diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/Kconfig | 1 | ||||
-rw-r--r-- | arch/alpha/include/asm/floppy.h | 19 | ||||
-rw-r--r-- | arch/arc/include/asm/bitops.h | 2 | ||||
-rw-r--r-- | arch/arm/Kconfig | 11 | ||||
-rw-r--r-- | arch/arm/include/asm/floppy.h | 2 | ||||
-rw-r--r-- | arch/arm64/Kconfig | 6 | ||||
-rw-r--r-- | arch/m68k/emu/nfblock.c | 4 | ||||
-rw-r--r-- | arch/m68k/include/asm/floppy.h | 4 | ||||
-rw-r--r-- | arch/mips/Kconfig | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/floppy.h | 15 | ||||
-rw-r--r-- | arch/parisc/include/asm/floppy.h | 11 | ||||
-rw-r--r-- | arch/parisc/include/asm/video.h | 2 | ||||
-rw-r--r-- | arch/powerpc/include/asm/floppy.h | 5 | ||||
-rw-r--r-- | arch/powerpc/include/asm/inst.h | 4 | ||||
-rw-r--r-- | arch/riscv/Kconfig | 21 | ||||
-rw-r--r-- | arch/riscv/Makefile | 9 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 10 | ||||
-rw-r--r-- | arch/sparc/include/asm/floppy_32.h | 3 | ||||
-rw-r--r-- | arch/sparc/include/asm/floppy_64.h | 3 | ||||
-rw-r--r-- | arch/sparc/include/asm/video.h | 2 | ||||
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 6 | ||||
-rw-r--r-- | arch/x86/include/asm/floppy.h | 8 | ||||
-rw-r--r-- | arch/x86/include/asm/video.h | 2 | ||||
-rw-r--r-- | arch/x86/video/video-common.c | 25 |
24 files changed, 63 insertions, 114 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 5440616f0774..ebe08b9186ad 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1523,7 +1523,6 @@ config RANDOMIZE_KSTACK_OFFSET bool "Support for randomizing kernel stack offset on syscall entry" if EXPERT default y depends on HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET - depends on INIT_STACK_NONE || !CC_IS_CLANG || CLANG_VERSION >= 140000 help The kernel stack offset can be randomized (after pt_regs) by roughly 5 bits of entropy, frustrating memory corruption diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h index 64b42d9591fc..5a6239e65097 100644 --- a/arch/alpha/include/asm/floppy.h +++ b/arch/alpha/include/asm/floppy.h @@ -90,25 +90,6 @@ static int FDC2 = -1; #define N_FDC 2 #define N_DRIVE 8 -/* - * Most Alphas have no problems with floppy DMA crossing 64k borders, - * except for certain ones, like XL and RUFFIAN. - * - * However, the test is simple and fast, and this *is* floppy, after all, - * so we do it for all platforms, just to make sure. - * - * This is advantageous in other circumstances as well, as in moving - * about the PCI DMA windows and forcing the floppy to start doing - * scatter-gather when it never had before, and there *is* a problem - * on that platform... ;-} - */ - -static inline unsigned long CROSS_64KB(void *a, unsigned long s) -{ - unsigned long p = (unsigned long)a; - return ((p + s - 1) ^ p) & ~0xffffUL; -} - #define EXTRA_FLOPPY_PARAMS #endif /* __ASM_ALPHA_FLOPPY_H */ diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 5340c2871392..df894235fdbc 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -133,6 +133,8 @@ static inline __attribute__ ((const)) int fls(unsigned int x) */ static inline __attribute__ ((const)) unsigned long __fls(unsigned long x) { + if (__builtin_constant_p(x)) + return x ? BITS_PER_LONG - 1 - __builtin_clzl(x) : 0; /* FLS insn has exactly same semantics as the API */ return __builtin_arc_fls(x); } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f84aa52731a4..2a124c92e4f6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -166,15 +166,12 @@ config ARM <http://www.arm.linux.org.uk/>. config ARM_HAS_GROUP_RELOCS - def_bool y - depends on !LD_IS_LLD || LLD_VERSION >= 140000 - depends on !COMPILE_TEST + def_bool !COMPILE_TEST help Whether or not to use R_ARM_ALU_PC_Gn or R_ARM_LDR_PC_Gn group - relocations, which have been around for a long time, but were not - supported in LLD until version 14. The combined range is -/+ 256 MiB, - which is usually sufficient, but not for allyesconfig, so we disable - this feature when doing compile testing. + relocations. The