mips/Makefile index efd7a9dc93c4..598ab2930fce 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -203,10 +203,6 @@ endif toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_NEVER) += -mcompact-branches=never -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_OPTIMAL) += -mcompact-branches=optimal -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_ALWAYS) += -mcompact-branches=always - # # Firmware support # diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index 2e7378467c5c..cc3a1e33a600 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -96,7 +96,7 @@ static struct clk * __init ath79_reg_ffclk(const char *name, struct clk *clk; clk = clk_register_fixed_factor(NULL, name, parent_name, 0, mult, div); - if (!clk) + if (IS_ERR(clk)) panic("failed to allocate %s clock structure", name); return clk; diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index b31fbc9d6eae..37a932d9148c 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -1059,7 +1059,7 @@ static int __init octeon_publish_devices(void) { return of_platform_bus_probe(NULL, octeon_ids, NULL); } -device_initcall(octeon_publish_devices); +arch_initcall(octeon_publish_devices); MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h index 56584a659183..83054f79f72a 100644 --- a/arch/mips/include/asm/asmmacro.h +++ b/arch/mips/include/asm/asmmacro.h @@ -157,6 +157,7 @@ ldc1 $f28, THREAD_FPR28(\thread) ldc1 $f30, THREAD_FPR30(\thread) ctc1 \tmp, fcr31 + .set pop .endm .macro fpu_restore_16odd thread diff --git a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h index 0cf5ac1f7245..8ff2cbdf2c3e 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h +++ b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h @@ -15,8 +15,8 @@ static inline bool __should_swizzle_bits(volatile void *a) { extern const bool octeon_should_swizzle_table[]; + u64 did = ((u64)(uintptr_t)a >> 40) & 0xff; - unsigned long did = ((unsigned long)a >> 40) & 0xff; return octeon_should_swizzle_table[did]; } @@ -29,7 +29,7 @@ static inline bool __should_swizzle_bits(volatile void *a) #define __should_swizzle_bits(a) false -static inline bool __should_swizzle_addr(unsigned long p) +static inline bool __should_swizzle_addr(u64 p) { /* boot bus? */ return ((p >> 40) & 0xff) == 0; diff --git a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h index 2f82bfa3a773..c9f5769dfc8f 100644 --- a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h @@ -11,11 +11,13 @@ #define CP0_EBASE $15, 1 .macro kernel_entry_setup +#ifdef CONFIG_SMP mfc0 t0, CP0_EBASE andi t0, t0, 0x3ff # CPUNum beqz t0, 1f # CPUs other than zero goto smp_bootstrap j smp_bootstrap +#endif /* CONFIG_SMP */ 1: .endm diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index c3372cac6db2..0a7e10b5f9e3 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -1164,7 +1164,9 @@ fpu_emul: regs->regs[31] = r31; regs->cp0_epc = epc; if (!used_math()) { /* First time FPU user. */ + preempt_disable(); err = init_fpu(); + preempt_enable(); set_used_math(); } lose_fpu(1); /* Save FPU state for the emulator. */ diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 7429ad09fbe3..d2d061520a23 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -605,14 +605,14 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) return -EOPNOTSUPP; /* Avoid inadvertently triggering emulation */ - if ((value & PR_FP_MODE_FR) && cpu_has_fpu && - !(current_cpu_data.fpu_id & MIPS_FPIR_F64)) + if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu && + !(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64)) return -EOPNOTSUPP; - if ((value & PR_FP_MODE_FRE) && cpu_has_fpu && !cpu_has_fre) + if ((value & PR_FP_MODE_FRE) && raw_cpu_has_fpu && !cpu_has_fre) return -EOPNOTSUPP; /* FR = 0 not supported in MIPS R6 */ - if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6) + if (!(value & PR_FP_MODE_FR) && raw_cpu_has_fpu && cpu_has_mips_r6) return -EOPNOTSUPP; /* Proceed with the mode switch */ diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 36cf8d65c47d..3be0e6ba2797 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -87,6 +87,13 @@ void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type) int x = boot_mem_map.nr_map; int i; + /* + * If the region reaches the top of the physical address space, adjust + * the size slightly so that (start + size) doesn't overflow + */ + if (start + size - 1 == (phys_addr_t)ULLONG_MAX) + --size; + /* Sanity check */ if (start + size < start) { pr_warn("Trying to add an invalid memory region, skipped\n"); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index f95f094f36e4..b0baf48951fa 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -322,6 +322,9 @@ asmlinkage void