diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-04-12 17:07:25 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-04-12 17:07:25 +1000 |
commit | 72f5b542fee805a5c1ac3a874b59b4bc494b1fb6 (patch) | |
tree | d4a9ff3a111407ed6d145cccb44a7f02963e98fb /arch | |
parent | b3857aacfa35f5097984626733a2d09eb6c3bcb3 (diff) | |
parent | a33297c95d6bce1713c6f0b3f8bdc8e8395d647f (diff) |
Merge branch 'akpm/master'
Diffstat (limited to 'arch')
55 files changed, 191 insertions, 173 deletions
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index b6e4f7a7419b..333daab7def0 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -845,7 +845,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc, * state->dataAlign; break; case DW_CFA_def_cfa_register: - unw_debug("cfa_def_cfa_regsiter: "); + unw_debug("cfa_def_cfa_register: "); state->cfa.reg = get_uleb128(&ptr.p8, end); break; /*todo case DW_CFA_def_cfa_expression: */ diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 02454fa15d2c..d69bebf697e7 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -478,26 +478,6 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size) : : : "r0","r1","r2","r3","r4","r5","r6","r7", \ "r9","r10","lr","memory" ) -#ifdef CONFIG_MMU -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); -#else -static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } -static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } -#endif - -#ifdef CONFIG_STRICT_KERNEL_RWX -void set_kernel_text_rw(void); -void set_kernel_text_ro(void); -#else -static inline void set_kernel_text_rw(void) { } -static inline void set_kernel_text_ro(void) { } -#endif - void flush_uprobe_xol_access(struct page *page, unsigned long uaddr, void *kaddr, unsigned long len); diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h new file mode 100644 index 000000000000..5aa4315abe91 --- /dev/null +++ b/arch/arm/include/asm/set_memory.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 1999-2002 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _ASMARM_SET_MEMORY_H +#define _ASMARM_SET_MEMORY_H + +#ifdef CONFIG_MMU +int set_memory_ro(unsigned long addr, int numpages); +int set_memory_rw(unsigned long addr, int numpages); +int set_memory_x(unsigned long addr, int numpages); +int set_memory_nx(unsigned long addr, int numpages); +#else +static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } +#endif + +#ifdef CONFIG_STRICT_KERNEL_RWX +void set_kernel_text_rw(void); +void set_kernel_text_ro(void); +#else +static inline void set_kernel_text_rw(void) { } +static inline void set_kernel_text_ro(void) { } +#endif + +#endif diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c index 3f1759411d51..dea3e965fe88 100644 --- a/arch/arm/kernel/ftrace.c +++ b/arch/arm/kernel/ftrace.c @@ -21,6 +21,7 @@ #include <asm/opcodes.h> #include <asm/ftrace.h> #include <asm/insn.h> +#include <asm/set_memory.h> #ifdef CONFIG_THUMB2_KERNEL #define NOP 0xf85deb04 /* pop.w {lr} */ diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c index 9232caee7060..1bb4c40a3135 100644 --- a/arch/arm/kernel/kgdb.c +++ b/arch/arm/kernel/kgdb.c @@ -269,7 +269,7 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) /* * Register our undef instruction hooks with ARM undef core. - * We regsiter a hook specifically looking for the KGB break inst + * We register a hook specifically looking for the KGB break inst * and we handle the normal undef case within the do_undefinstr * handler. */ diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index b18c1ea56bed..15495887ca14 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -18,6 +18,7 @@ #include <asm/mach-types.h> #include <asm/smp_plat.h> #include <asm/system_misc.h> +#include <asm/set_memory.h> extern void relocate_new_kernel(void); extern const unsigned int relocate_new_kernel_size; diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index 4977296f0c78..bcf3df59f71b 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -43,14 +43,14 @@ int (*ixp4xx_pci_read)(u32 addr, u32 cmd, u32* data); /* - * Base address for PCI regsiter region + * Base address for PCI register region */ unsigned long ixp4xx_pci_reg_base = 0; /* * PCI cfg an I/O routines are done by programming