combined range is -/+ 256 MiB, which is usually + sufficient, but not for allyesconfig, so we disable this feature + when doing compile testing. config ARM_DMA_USE_IOMMU bool diff --git a/arch/arm/include/asm/floppy.h b/arch/arm/include/asm/floppy.h index e1cb04ed5008..e579f77162e9 100644 --- a/arch/arm/include/asm/floppy.h +++ b/arch/arm/include/asm/floppy.h @@ -65,8 +65,6 @@ static unsigned char floppy_selects[4] = { 0x10, 0x21, 0x23, 0x33 }; #define N_FDC 1 #define N_DRIVE 4 -#define CROSS_64KB(a,s) (0) - /* * This allows people to reverse the order of * fd0 and fd1, in case their hardware is diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index b3e13f67d598..ab4160d33340 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1495,8 +1495,7 @@ choice config CPU_BIG_ENDIAN bool "Build big-endian kernel" - # https://github.com/llvm/llvm-project/commit/1379b150991f70a5782e9a143c2ba5308da1161c - depends on (AS_IS_GNU || AS_VERSION >= 150000) && BROKEN + depends on BROKEN help Say Y if you plan on running a kernel with a big-endian userspace. @@ -2327,8 +2326,7 @@ config STACKPROTECTOR_PER_TASK config UNWIND_PATCH_PAC_INTO_SCS bool "Enable shadow call stack dynamically using code patching" - # needs Clang with https://github.com/llvm/llvm-project/commit/de07cde67b5d205d58690be012106022aea6d2b3 incorporated - depends on CC_IS_CLANG && CLANG_VERSION >= 150000 + depends on CC_IS_CLANG depends on ARM64_PTR_AUTH_KERNEL && CC_HAS_BRANCH_PROT_PAC_RET depends on SHADOW_CALL_STACK select UNWIND_TABLES diff --git a/arch/m68k/emu/nfblock.c b/arch/m68k/emu/nfblock.c index 83410f8184ec..94a4fadc651a 100644 --- a/arch/m68k/emu/nfblock.c +++ b/arch/m68k/emu/nfblock.c @@ -77,9 +77,9 @@ static void nfhd_submit_bio(struct bio *bio) bio_endio(bio); } -static int nfhd_getgeo(struct block_device *bdev, struct hd_geometry *geo) +static int nfhd_getgeo(struct gendisk *disk, struct hd_geometry *geo) { - struct nfhd_device *dev = bdev->bd_disk->private_data; + struct nfhd_device *dev = disk->private_data; geo->cylinders = dev->blocks >> (6 - dev->bshift); geo->heads = 4; diff --git a/arch/m68k/include/asm/floppy.h b/arch/m68k/include/asm/floppy.h index a4d0fea47c6b..dea98bbc0932 100644 --- a/arch/m68k/include/asm/floppy.h +++ b/arch/m68k/include/asm/floppy.h @@ -107,13 +107,9 @@ static void fd_free_irq(void) #define fd_free_dma() /* nothing */ -/* No 64k boundary crossing problems on Q40 - no DMA at all */ -#define CROSS_64KB(a,s) (0) - #define DMA_MODE_READ 0x44 /* i386 look-alike */ #define DMA_MODE_WRITE 0x48 - static int m68k_floppy_init(void) { use_virtual_dma =1; diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 608e01ed6cff..32d2d701c684 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -6,7 +6,7 @@ config MIPS select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_CPU_FINALIZE_INIT - select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000 + select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL if !64BIT select ARCH_HAS_DMA_OPS if MACH_JAZZ select ARCH_HAS_FORTIFY_SOURCE diff --git a/arch/mips/include/asm/floppy.h b/arch/mips/include/asm/floppy.h index 021d09ae5670..44da2ff91f65 100644 --- a/arch/mips/include/asm/floppy.h +++ b/arch/mips/include/asm/floppy.h @@ -34,21 +34,6 @@ static inline void fd_cacheflush(char * addr, long size) #define N_FDC 1 /* do you *really* want a second controller? */ #define N_DRIVE 8 -/* - * The DMA channel used by the floppy controller cannot access data at - * addresses >= 16MB - * - * Went back to the 1MB limit, as some people had problems with the floppy - * driver otherwise. It doesn't matter much for performance anyway, as most - * floppy accesses go through the track buffer. - * - * On MIPSes using vdma, this actually means that *all* transfers go thru - * the * track buffer since 0x1000000 is always smaller than KSEG0/1. - * Actually this needs to be a bit more complicated since the so much different - * hardware available with MIPS CPUs ... - */ -#define CROSS_64KB(a, s) ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64) - #define EXTRA_FLOPPY_PARAMS #include <floppy.h> diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h index b318a7df52f6..f15b69fea901 100644 --- a/arch/parisc/include/asm/floppy.h +++ b/arch/parisc/include/asm/floppy.h @@ -8,9 +8,9 @@ #ifndef __ASM_PARISC_FLOPPY_H #define __ASM_PARISC_FLOPPY_H +#include <linux/sizes.h> #include <linux/vmalloc.h> - /* * The DMA channel used by the floppy controller cannot access data at * addresses >= 16MB @@ -20,15 +20,12 @@ * floppy accesses go through the track buffer. */ #define _CROSS_64KB(a,s,vdma) \ -(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64)) - -#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1) - + (!(vdma) && \ + ((unsigned long)(a) / SZ_64K != ((unsigned long)(a) + (s) - 1) / SZ_64K)) #define SW fd_routine[use_virtual_dma&1] #define CSW fd_routine[can_use_virtual_dma & 1] - #define fd_inb(base, reg) readb((base) + (reg)) #define fd_outb(value, base, reg) writeb(value, (base) + (reg)) @@ -206,7 +203,7 @@ static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io) static int hard_dma_setup(char *addr, unsigned long size, int mode, int io) { #ifdef FLOPPY_SANITY_CHECK - if (CROSS_64KB(addr, size)) { + if (_CROSS_64KB(addr, size, use_virtual_dma & 1)) { printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size); return -1; } diff --git a/arch/parisc/include/asm/video.h b/arch/parisc/include/asm/video.h index c5dff3223194..a9d50ebd6e76 100644 --- a/arch/parisc/include/asm/video.h +++ b/arch/parisc/include/asm/video.h @@ -6,7 +6,7 @@ struct device; -#if defined(CONFIG_STI_CORE) +#if defined(CONFIG_STI_CORE) && defined(CONFIG_VIDEO) bool video_is_primary_device(struct device *dev); #define video_is_primary_device video_is_primary_device #endif diff --git a/arch/powerpc/include/asm/floppy.h b/arch/powerpc/include/asm/floppy.h index 34abf8bea2cc..f4dc657638b3 100644 --- a/arch/powerpc/include/asm/floppy.h +++ b/arch/powerpc/include/asm/floppy.h @@ -206,11 +206,6 @@ static int FDC2 = -1; #define N_FDC 2 /* Don't change this! */ #define N_DRIVE 8 -/* - * The PowerPC has no problems with floppy DMA crossing 64k borders. - */ -#define CROSS_64KB(a,s) (0) - #define EXTRA_FLOPPY_PARAMS #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/inst.h b/arch/powerpc/include/asm/inst.h index 684d3f453282..ffa82167c860 100644 --- a/arch/powerpc/include/asm/inst.h +++ b/arch/powerpc/include/asm/inst.h @@ -143,10 +143,6 @@ static inline int __copy_inst_from_kernel_nofault(ppc_inst_t *inst, u32 *src) { unsigned int val, suffix; -/* See https://github.com/ClangBuiltLinux/linux/issues/1521 */ -#if defined(CONFIG_CC_IS_CLANG) && CONFIG_CLANG_VERSION < 140000 - val = suffix = 0; -#endif __get_kernel_nofault(&val, src, u32, Efault); if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) { __get_kernel_nofault(&suffix, src + 1, u32, Efault); diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 2181dde50d6e..6eb9db8017b8 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -66,9 +66,8 @@ config RISCV select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU select ARCH_SUPPORTS_HUGE_PFNMAP if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_HUGETLBFS if MMU - # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505 - select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000 && CMODEL_MEDANY - select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000 + select ARCH_SUPPORTS_LTO_CLANG if CMODEL_MEDANY + select ARCH_SUPPORTS_LTO_CLANG_THIN select ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS if 64BIT && MMU select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU select ARCH_SUPPORTS_PER_VMA_LOCK if MMU @@ -249,15 +248,9 @@ config HAVE_SHADOW_CALL_STACK # https://github.com/riscv-non-isa/riscv-elf-psabi-doc/commit/a484e843e6eeb51f0cb7b8819e50da6d2444d769 depends on $(ld-option,--no-relax-gp) -config RISCV_USE_LINKER_RELAXATION - def_bool y - # https://github.com/llvm/llvm-project/commit/6611d58f5bbcbec77262d392e2923e1d680f6985 - depends on !LD_IS_LLD || LLD_VERSION >= 150000 - # https://github.com/llvm/llvm-project/commit/bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6 config ARCH_HAS_BROKEN_DWARF5 def_bool y - depends on RISCV_USE_LINKER_RELAXATION # https://github.com/llvm/llvm-project/commit/1df5ea29b43690b6622db2cad7b745607ca4de6a depends on AS_IS_LLVM && AS_VERSION < 180000 # https://github.com/llvm/llvm-project/commit/7ffabb61a5569444b5ac9322e22e5471cc5e4a77 @@ -621,7 +614,7 @@ config TOOLCHAIN_HAS_V default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64imv) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32imv) - depends on LLD_VERSION >= 140000 || LD_VERSION >= 23800 + depends on LD_IS_LLD || LD_VERSION >= 23800 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_V @@ -721,7 +714,7 @@ config TOOLCHAIN_HAS_ZBB default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH # This symbol indicates that the toolchain supports all v1.0 vector crypto @@ -736,7 +729,7 @@ config TOOLCHAIN_HAS_ZBA default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zba) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zba) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBA @@ -771,7 +764,7 @@ config TOOLCHAIN_HAS_ZBC default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbc) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbc) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBC @@ -794,7 +787,7 @@ config TOOLCHAIN_HAS_ZBKB default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbkb) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbkb) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBKB diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index df57654a615e..ecf2fcce2d92 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -46,17 +46,10 @@ else KBUILD_LDFLAGS += -melf32lriscv endif -ifndef CONFIG_RISCV_USE_LINKER_RELAXATION - KBUILD_CFLAGS += -mno-relax - KBUILD_AFLAGS += -mno-relax -ifndef CONFIG_AS_IS_LLVM - KBUILD_CFLAGS += -Wa,-mno-relax - KBUILD_AFLAGS += -Wa,-mno-relax -endif # LLVM has an issue with target-features and LTO: https://github.com/llvm/llvm-project/issues/59350 # Ensure it is aware of linker relaxation with LTO, otherwise relocations may # be incorrect: https://github.com/llvm/llvm-project/issues/65090 -else ifeq ($(CONFIG_LTO_CLANG),y) +ifeq ($(CONFIG_LTO_CLANG),y) KBUILD_LDFLAGS += -mllvm -mattr=+c -mllvm -mattr=+relax endif diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 1c606dfa595d..feecf1a6ddb4 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -209,6 +209,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); _end = . ; + /* Debugging sections. */ + STABS_DEBUG + DWARF_DEBUG + ELF_DETAILS + /* * uncompressed image info used by the decompressor * it should match struct vmlinux_info @@ -239,11 +244,6 @@ SECTIONS #endif } :NONE - /* Debugging sections. */ - STABS_DEBUG - DWARF_DEBUG - ELF_DETAILS - /* * Make sure that the .got.plt is either completely empty or it * contains only the three reserved double words. diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index 836f6575aa1d..7251d1fed7a4 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -96,9 +96,6 @@ static struct sun_floppy_ops sun_fdops; #define N_FDC 1 #define N_DRIVE 8 -/* No 64k boundary crossing problems on the Sparc. */ -#define CROSS_64KB(a,s) (0) - /* Routines unique to each controller type on a Sun. */ static void sun_set_dor(unsigned char value, int fdc_82077) { diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index b0f633ce3518..135f9a49b6ba 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -95,9 +95,6 @@ static int sun_floppy_types[2] = { 0, 0 }; #define N_FDC 1 #define N_DRIVE 8 -/* No 64k boundary crossing problems on the Sparc. */ -#define CROSS_64KB(a,s) (0) - static unsigned char sun_82077_fd_inb(unsigned long base, unsigned int reg) { udelay(5); diff --git