diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/events/intel/core.c | 13 | ||||
| -rw-r--r-- | arch/x86/include/asm/barrier.h | 24 | ||||
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/fb.h | 19 | ||||
| -rw-r--r-- | arch/x86/include/asm/video.h | 21 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/msi.c | 5 | ||||
| -rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 40 | ||||
| -rw-r--r-- | arch/x86/pci/olpc.c | 3 | ||||
| -rw-r--r-- | arch/x86/video/Makefile | 3 | ||||
| -rw-r--r-- | arch/x86/video/video-common.c (renamed from arch/x86/video/fbdev.c) | 21 |
11 files changed, 80 insertions, 81 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 164498b3382a..801fd85c3ef6 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -278,7 +278,7 @@ drivers-$(CONFIG_PCI) += arch/x86/pci/ # suspend and hibernation support drivers-$(CONFIG_PM) += arch/x86/power/ -drivers-$(CONFIG_FB_CORE) += arch/x86/video/ +drivers-$(CONFIG_VIDEO) += arch/x86/video/ #### # boot loader support. Several targets are kept for legacy purposes diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 768d1414897f..38c1b1f1deaa 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -5645,18 +5645,11 @@ lbr_is_visible(struct kobject *kobj, struct attribute *attr, int i) static char pmu_name_str[30]; -static ssize_t pmu_name_show(struct device *cdev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", pmu_name_str); -} - -static DEVICE_ATTR_RO(pmu_name); +static DEVICE_STRING_ATTR_RO(pmu_name, 0444, pmu_name_str); static struct attribute *intel_pmu_caps_attrs[] = { - &dev_attr_pmu_name.attr, - NULL + &dev_attr_pmu_name.attr.attr, + NULL }; static DEVICE_ATTR(allow_tsx_force_abort, 0644, diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 63bdc6b85219..7b44b3c4cce1 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -33,20 +33,16 @@ * Returns: * 0 - (index < size) */ -static __always_inline unsigned long array_index_mask_nospec(unsigned long index, - unsigned long size) -{ - unsigned long mask; - - asm volatile ("cmp %1,%2; sbb %0,%0;" - :"=r" (mask) - :"g"(size),"r" (index) - :"cc"); - return mask; -} - -/* Override the default implementation from linux/nospec.h. */ -#define array_index_mask_nospec array_index_mask_nospec +#define array_index_mask_nospec(idx,sz) ({ \ + typeof((idx)+(sz)) __idx = (idx); \ + typeof(__idx) __sz = (sz); \ + unsigned long __mask; \ + asm volatile ("cmp %1,%2; sbb %0,%0" \ + :"=r" (__mask) \ + :ASM_INPUT_G (__sz), \ + "r" (__idx) \ + :"cc"); \ + __mask; }) /* Prevent speculative execution past this barrier. */ #define barrier_nospec() alternative("", "lfence", X86_FEATURE_LFENCE_RDTSC) diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 990eb686ca67..b96d45944c59 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -250,7 +250,7 @@ static __always_inline unsigned long variable__ffs(unsigned long word) { asm("rep; bsf %1,%0" : "=r" (word) - : "rm" (word)); + : ASM_INPUT_RM (word)); return word; } @@ -297,7 +297,7 @@ static __always_inline unsigned long __fls(unsigned long word) asm("bsr %1,%0" : "=r" (word) - : "rm" (word)); + : ASM_INPUT_RM (word)); return word; } @@ -320,7 +320,7 @@ static __always_inline int variable_ffs(int x) */ asm("bsfl %1,%0" : "=r" (r) - : "rm" (x), "0" (-1)); + : ASM_INPUT_RM (x), "0" (-1)); #elif defined(CONFIG_X86_CMOV) asm("bsfl %1,%0\n\t" "cmovzl %2,%0" @@ -377,7 +377,7 @@ static __always_inline int fls(unsigned int x) */ asm("bsrl %1,%0" : "=r" (r) - : "rm" (x), "0" (-1)); + : ASM_INPUT_RM (x), "0" (-1)); #elif defined(CONFIG_X86_CMOV) asm("bsrl %1,%0\n\t" "cmovzl %2,%0" @@ -416,7 +416,7 @@ static __always_inline int fls64(__u64 x) */ asm("bsrq %1,%q0" : "+r" (bitpos) - : "rm" (x)); + : ASM_INPUT_RM (x)); return bitpos + 1; } #else diff --git a/arch/x86/include/asm/fb.h b/arch/x86/include/asm/fb.h deleted file mode 100644 index c3b9582de7ef..000000000000 --- a/arch/x86/include/asm/fb.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_X86_FB_H -#define _ASM_X86_FB_H - -#include <asm/page.h> - -struct fb_info; - -pgprot_t pgprot_framebuffer(pgprot_t prot, - unsigned long vm_start, unsigned long vm_end, - unsigned long offset); -#define pgprot_framebuffer pgprot_framebuffer - -int fb_is_primary_device(struct fb_info *info); -#define fb_is_primary_device fb_is_primary_device - -#include <asm-generic/fb.h> - -#endif /* _ASM_X86_FB_H */ diff --git a/arch/x86/include/asm/video.h b/arch/x86/include/asm/video.h new file mode 100644 index 000000000000..0950c9535fae --- /dev/null +++ b/arch/x86/include/asm/video.