a * command/byte enable register, and then read/writing - * the data from a data regsiter. We need to ensure + * the data from a data register. We need to ensure * these transactions are atomic or we will end up * with corrupt data on the bus or in a driver. */ diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 6b6fda65fb3b..91272db09fa3 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -117,7 +117,7 @@ static struct musb_hdrc_platform_data tusb_data = { static void __init n8x0_usb_init(void) { int ret = 0; - static char announce[] __initdata = KERN_INFO "TUSB 6010\n"; + static const char announce[] __initconst = KERN_INFO "TUSB 6010\n"; /* PM companion chip power control pin */ ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW, diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c index 3b69f2642513..1403cb4a0c3d 100644 --- a/arch/arm/mm/pageattr.c +++ b/arch/arm/mm/pageattr.c @@ -15,6 +15,7 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include <asm/set_memory.h> struct page_change_data { pgprot_t set_mask; diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 93d0b6d0b63e..d5b9fa19b684 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -18,6 +18,7 @@ #include <linux/if_vlan.h> #include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/hwcap.h> #include <asm/opcodes.h> diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index a12f1afc95a3..a7a97a608033 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -29,6 +29,7 @@ generic-y += rwsem.h generic-y += segment.h generic-y += sembuf.h generic-y += serial.h +generic-y += set_memory.h generic-y += shmbuf.h generic-y += simd.h generic-y += sizes.h diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index 728f933cef8c..d74a284abdc2 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -150,10 +150,6 @@ static inline void flush_cache_vunmap(unsigned long start, unsigned long end) { } -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); int set_memory_valid(unsigned long addr, unsigned long size, int enable); #endif diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 3212ee0558f6..a682a0a2a0fa 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -17,6 +17,7 @@ #include <linux/vmalloc.h> #include <asm/pgtable.h> +#include <asm/set_memory.h> #include <asm/tlbflush.h> struct page_change_data { diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index a785554916c0..efc1bf237cc9 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -27,6 +27,7 @@ #include <asm/byteorder.h> #include <asm/cacheflush.h> #include <asm/debug-monitors.h> +#include <asm/set_memory.h> #include "bpf_jit.h" diff --git a/arch/m68k/ifpsp060/src/ilsp.S b/arch/m68k/ifpsp060/src/ilsp.S index 970abaf3303e..dd5b2c357e95 100644 --- a/arch/m68k/ifpsp060/src/ilsp.S +++ b/arch/m68k/ifpsp060/src/ilsp.S @@ -776,7 +776,7 @@ muls64_zero: # ALGORITHM *********************************************************** # # In the interest of simplicity, all operands are converted to # # longword size whether the operation is byte, word, or long. The # -# bounds are sign extended accordingly. If Rn is a data regsiter, Rn is # +# bounds are sign extended accordingly. If Rn is a data register, Rn is # # also sign extended. If Rn is an address register, it need not be sign # # extended since the full register is always used. # # The condition codes are set correctly before the final "rts". # diff --git a/arch/m68k/ifpsp060/src/isp.S b/arch/m68k/ifpsp060/src/isp.S index b865c1a052ba..29a9f8629b9d 100644 --- a/arch/m68k/ifpsp060/src/isp.S +++ b/arch/m68k/ifpsp060/src/isp.S @@ -1876,7 +1876,7 @@ movp_read_err: # word, or longword sized operands. Then, in the interest of # # simplicity, all operands are converted to longword size whether the # # operation is byte, word, or long. The bounds are sign extended # -# accordingly. If Rn is a data regsiter, Rn is also sign extended. If # +# accordingly. If Rn is a data register, Rn is also sign extended. If # # Rn is an address register, it need not be sign extended since the # # full register is always used. # # The comparisons are made and the condition codes calculated. # diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c index ba4753c23b03..d18ed5af62f4 