a/arch/sparc/include/asm/video.h b/arch/sparc/include/asm/video.h index a6f48f52db58..773717b6d491 100644 --- a/arch/sparc/include/asm/video.h +++ b/arch/sparc/include/asm/video.h @@ -19,8 +19,10 @@ static inline pgprot_t pgprot_framebuffer(pgprot_t prot, #define pgprot_framebuffer pgprot_framebuffer #endif +#ifdef CONFIG_VIDEO bool video_is_primary_device(struct device *dev); #define video_is_primary_device video_is_primary_device +#endif static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n) { diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 4de6613e7468..f2b2feeeb455 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -108,7 +108,7 @@ static DEFINE_MUTEX(ubd_lock); static int ubd_ioctl(struct block_device *bdev, blk_mode_t mode, unsigned int cmd, unsigned long arg); -static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo); +static int ubd_getgeo(struct gendisk *disk, struct hd_geometry *geo); #define MAX_DEV (16) @@ -1324,9 +1324,9 @@ static blk_status_t ubd_queue_rq(struct blk_mq_hw_ctx *hctx, return res; } -static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo) +static int ubd_getgeo(struct gendisk *disk, struct hd_geometry *geo) { - struct ubd *ubd_dev = bdev->bd_disk->private_data; + struct ubd *ubd_dev = disk->private_data; geo->heads = 128; geo->sectors = 32; diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h index 6ec3fc969ad5..e7a244051c62 100644 --- a/arch/x86/include/asm/floppy.h +++ b/arch/x86/include/asm/floppy.h @@ -10,6 +10,7 @@ #ifndef _ASM_X86_FLOPPY_H #define _ASM_X86_FLOPPY_H +#include <linux/sizes.h> #include <linux/vmalloc.h> /* @@ -22,10 +23,7 @@ */ #define _CROSS_64KB(a, s, vdma) \ (!(vdma) && \ - ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64)) - -#define CROSS_64KB(a, s) _CROSS_64KB(a, s, use_virtual_dma & 1) - + ((unsigned long)(a) / SZ_64K != ((unsigned long)(a) + (s) - 1) / SZ_64K)) #define SW fd_routine[use_virtual_dma & 1] #define CSW fd_routine[can_use_virtual_dma & 1] @@ -206,7 +204,7 @@ static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io) static int hard_dma_setup(char *addr, unsigned long size, int mode, int io) { #ifdef FLOPPY_SANITY_CHECK - if (CROSS_64KB(addr, size)) { + if (_CROSS_64KB(addr, size, use_virtual_dma & 1)) { printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size); return -1; } diff --git a/arch/x86/include/asm/video.h b/arch/x86/include/asm/video.h index 0950c9535fae..08ec328203ef 100644 --- a/arch/x86/include/asm/video.h +++ b/arch/x86/include/asm/video.h @@ -13,8 +13,10 @@ pgprot_t pgprot_framebuffer(pgprot_t prot, unsigned long offset); #define pgprot_framebuffer pgprot_framebuffer +#ifdef CONFIG_VIDEO bool video_is_primary_device(struct device *dev); #define video_is_primary_device video_is_primary_device +#endif #include <asm-generic/video.h> diff --git a/arch/x86/video/video-common.c b/arch/x86/video/video-common.c index 81fc97a2a837..e0aeee99bc99 100644 --- a/arch/x86/video/video-common.c +++ b/arch/x86/video/video-common.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/pci.h> +#include <linux/screen_info.h> #include <linux/vgaarb.h> #include <asm/video.h> @@ -27,6 +28,11 @@ EXPORT_SYMBOL(pgprot_framebuffer); bool video_is_primary_device(struct device *dev) { +#ifdef CONFIG_SCREEN_INFO + struct screen_info *si = &screen_info; + struct resource res[SCREEN_INFO_MAX_RESOURCES]; + ssize_t i, numres; +#endif struct pci_dev *pdev; if (!dev_is_pci(dev)) @@ -34,7 +40,24 @@ bool video_is_primary_device(struct device *dev) pdev = to_pci_dev(dev); - return (pdev == vga_default_device()); + if (!pci_is_display(pdev)) + return false; + + if (pdev == vga_default_device()) + return true; + +#ifdef CONFIG_SCREEN_INFO + numres = screen_info_resources(si, res, ARRAY_SIZE(res)); + for (i = 0; i < numres; ++i) { + if (!(res[i].flags & IORESOURCE_MEM)) + continue; + + if (pci_find_resource(pdev, &res[i])) + return true; + } +#endif + + return false; } EXPORT_SYMBOL(video_is_primary_device); |