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_VIDEO_H +#define _ASM_X86_VIDEO_H + +#include <linux/types.h> + +#include <asm/page.h> + +struct device; + +pgprot_t pgprot_framebuffer(pgprot_t prot, + unsigned long vm_start, unsigned long vm_end, + unsigned long offset); +#define pgprot_framebuffer pgprot_framebuffer + +bool video_is_primary_device(struct device *dev); +#define video_is_primary_device video_is_primary_device + +#include <asm-generic/video.h> + +#endif /* _ASM_X86_VIDEO_H */ diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index d9651f15ae4f..340769242dea 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -184,7 +184,6 @@ static int x86_msi_prepare(struct irq_domain *domain, struct device *dev, alloc->type = X86_IRQ_ALLOC_TYPE_PCI_MSI; return 0; case DOMAIN_BUS_PCI_DEVICE_MSIX: - case DOMAIN_BUS_PCI_DEVICE_IMS: alloc->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX; return 0; default: @@ -229,10 +228,6 @@ static bool x86_init_dev_msi_info(struct device *dev, struct irq_domain *domain, case DOMAIN_BUS_PCI_DEVICE_MSI: case DOMAIN_BUS_PCI_DEVICE_MSIX: break; - case DOMAIN_BUS_PCI_DEVICE_IMS: - if (!(pops->supported_flags & MSI_FLAG_PCI_IMS)) - return false; - break; default: WARN_ON_ONCE(1); return false; diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 0cc9520666ef..39255f0eb14d 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -518,7 +518,34 @@ static bool __ref pci_mmcfg_reserved(struct device *dev, { struct resource *conflict; - if (!early && !acpi_disabled) { + if (early) { + + /* + * Don't try to do this check unless configuration type 1 + * is available. How about type 2? + */ + + /* + * 946f2ee5c731 ("Check that MCFG points to an e820 + * reserved area") added this E820 check in 2006 to work + * around BIOS defects. + * + * Per PCI Firmware r3.3, sec 4.1.2, ECAM space must be + * reserved by a PNP0C02 resource, but it need not be + * mentioned in E820. Before the ACPI interpreter is + * available, we can't check for PNP0C02 resources, so + * there's no reliable way to verify the region in this + * early check. Keep it only for the old machines that + * motivated 946f2ee5c731. + */ + if (dmi_get_bios_year() < 2016 && raw_pci_ops) + return is_mmconf_reserved(e820__mapped_all, cfg, dev, + "E820 entry"); + + return true; + } + + if (!acpi_disabled) { if (is_mmconf_reserved(is_acpi_reserved, cfg, dev, "ACPI motherboard resource")) return true; @@ -551,16 +578,7 @@ static bool __ref pci_mmcfg_reserved(struct device *dev, * For MCFG information constructed from hotpluggable host bridge's * _CBA method, just assume it's reserved. */ - if (pci_mmcfg_running_state) - return true; - - /* Don't try to do this check unless configuration - type 1 is available. how about type 2 ?*/ - if (raw_pci_ops) - return is_mmconf_reserved(e820__mapped_all, cfg, dev, - "E820 entry"); - - return false; + return pci_mmcfg_running_state; } static void __init pci_mmcfg_reject_broken(int early) diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c index f3aab76e357a..4b18c6404363 100644 --- a/arch/x86/pci/olpc.c +++ b/arch/x86/pci/olpc.c @@ -154,9 +154,6 @@ static const uint32_t ehci_hdr[] = { /* dev f function 4 - devfn = 7d */ 0x0, 0x40, 0x0, 0x40a, /* CapPtr INT-D, IRQA */ 0xc8020001, 0x0, 0x0, 0x0, /* Capabilities - 40 is R/O, 44 is mask 8103 (power control) */ -#if 0 - 0x1, 0x40080000, 0x0, 0x0, /* EECP - see EHCI spec section 2.1.7 */ -#endif 0x01000001, 0x0, 0x0, 0x0, /* EECP - see EHCI spec section 2.1.7 */ 0x2020, 0x0, 0x0, 0x0, /* (EHCI page 8) 60 SBRN (R/O), 61 FLADJ (R/W), PORTWAKECAP */ diff --git a/arch/x86/video/Makefile b/arch/x86/video/Makefile index 5ebe48752ffc..dcfbe7a5912c 100644 --- a/arch/x86/video/Makefile +++ b/arch/x86/video/Makefile @@ -1,2 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_FB_CORE) += fbdev.o + +obj-y += video-common.o diff --git a/arch/x86/video/fbdev.c b/arch/x86/video/video-common.c index 1dd6528cc947..81fc97a2a837 100644 --- a/arch/x86/video/fbdev.c +++ b/arch/x86/video/video-common.c @@ -7,11 +7,11 @@ * */ -#include <linux/fb.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/vgaarb.h> -#include <asm/fb.h> + +#include <asm/video.h> pgprot_t pgprot_framebuffer(pgprot_t prot, unsigned long vm_start, unsigned long vm_end, @@ -25,20 +25,17 @@ pgprot_t pgprot_framebuffer(pgprot_t prot, } EXPORT_SYMBOL(pgprot_framebuffer); -int fb_is_primary_device(struct fb_info *info) +bool video_is_primary_device(struct device *dev) { - struct device *device = info->device; - struct pci_dev *pci_dev; + struct pci_dev *pdev; - if (!device || !dev_is_pci(device)) - return 0; + if (!dev_is_pci(dev)) + return false; - pci_dev = to_pci_dev(device); + pdev = to_pci_dev(dev); - if (pci_dev == vga_default_device()) - return 1; - return 0; + return (pdev == vga_default_device()); } -EXPORT_SYMBOL(fb_is_primary_device); +EXPORT_SYMBOL(video_is_primary_device); MODULE_LICENSE("GPL"); |