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c @@ -152,7 +152,7 @@ static int __cvmx_helper_errata_asx_pass1(int interface, int port, } /** - * Configure all of the ASX, GMX, and PKO regsiters required + * Configure all of the ASX, GMX, and PKO registers required * to get RGMII to function on the supplied interface. * * @interface: PKO Interface to configure (0 or 1) diff --git a/arch/mips/dec/prom/init.c b/arch/mips/dec/prom/init.c index 4e1761e0a09a..d88eb7a6662b 100644 --- a/arch/mips/dec/prom/init.c +++ b/arch/mips/dec/prom/init.c @@ -88,7 +88,7 @@ void __init which_prom(s32 magic, s32 *prom_vec) void __init prom_init(void) { extern void dec_machine_halt(void); - static char cpu_msg[] __initdata = + static const char cpu_msg[] __initconst = "Sorry, this kernel is compiled for a wrong CPU type!\n"; s32 argc = fw_arg0; s32 *argv = (void *)fw_arg1; @@ -111,7 +111,7 @@ void __init prom_init(void) #if defined(CONFIG_CPU_R3000) if ((current_cpu_type() == CPU_R4000SC) || (current_cpu_type() == CPU_R4400SC)) { - static char r4k_msg[] __initdata = + static const char r4k_msg[] __initconst = "Please recompile with \"CONFIG_CPU_R4x00 = y\".\n"; printk(cpu_msg); printk(r4k_msg); @@ -122,7 +122,7 @@ void __init prom_init(void) #if defined(CONFIG_CPU_R4X00) if ((current_cpu_type() == CPU_R3000) || (current_cpu_type() == CPU_R3000A)) { - static char r3k_msg[] __initdata = + static const char r3k_msg[] __initconst = "Please recompile with \"CONFIG_CPU_R3000 = y\".\n"; printk(cpu_msg); printk(r3k_msg); diff --git a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h index f89775be7654..f7a95d7de140 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h +++ b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h @@ -55,7 +55,7 @@ extern int __cvmx_helper_rgmii_probe(int interface); extern void cvmx_helper_rgmii_internal_loopback(int port); /** - * Configure all of the ASX, GMX, and PKO regsiters required + * Configure all of the ASX, GMX, and PKO registers required * to get RGMII to function on the supplied interface. * * @interface: PKO Interface to configure (0 or 1) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b49e7bf9f950..9681b5877140 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2256,8 +2256,8 @@ void set_handler(unsigned long offset, void *addr, unsigned long size) local_flush_icache_range(ebase + offset, ebase + offset + size); } -static char panic_null_cerr[] = - "Trying to set NULL cache error exception handler"; +static const char panic_null_cerr[] = + "Trying to set NULL cache error exception handler\n"; /* * Install uncached CPU exception handler. diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index ad4cb1613c57..a4fd296c958e 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1369,7 +1369,7 @@ nadtlb_nullify: /* When there is no translation for the probe address then we - must nullify the insn and return zero in the target regsiter. + must nullify the insn and return zero in the target register. This will indicate to the calling code that it does not have write/read privileges to this address. diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index c66c943d9322..f1a76935a314 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -218,7 +218,7 @@ void *module_alloc(unsigned long size) * easier than trying to map the text, data, init_text and * init_data correctly */ return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, - GFP_KERNEL | __GFP_HIGHMEM, + GFP_KERNEL, PAGE_KERNEL_RWX, 0, NUMA_NO_NODE, __builtin_return_address(0)); } diff --git a/arch/powerpc/mm/icswx.c b/arch/powerpc/mm/icswx.c index 915412e4d5ba..1fa794d7d59f 100644 --- a/arch/powerpc/mm/icswx.c +++ b/arch/powerpc/mm/icswx.c @@ -186,7 +186,7 @@ static u32 acop_get_inst(struct pt_regs *regs) } /** - * @regs: regsiters at time of interrupt + * @regs: registers at time of interrupt * @address: storage address * @error_code: Fault code, usually the DSISR or ESR depending on * processor type diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 7e3481eb2174..45092b12f54f 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -1,4 +1,5 @@ generic-y += asm-offsets.h +generic-y += cacheflush.h generic-y += clkdev.h generic-y += dma-contiguous.h