start_secondary(void) cpumask_set_cpu(cpu, &cpu_coherent_mask); notify_cpu_starting(cpu); + cpumask_set_cpu(cpu, &cpu_callin_map); + synchronise_count_slave(cpu); + set_cpu_online(cpu, true); set_cpu_sibling_map(cpu); @@ -329,10 +332,6 @@ asmlinkage void start_secondary(void) calculate_cpu_foreign_map(); - cpumask_set_cpu(cpu, &cpu_callin_map); - - synchronise_count_slave(cpu); - /* * irq will be enabled in ->smp_finish(), enabling it too early * is dangerous. diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c index 8452d933a645..1149b30c9aeb 100644 --- a/arch/mips/kernel/uprobes.c +++ b/arch/mips/kernel/uprobes.c @@ -222,7 +222,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, return NOTIFY_DONE; switch (val) { - case DIE_BREAK: + case DIE_UPROBE: if (uprobe_pre_sstep_notifier(regs)) return NOTIFY_STOP; break; diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index 9abe447a4b48..f9dbfb14af33 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -39,16 +39,16 @@ static struct vm_special_mapping vdso_vvar_mapping = { static void __init init_vdso_image(struct mips_vdso_image *image) { unsigned long num_pages, i; + unsigned long data_pfn; BUG_ON(!PAGE_ALIGNED(image->data)); BUG_ON(!PAGE_ALIGNED(image->size)); num_pages = image->size / PAGE_SIZE; - for (i = 0; i < num_pages; i++) { - image->mapping.pages[i] = - virt_to_page(image->data + (i * PAGE_SIZE)); - } + data_pfn = __phys_to_pfn(__pa_symbol(image->data)); + for (i = 0; i < num_pages; i++) + image->mapping.pages[i] = pfn_to_page(data_pfn + i); } static int __init init_vdso(void) diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 72a4642eee2c..4a094f7acb3d 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -298,5 +298,6 @@ bool do_dsemulret(struct pt_regs *xcp) /* Set EPC to return to post-branch instruction */ xcp->cp0_epc = current->thread.bd_emu_cont_pc; pr_debug("dsemulret to 0x%08lx\n", xcp->cp0_epc); + MIPS_FPU_EMU_INC_STATS(ds_emul); return true; } diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index cd72805b64a7..fa7d8d3790bf 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -800,7 +800,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end) * If address-based cache ops don't require an SMP call, then * use them exclusively for small flushes. */ - size = start - end; + size = end - start; cache_size = icache_size; if (!cpu_has_ic_fills_f_dc) { size *= 2; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index a5509e7dcad2..2c3749d98f04 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -261,7 +261,6 @@ unsigned __weak platform_maar_init(unsigned num_pairs) { struct maar_config cfg[BOOT_MEM_MAP_MAX]; unsigned i, num_configured, num_cfg = 0; - phys_addr_t skip; for (i = 0; i < boot_mem_map.nr_map; i++) { switch (boot_mem_map.map[i].type) { @@ -272,14 +271,14 @@ unsigned __weak platform_maar_init(unsigned num_pairs) continue; } - skip = 0x10000 - (boot_mem_map.map[i].addr & 0xffff); - + /* Round lower up */ cfg[num_cfg].lower = boot_mem_map.map[i].addr; - cfg[num_cfg].lower += skip; + cfg[num_cfg].lower = (cfg[num_cfg].lower + 0xffff) & ~0xffff; - cfg[num_cfg].upper = cfg[num_cfg].lower; - cfg[num_cfg].upper += boot_mem_map.map[i].size - 1; - cfg[num_cfg].upper -= skip; + /* Round upper down */ + cfg[num_cfg].upper = boot_mem_map.map[i].addr + + boot_mem_map.map[i].size; + cfg[num_cfg].upper = (cfg[num_cfg].upper & ~0xffff) - 1; cfg[num_cfg].attrs = MIPS_MAAR_S; num_cfg++; diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index bc0c91e84ca0..38a5c657ffd3 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -124,6 +124,13 @@ static inline bool pnv_pci_is_m64(struct pnv_phb *phb, struct resource *r) r->start < (phb->ioda.m64_base + phb->ioda.m64_size)); } +static inline bool pnv_pci_is_m64_flags(unsigned long resource_flags) +{ + unsigned long flags = (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH); + + return (resource_flags & flags) == flags; +} + static struct pnv_ioda_pe *pnv_ioda_init_pe(struct pnv_phb *phb, int pe_no) { phb->ioda.pe_array[pe_no].phb = phb; @@ -2871,7 +2878,7 @@ static void pnv_pci_ioda_fixup_iov_resources(struct pci_dev *pdev) res = &pdev->resource[i + PCI_IOV_RESOURCES]; if (!res->flags || res->parent) continue; - if (!pnv_pci_is_m64(phb, res)) { + if (!pnv_pci_is_m64_flags(res->flags)) { dev_warn(&pdev->dev, "Don't support SR-IOV with" " non M64 VF BAR%d: %pR. \n", i, res); @@ -3096,7 +3103,7 @@ static resource_size_t pnv_pci_window_alignment(struct pci_bus *bus, * alignment for any 64-bit resource, PCIe doesn't care and * bridges only do 64-bit prefetchable anyway. */ - if (phb->ioda.m64_segsize && (type & IORESOURCE_MEM_64)) + if (phb->ioda.m64_segsize && pnv_pci_is_m64_flags(type)) return phb->ioda.m64_segsize; if (type & IORESOURCE_MEM) return phb->ioda.m32_segsize; diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h index caea2c45f6c2..1d159ce50f5a 100644 --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -60,7 +60,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \ " movco.l %0, @%3 \n" \ " bf 1b \n" \ " synco \n" \ - : "=&z" (temp), "=&z" (res) \ + : "=&z" (temp), "=&r" (res) \ : "r" (i), "r" (&v->counter) \ : "t"); \ \ diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h index 4f741192846d..3dab75f2a673 100644 --- a/arch/x86/entry/vdso/vdso2c.h +++ b/arch/x86/entry/vdso/vdso2c.h @@ -22,7 +22,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, ELF(Phdr) *pt = (ELF(Phdr) *)(raw_addr + GET_LE(&hdr->e_phoff)); - if (hdr->e_type != ET_DYN) + if (GET_LE(&hdr->e_type) != ET_DYN) fail("input is not a shared object\n"); /* Walk the segment table. */ diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index bdcd6510992c..982c9e31daca 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -455,7 +455,7 @@ int intel_bts_interrupt(void) * The only surefire way of knowing if this NMI is ours is by checking * the write ptr against the PMI threshold. */ - if (ds->bts_index >= ds->bts_interrupt_threshold) + if (ds && (ds->bts_index >= ds->bts_interrupt_threshold)) handled = 1; /* @@ -584,7 +584,8 @@ static __init int bts_init(void) if (!boot_cpu_has(X86_FEATURE_DTES64) || !x86_pmu.bts) return -ENODEV; - bts_pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_ITRACE; + bts_pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_ITRACE | + PERF_PMU_CAP_EXCLUSIVE; bts_pmu.task_ctx_nr = perf_sw_context; bts_pmu.event_init = bts_event_init; bts_pmu.add = bts_event_add; diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index 6fa85944af83..dee8a70382ba 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -81,7 +81,7 @@ DECLARE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate); /* Initialize cr4 shadow for this CPU. */ static inline void cr4_init_shadow(void) { - this_cpu_write(cpu_tlbstate.cr4, __read_cr4()); + this_cpu_write(cpu_tlbstate.cr4, __read_cr4_safe()); } /* Set in this cpu's CR4. */ diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 44c868ebc314..87f2330cc805 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1137,9 +1137,7 @@ void __init setup_arch(char **cmdline_p) * auditing all the early-boot CR4 manipulation would be needed to * rule it out. */ - if (boot_cpu_data.cpuid_level >= 0) - /* A CPU has %cr4 if and only if it has CPUID. */ - mmu_cr4_features = __read_cr4(); + mmu_cr4_features = __read_cr4_safe(); memblock_set_current_limit(get_max_mapped()); diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 849dc09fa4f0..e3353c97d086 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -917,11 +917,11 @@ static void populate_pte(struct cpa_data *cpa, } } -static int populate_pmd(struct cpa_data *cpa, - unsigned long start, unsigned long end, - unsigned num_pages, pud_t *pud, pgprot_t pgprot) +static long populate_pmd(struct cpa_data *cpa, + unsigned long start, unsigned long end, + unsigned num_pages, pud_t *pud, pgprot_t pgprot) { - unsigned int cur_pages = 0; + long cur_pages = 0; pmd_t *pmd; pgprot_t pmd_pgprot; @@ -991,12 +991,12 @@ static int populate_pmd(struct cpa_data *cpa, return num_pages; } -static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, - pgprot_t pgprot) +static long populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, + pgprot_t pgprot) { pud_t *pud; unsigned long end; - int cur_pages = 0; + long cur_pages = 0; pgprot_t pud_pgprot; end = start + (cpa->numpages << PAGE_SHIFT); @@ -1052,7 +1052,7 @@ static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, /* Map trailing leftover */ if (start < end) { - int tmp; + long tmp; pud = pud_offset(pgd, start); if (pud_none(*pud)) @@ -1078,7 +1078,7 @@ static int populate_pgd(struct cpa_data *cpa, unsigned long addr) pgprot_t pgprot = __pgprot(_KERNPG_TABLE); pud_t *pud = NULL; /* shut up gcc */ pgd_t *pgd_entry; - int ret; + long ret; pgd_entry = cpa->pgd + pgd_index(addr); @@ -1327,7 +1327,8 @@ static int cpa_process_alias(struct cpa_data *cpa) static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) { - int ret, numpages = cpa->numpages; + unsigned long numpages = cpa->numpages; + int ret; while (numpages) { /* diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 677e29e29473..8dd3784eb075 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -245,7 +245,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) * text and allocate a new stack because we can't rely on the * stack pointer being < 4GB. */ - if (!IS_ENABLED(CONFIG_EFI_MIXED)) + if (!IS_ENABLED(CONFIG_EFI_MIXED) || efi_is_native()) return 0; /* |