diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/hash.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/book3s/32/kup.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 20 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/io.h | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/module.h | 18 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 49 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/vermagic.h | 20 |
8 files changed, 82 insertions, 47 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h index 34a7215ae81e..2a0a467d2985 100644 --- a/arch/powerpc/include/asm/book3s/32/hash.h +++ b/arch/powerpc/include/asm/book3s/32/hash.h @@ -17,9 +17,9 @@ * updating the accessed and modified bits in the page table tree. */ -#define _PAGE_USER 0x001 /* usermode access allowed */ -#define _PAGE_RW 0x002 /* software: user write access allowed */ -#define _PAGE_PRESENT 0x004 /* software: pte contains a translation */ +#define _PAGE_PRESENT 0x001 /* software: pte contains a translation */ +#define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ +#define _PAGE_USER 0x004 /* usermode access allowed */ #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ @@ -27,7 +27,7 @@ #define _PAGE_DIRTY 0x080 /* C: page changed */ #define _PAGE_ACCESSED 0x100 /* R: page referenced */ #define _PAGE_EXEC 0x200 /* software: exec allowed */ -#define _PAGE_HASHPTE 0x400 /* hash_page has made an HPTE for this pte */ +#define _PAGE_RW 0x400 /* software: user write access allowed */ #define _PAGE_SPECIAL 0x800 /* software: Special page */ #ifdef CONFIG_PTE_64BIT diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h index 3c0ba22dc360..db0a1c281587 100644 --- a/arch/powerpc/include/asm/book3s/32/kup.h +++ b/arch/powerpc/include/asm/book3s/32/kup.h @@ -75,7 +75,7 @@ .macro kuap_check current, gpr #ifdef CONFIG_PPC_KUAP_DEBUG - lwz \gpr2, KUAP(thread) + lwz \gpr, KUAP(thread) 999: twnei \gpr, 0 EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE) #endif diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index e0e71777961f..3a0db7b0b46e 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -250,9 +250,27 @@ static inline bool arch_irqs_disabled(void) } \ } while(0) +static inline bool __lazy_irq_pending(u8 irq_happened) +{ + return !!(irq_happened & ~PACA_IRQ_HARD_DIS); +} + +/* + * Check if a lazy IRQ is pending. Should be called with IRQs hard disabled. + */ static inline bool lazy_irq_pending(void) { - return !!(get_paca()->irq_happened & ~PACA_IRQ_HARD_DIS); + return __lazy_irq_pending(get_paca()->irq_happened); +} + +/* + * Check if a lazy IRQ is pending, with no debugging checks. + * Should be called with IRQs hard disabled. + * For use in RI disabled code or other constrained situations. + */ +static inline bool lazy_irq_pending_nocheck(void) +{ + return __lazy_irq_pending(local_paca->irq_happened); } /* diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 635969b5b58e..13f90dd03450 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -699,10 +699,6 @@ static inline void iosync(void) * * * iounmap undoes such a mapping and can be hooked * - * * __ioremap_at (and the pending __iounmap_at) are low level functions to - * create hand-made mappings for use only by the PCI code and cannot - * currently be hooked. Must be page aligned. - * * * __ioremap_caller is the same as above but takes an explicit caller * reference rather than using __builtin_return_address(0) * @@ -719,6 +715,8 @@ void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size); extern void iounmap(volatile void __iomem *addr); +void __iomem *ioremap_phb(phys_addr_t paddr, unsigned long size); + int early_ioremap_range(unsigned long ea, phys_addr_t pa, unsigned long size, pgprot_t prot); void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t offset, unsigned long size, @@ -727,10 +725,6 @@ void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t offset, unsigned long size, extern void __iomem *__ioremap_caller(phys_addr_t, unsigned long size, pgprot_t prot, void *caller); -extern void __iomem * __ioremap_at(phys_addr_t pa, void *ea, - unsigned long size, pgprot_t prot); -extern void __iounmap_at(void *ea, unsigned long size); - /* * When CONFIG_PPC_INDIRECT_PIO is set, we use the generic iomap implementation * which needs some additional definitions here. They basically allow PIO diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index 356658711a86..5398bfc465b4 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -3,28 +3,10 @@ #define _ASM_POWERPC_MODULE_H #ifdef __KERNEL__ -/* - */ - #include <linux/list.h> #include <asm/bug.h> #include <asm-generic/module.h> - -#ifdef CONFIG_MPROFILE_KERNEL -#define MODULE_ARCH_VERMAGIC_FTRACE "mprofile-kernel " -#else -#define MODULE_ARCH_VERMAGIC_FTRACE "" -#endif - -#ifdef CONFIG_RELOCATABLE -#define MODULE_ARCH_VERMAGIC_RELOCATABLE "relocatable " -#else -#define MODULE_ARCH_VERMAGIC_RELOCATABLE "" -#endif - -#define MODULE_ARCH_VERMAGIC MODULE_ARCH_VERMAGIC_FTRACE MODULE_ARCH_VERMAGIC_RELOCATABLE - #ifndef __powerpc64__ /* * Thanks to Paul M for explaining this. diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 69f4cb3b7c56..b92e81b256e5 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -66,7 +66,7 @@ struct pci_controller { void __iomem *io_base_virt; #ifdef CONFIG_PPC64 - void *io_base_alloc; + void __iomem *io_base_alloc; #endif resource_size_t io_base_phys; resource_size_t pci_io_size; diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 2f500debae21..0969285996cb 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -166,13 +166,17 @@ do { \ ({ \ long __pu_err; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ + __typeof__(*(ptr)) __pu_val = (x); \ + __typeof__(size) __pu_size = (size); \ + \ if (!is_kernel_addr((unsigned long)__pu_addr)) \ might_fault(); \ - __chk_user_ptr(ptr); \ + __chk_user_ptr(__pu_addr); \ if (do_allow) \ - __put_user_size((x), __pu_addr, (size), __pu_err); \ + __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \ else \ - __put_user_size_allowed((x), __pu_addr, (size), __pu_err); \ + __put_user_size_allowed(__pu_val, __pu_addr, __pu_size, __pu_err); \ + \ __pu_err; \ }) @@ -180,9 +184,13 @@ do { \ ({ \ long __pu_err = -EFAULT; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ + __typeof__(*(ptr)) __pu_val = (x); \ + __typeof__(size) __pu_size = (size); \ + \ might_fault(); \ - if (access_ok(__pu_addr, size)) \ - __put_user_size((x), __pu_addr, (size), __pu_err); \ + if (access_ok(__pu_addr, __pu_size)) \ + __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \ + \ __pu_err; \ }) @@ -190,8 +198,12 @@ do { \ ({ \ long __pu_err; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ - __chk_user_ptr(ptr); \ - __put_user_size((x), __pu_addr, (size), __pu_err); \ + __typeof__(*(ptr)) __pu_val = (x); \ + __typeof__(size) __pu_size = (size); \ + \ + __chk_user_ptr(__pu_addr); \ + __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \ + \ __pu_err; \ }) @@ -283,15 +295,18 @@ do { \ long __gu_err; \ __long_type(*(ptr)) __gu_val; \ __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ - __chk_user_ptr(ptr); \ + __typeof__(size) __gu_size = (size); \ + \ + __chk_user_ptr(__gu_addr); \ if (!is_kernel_addr((unsigned long)__gu_addr)) \ might_fault(); \ barrier_nospec(); \ if (do_allow) \ - __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ + __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \ else \ - __get_user_size_allowed(__gu_val, __gu_addr, (size), __gu_err); \ + __get_user_size_allowed(__gu_val, __gu_addr, __gu_size, __gu_err); \ (x) = (__typeof__(*(ptr)))__gu_val; \ + \ __gu_err; \ }) @@ -300,12 +315,15 @@ do { \ long __gu_err = -EFAULT; \ __long_type(*(ptr)) __gu_val = 0; \ __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ + __typeof__(size) __gu_size = (size); \ + \ might_fault(); \ - if (access_ok(__gu_addr, (size))) { \ + if (access_ok(__gu_addr, __gu_size)) { \ barrier_nospec(); \ - __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ + __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \ } \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ + \ __gu_err; \ }) @@ -314,10 +332,13 @@ do { \ long __gu_err; \ __long_type(*(ptr)) __gu_val; \ __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ - __chk_user_ptr(ptr); \ + __typeof__(size) __gu_size = (size); \ + \ + __chk_user_ptr(__gu_addr); \ barrier_nospec(); \ - __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ + __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ + \ __gu_err; \ }) diff --git a/arch/powerpc/include/asm/vermagic.h b/arch/powerpc/include/asm/vermagic.h new file mode 100644 index 000000000000..b054a8576e5d --- /dev/null +++ b/arch/powerpc/include/asm/vermagic.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_VERMAGIC_H +#define _ASM_VERMAGIC_H + +#ifdef CONFIG_MPROFILE_KERNEL +#define MODULE_ARCH_VERMAGIC_FTRACE "mprofile-kernel " +#else +#define MODULE_ARCH_VERMAGIC_FTRACE "" +#endif + +#ifdef CONFIG_RELOCATABLE +#define MODULE_ARCH_VERMAGIC_RELOCATABLE "relocatable " +#else +#define MODULE_ARCH_VERMAGIC_RELOCATABLE "" +#endif + +#define MODULE_ARCH_VERMAGIC \ + MODULE_ARCH_VERMAGIC_FTRACE MODULE_ARCH_VERMAGIC_RELOCATABLE + +#endif /* _ASM_VERMAGIC_H */ |