generic-y += div64.h diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/set_memory.h index 0499334f9473..46a4db44c47a 100644 --- a/arch/s390/include/asm/cacheflush.h +++ b/arch/s390/include/asm/set_memory.h @@ -1,8 +1,5 @@ -#ifndef _S390_CACHEFLUSH_H -#define _S390_CACHEFLUSH_H - -/* Caches aren't brain-dead on the s390. */ -#include <asm-generic/cacheflush.h> +#ifndef _ASMS390_SET_MEMORY_H +#define _ASMS390_SET_MEMORY_H #define SET_MEMORY_RO 1UL #define SET_MEMORY_RW 2UL @@ -31,4 +28,4 @@ static inline int set_memory_x(unsigned long addr, int numpages) return __set_memory(addr, numpages, SET_MEMORY_X); } -#endif /* _S390_CACHEFLUSH_H */ +#endif diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 60a8a4e207ed..27477f34cc0a 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -17,6 +17,7 @@ #include <trace/syscall.h> #include <asm/asm-offsets.h> #include <asm/cacheflush.h> +#include <asm/set_memory.h> #include "entry.h" /* diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 76f9eda1d7c0..3d6a99746454 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -31,7 +31,7 @@ #include <linux/slab.h> #include <linux/hardirq.h> #include <linux/ftrace.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/sections.h> #include <linux/uaccess.h> #include <asm/dis.h> diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index db5658daf994..49a6bd45957b 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -26,6 +26,7 @@ #include <asm/asm-offsets.h> #include <asm/cacheflush.h> #include <asm/os_info.h> +#include <asm/set_memory.h> #include <asm/switch_to.h> #include <asm/nmi.h> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 11b7d6638991..d849faf62924 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1198,10 +1198,7 @@ static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX) return -EINVAL; - keys = kmalloc_array(args->count, sizeof(uint8_t), - GFP_KERNEL | __GFP_NOWARN); - if (!keys) - keys = vmalloc(sizeof(uint8_t) * args->count); + keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL); if (!keys) return -ENOMEM; @@ -1243,10 +1240,7 @@ static long kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args) if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX) return -EINVAL; - keys = kmalloc_array(args->count, sizeof(uint8_t), - GFP_KERNEL | __GFP_NOWARN); - if (!keys) - keys = vmalloc(sizeof(uint8_t) * args->count); + keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL); if (!keys) return -ENOMEM; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index ee5066718b21..ee6a1d3d4983 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -39,6 +39,7 @@ #include <asm/sections.h> #include <asm/ctl_reg.h> #include <asm/sclp.h> +#include <asm/set_memory.h> pgd_t swapper_pg_dir[PTRS_PER_PGD] __section(.bss..swapper_pg_dir); diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index fc5dc33bb141..143cc9af6fd7 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -8,6 +8,7 @@ #include <asm/facility.h> #include <asm/pgtable.h> #include <asm/page.h> +#include <asm/set_memory.h> static inline unsigned long sske_frame(unsigned long addr, unsigned char skey) { diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 60d38993f232..c33c94b4be60 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -17,6 +17,7 @@ #include <asm/setup.h> #include <asm/tlbflush.h> #include <asm/sections.h> +#include <asm/set_memory.h> static DEFINE_MUTEX(vmem_mutex); diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 4ecf6d687509..6e97a2e3fd8d 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -24,6 +24,7 @@ #include <linux/bpf.h> #include <asm/cacheflush.h> #include <asm/dis.h> +#include <asm/set_memory.h> #include "bpf_jit.h" int bpf_jit_enable __read_mostly; diff --git a/arch/sparc/lib/NG4memset.S b/arch/sparc/lib/NG4memset.S index 7c0c81f18837..c07834f3a6fc 100644 --- a/arch/sparc/lib/NG4memset.S +++ b/arch/sparc/lib/NG4memset.S @@ -13,14 +13,14 @@ .globl NG4memset NG4memset: andcc %o1, 0xff, %o4 - be,pt %icc, 1f + be,pt %xcc, 1f mov %o2, %o1 sllx %o4, 8, %g1 or %g1, %o4, %o2 sllx %o2, 16, %g1 or %g1, %o2, %o2 sllx %o2, 32, %g1 - ba,pt %icc, 1f + ba,pt %xcc, 1f or %g1, %o2, %o4 .size NG4memset,.-NG4memset @@ -29,7 +29,7 @@ NG4memset: NG4bzero: clr %o4 1: cmp %o1, 16 - ble %icc, .Ltiny + ble %xcc, .Ltiny mov %o0, %o3 sub %g0, %o0, %g1 and %g1, 0x7, %g1 @@ -37,7 +37,7 @@ NG4bzero: sub %o1, %g1, %o1 1: stb %o4, [%o0 + 0x00] subcc %g1, 1, %g1 - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 1, %o0 .Laligned8: cmp %o1, 64 + (64 - 8) @@ -48,7 +48,7 @@ NG4bzero: sub %o1, %g1, %o1 1: stx %o4, [%o0 + 0x00] subcc %g1, 8, %g1 - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 0x8, %o0 .Laligned64: andn %o1, 64 - 1, %g1 @@ -58,30 +58,30 @@ NG4bzero: 1: stxa %o4, [%o0 + %g0] ASI_BLK_INIT_QUAD_LDD_P subcc %g1, 0x40, %g1 stxa %o4, [%o0 + %g2] ASI_BLK_INIT_QUAD_LDD_P - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 0x40, %o0 .Lpostloop: cmp %o1, 8 - bl,pn %icc, .Ltiny + bl,pn %xcc, .Ltiny membar #StoreStore|#StoreLoad .Lmedium: andn %o1, 0x7, %g1 sub %o1, %g1, %o1 1: stx %o4, [%o0 + 0x00] subcc %g1, 0x8, %g1 - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 0x08, %o0 andcc %o1, 0x4, %g1 - be,pt %icc, .Ltiny + be,pt %xcc, .Ltiny sub %o1, %g1, %o1 stw %o4, [%o0 + 0x00] add %o0, 0x4, %o0 .Ltiny: cmp %o1, 0 - be,pn %icc, .Lexit + be,pn %xcc, .Lexit 1: subcc %o1, 1, %o1 stb %o4, [%o0 + 0x00] - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 1, %o0 .Lexit: retl @@ -99,8 +99,8 @@ NG4bzero: stxa %o4, [%o0 + %g2] ASI_BLK_INIT_QUAD_LDD_P stxa %o4, [%o0 + %g3] ASI_BLK_INIT_QUAD_LDD_P stxa %o4, [%o0 + %o5] ASI_BLK_INIT_QUAD_LDD_P - bne,pt %icc, 1b + bne,pt %xcc, 1b add %o0, 0x30, %o0 - ba,a,pt %icc, .Lpostloop + ba,a,pt %xcc, .Lpostloop nop .size NG4bzero,.-NG4bzero diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index e7e1942edff7..8b4140f6724f 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -5,93 +5,8 @@ #include <asm-generic/cacheflush.h> #include <asm/special_insns.h> -/* - * The set_memory_* API can be used to change various attributes of a virtual - * address range. The attributes include: - * Cachability : UnCached, WriteCombining, WriteThrough, WriteBack - * Executability : eXeutable, NoteXecutable - * Read/Write : ReadOnly, ReadWrite - * Presence : NotPresent - * - * Within a category, the attributes are mutually exclusive. - * - * The implementation of this API will take care of various aspects that - * are associated with changing such attributes, such as: - * - Flushing TLBs - * - Flushing CPU caches - * - Making sure aliases of the memory behind the mapping don't violate - * coherency rules as defined by the CPU in the system. - * - * What this API does not do: - * - Provide exclusion between various callers - including callers that - * operation on other mappings of the same physical page - * - Restore default attributes when a page is freed - * - Guarantee that mappings other than the requested one are - * in any state, other than that these do not violate rules for - * the CPU you have. Do not depend on any effects on other mappings, - * CPUs other than the one you have may have more relaxed rules. - * The caller is required to take care of these. - */ - -int _set_memory_uc(unsigned long addr, int numpages); -int _set_memory_wc(unsigned long addr, int numpages); -int _set_memory_wt(unsigned long addr, int numpages); -int _set_memory_wb(unsigned long addr, int numpages); -int set_memory_uc(unsigned long addr, int numpages); -int set_memory_wc(unsigned long addr, int numpages); -int set_memory_wt(unsigned long addr, int numpages); -int set_memory_wb(unsigned long addr, int numpages); -int set_memory_x(unsigned long addr, int numpages); -int set_memory_nx(unsigned long addr, int numpages); -int set_memory_ro(unsigned long addr, int numpages); -int set_memory_rw(unsigned long addr, int numpages); -int set_memory_np(unsigned long addr, int numpages); -int set_memory_4k(unsigned long addr, int numpages); - -int set_memory_array_uc(unsigned long *addr, int addrinarray); -int set_memory_array_wc(unsigned long *addr, int addrinarray); -int set_memory_array_wt(unsigned long *addr, int addrinarray); -int set_memory_array_wb(unsigned long *addr, int addrinarray); - -int set_pages_array_uc(struct page **pages, int addrinarray); -int set_pages_array_wc(struct page **pages, int addrinarray); -int set_pages_array_wt(struct page **pages, int addrinarray); -int set_pages_array_wb(struct page **pages, int addrinarray); - -/* - * For legacy compatibility with the old APIs, a few functions - * are provided that work on a "struct page". - * These functions operate ONLY on the 1:1 kernel mapping of the - * memory that the struct page represents, and internally just - * call the set_memory_* function. See the description of the - * set_memory_* function for more details on conventions. - * - * These APIs should be considered *deprecated* and are likely going to - * be removed in the future. - * The reason for this is the implicit operation on the 1:1 mapping only, - * making this not a generally useful API. - * - * Specifically, many users of the old APIs had a virtual address, - * called virt_to_page() or vmalloc_to_page() on that address to - * get a struct page* that the old API required. - * To convert these cases, use set_memory_*() on the original - * virtual address, do not use these functions. - */ - -int set_pages_uc(struct page *page, int numpages); -int set_pages_wb(struct page *page, int numpages); -int set_pages_x(struct page *page, int numpages); -int set_pages_nx(struct page *page, int numpages); -int set_pages_ro(struct page *page, int numpages); -int set_pages_rw(struct page *page, int numpages); - - void clflush_cache_range(void *addr, unsigned int size); #define mmio_flush_range(addr, size) clflush_cache_range(addr, size) -extern int kernel_set_to_readonly; -void set_kernel_text_rw(void); -void set_kernel_text_ro(void); - #endif /* _ASM_X86_CACHEFLUSH_H */ diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h new file mode 100644 index 000000000000..eaec6c364e42 --- /dev/null +++ b/arch/x86/include/asm/set_memory.h @@ -0,0 +1,87 @@ +#ifndef _ASM_X86_SET_MEMORY_H +#define _ASM_X86_SET_MEMORY_H + +#include <asm/page.h> +#include <asm-generic/set_memory.h> + +/* + * The set_memory_* API can be used to change various attributes of a virtual + * address range. The attributes include: + * Cachability : UnCached, WriteCombining, WriteThrough, WriteBack + * Executability : eXeutable, NoteXecutable + * Read/Write : ReadOnly, ReadWrite + * Presence : NotPresent + * + * Within a category, the attributes are mutually exclusive. + * + * The implementation of this API will take care of various aspects that + * are associated with changing such attributes, such as: + * - Flushing TLBs + * - Flushing CPU caches + * - Making sure aliases of the memory behind the mapping don't violate + * coherency rules as defined by the CPU in the system. + * + * What this API does not do: + * - Provide exclusion between various callers - including callers that + * operation on other mappings of the same physical page + * - Restore default attributes when a page is freed + * - Guarantee that mappings other than the requested one are + * in any state, other than that these do not violate rules for + * the CPU you have. Do not depend on any effects on other mappings, + * CPUs other than the one you have may have more relaxed rules. + * The caller is required to take care of these. + */ + +int _set_memory_uc(unsigned long addr, int numpages); +int _set_memory_wc(unsigned long addr, int numpages); +int _set_memory_wt(unsigned long addr, int numpages); +int _set_memory_wb(unsigned long addr, int numpages); +int set_memory_uc(unsigned long addr, int numpages); +int set_memory_wc(unsigned long addr, int numpages); +int set_memory_wt(unsigned long addr, int numpages); +int set_memory_wb(unsigned long addr, int numpages); +int set_memory_np(unsigned long addr, int numpages); +int set_memory_4k(unsigned long addr, int numpages); + +int set_memory_array_uc(unsigned long *addr, int addrinarray); +int set_memory_array_wc(unsigned long *addr, int addrinarray); +int set_memory_array_wt(unsigned long *addr, int addrinarray); +int set_memory_array_wb(unsigned long *addr, int addrinarray); + +int set_pages_array_uc(struct page **pages, int addrinarray); +int set_pages_array_wc(struct page **pages, int addrinarray); +int set_pages_array_wt(struct page **pages, int addrinarray); +int set_pages_array_wb(struct page **pages, int addrinarray); + +/* + * For legacy compatibility with the old APIs, a few functions + * are provided that work on a "struct page". + * These functions operate ONLY on the 1:1 kernel mapping of the + * memory that the struct page represents, and internally just + * call the set_memory_* function. See the description of the + * set_memory_* function for more details on conventions. + * + * These APIs should be considered *deprecated* and are likely going to + * be removed in the future. + * The reason for this is the implicit operation on the 1:1 mapping only, + * making this not a generally useful API. + * + * Specifically, many users of the old APIs had a virtual address, + * called virt_to_page() or vmalloc_to_page() on that address to + * get a struct page* that the old API required. + * To convert these cases, use set_memory_*() on the original + * virtual address, do not use these functions. + */ + +int set_pages_uc(struct page *page, int numpages); +int set_pages_wb(struct page *page, int numpages); +int set_pages_x(struct page *page, int numpages); +int set_pages_nx(struct page *page, int numpages); +int set_pages_ro(struct page *page, int numpages); +int set_pages_rw(struct page *page, int numpages); + +extern int kernel_set_to_readonly; +void set_kernel_text_rw(void); +void set_kernel_text_ro(void); + +#endif /* _ASM_X86_SET_MEMORY_H */ diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c index df083efe6ee0..815dd63f49d0 100644 --- a/arch/x86/kernel/amd_gart_64.c +++ b/arch/x86/kernel/amd_gart_64.c @@ -36,7 +36,7 @@ #include <asm/proto.h> #include <asm/iommu.h> #include <asm/gart.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/swiotlb.h> #include <asm/dma.h> #include <asm/amd_nb.h> diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index c36140d788fe..ee8f11800295 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -16,7 +16,7 @@ #ifdef CONFIG_X86_64 # include <asm/mmconfig.h> -# include <asm/cacheflush.h> +# include <asm/set_memory.h> #endif #include "cpu.h" diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index a44ef52184df..0af86d9242da 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -17,7 +17,7 @@ #include <asm/paravirt.h> #include <asm/alternative.h> #include <asm/pgtable.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> void __init check_bugs(void) { diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 3fe8003025ac..9dd546bcd0a7 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -24,7 +24,7 @@ #include <trace/syscall.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/kprobes.h> #include <asm/ftrace.h> #include <asm/nops.h> diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c index 5f43cec296c5..8c53c5d7a1bc 100644 --- a/arch/x86/kernel/machine_kexec_32.c +++ b/arch/x86/kernel/machine_kexec_32.c @@ -23,7 +23,7 @@ #include <asm/io_apic.h> #include <asm/cpufeature.h> #include <asm/desc.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/debugreg.h> static void set_idt(void *newidt, __u16 limit) diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index b41ee7a91fe9..a0bacd25c9cd 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -27,6 +27,7 @@ #include <asm/debugreg.h> #include <asm/kexec-bzimage64.h> #include <asm/setup.h> +#include <asm/set_memory.h> #ifdef CONFIG_KEXEC_FILE static struct kexec_file_ops *kexec_file_loaders[] = { diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c index 477ae806c2fa..f67bd3205df7 100644 --- a/arch/x86/kernel/module.c +++ b/arch/x86/kernel/module.c @@ -85,7 +85,7 @@ void *module_alloc(unsigned long size) p = __vmalloc_node_range(size, MODULE_ALIGN, MODULES_VADDR + get_module_load_offset(), - MODULES_END, GFP_KERNEL | __GFP_HIGHMEM, + MODULES_END, GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, __builtin_return_address(0)); if (p && (kasan_module_alloc(p, size) < 0)) { diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index bad6a25067bc..d2a892fc92bf 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -177,8 +177,8 @@ static void recalculate_apic_map(struct kvm *kvm) if (kvm_apic_present(vcpu)) max_id = max(max_id, kvm_x2apic_id(vcpu->arch.apic)); - new = kvm_kvzalloc(sizeof(struct kvm_apic_map) + - sizeof(struct kvm_lapic *) * ((u64)max_id + 1)); + new = kvzalloc(sizeof(struct kvm_apic_map) + + sizeof(struct kvm_lapic *) * ((u64)max_id + 1), GFP_KERNEL); if (!new) goto out; diff --git a/arch/x86/kvm/page_track.c b/arch/x86/kvm/page_track.c index 60168cdd0546..ea67dc876316 100644 --- a/arch/x86/kvm/page_track.c +++ b/arch/x86/kvm/page_track.c @@ -40,8 +40,8 @@ int kvm_page_track_create_memslot(struct kvm_memory_slot *slot, int i; for (i = 0; i < KVM_PAGE_TRACK_MAX; i++) { - slot->arch.gfn_track[i] = kvm_kvzalloc(npages * - sizeof(*slot->arch.gfn_track[i])); + slot->arch.gfn_track[i] = kvzalloc(npages * + sizeof(*slot->arch.gfn_track[i]), GFP_KERNEL); if (!slot->arch.gfn_track[i]) goto track_free; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6bc47e2712c8..1f5263a8d9e0 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8197,13 +8197,13 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, slot->base_gfn, level) + 1; slot->arch.rmap[i] = - kvm_kvzalloc(lpages * sizeof(*slot->arch.rmap[i])); + kvzalloc(lpages * sizeof(*slot->arch.rmap[i]), GFP_KERNEL); if (!slot->arch.rmap[i]) goto out_free; if (i == 0) continue; - linfo = kvm_kvzalloc(lpages * sizeof(*linfo)); + linfo = kvzalloc(lpages * sizeof(*linfo), GFP_KERNEL); if (!linfo) goto out_free; diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 2193799ca800..9bee4f36f23d 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -5,7 +5,7 @@ #include <linux/memblock.h> #include <linux/bootmem.h> /* for max_low_pfn */ -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/e820/api.h> #include <asm/init.h> #include <asm/page.h> diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index f34d275ee201..99fb83819a5f 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -48,7 +48,7 @@ #include <asm/sections.h> #include <asm/paravirt.h> #include <asm/setup.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/page_types.h> #include <asm/init.h> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index a242139df8fe..5ee314c978ce 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -50,7 +50,7 @@ #include <asm/sections.h> #include <asm/kdebug.h> #include <asm/numa.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/init.h> #include <asm/uv/uv.h> #include <asm/setup.h> diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index e4f7b25df18e..bbc558b88a88 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -14,7 +14,7 @@ #include <linux/vmalloc.h> #include <linux/mmiotrace.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/e820/api.h> #include <asm/fixmap.h> #include <asm/pgtable.h> diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 56b22fa504df..1dcd2be4cce4 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -24,6 +24,7 @@ #include <asm/pgalloc.h> #include <asm/proto.h> #include <asm/pat.h> +#include <asm/set_memory.h> /* * The current flushing context - we pass it instead of 5 arguments: diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 32322ce9b405..a63e6af4afb5 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -12,6 +12,7 @@ #include <linux/filter.h> #include <linux/if_vlan.h> #include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <linux/bpf.h> int bpf_jit_enable __read_mostly; diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c index 29e9ba6ace9d..c1bdb9edcae7 100644 --- a/arch/x86/pci/pcbios.c +++ b/arch/x86/pci/pcbios.c @@ -11,7 +11,7 @@ #include <asm/pci_x86.h> #include <asm/e820/types.h> #include <asm/pci-functions.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> /* BIOS32 signature: "_32_" */ #define BIOS32_SIGNATURE (('_' << 0) + ('3' << 8) + ('2' << 16) + ('_' << 24)) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index a15cf815ac4e..7e76a4d8304b 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -49,7 +49,7 @@ #include <asm/efi.h> #include <asm/e820/api.h> #include <asm/time.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/tlbflush.h> #include <asm/x86_init.h> #include <asm/uv/uv.h> diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index 5db706f14111..a163a90af4aa 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -2,7 +2,7 @@ #include <linux/slab.h> #include <linux/memblock.h> -#include <asm/cacheflush.h> +#include <asm/set_memory.h> #include <asm/pgtable.h> #include <asm/realmode.h> #include <asm/tlbflush.h> |