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-rw-r--r--arch/arm/mm/dma-mapping.c43
-rw-r--r--arch/arm/mm/init.c3
-rw-r--r--arch/arm/net/bpf_jit_32.c1
-rw-r--r--arch/parisc/configs/712_defconfig2
-rw-r--r--arch/parisc/configs/a500_defconfig2
-rw-r--r--arch/parisc/configs/b180_defconfig3
-rw-r--r--arch/parisc/configs/c3000_defconfig3
-rw-r--r--arch/parisc/configs/c8000_defconfig2
-rw-r--r--arch/parisc/configs/default_defconfig2
-rw-r--r--arch/parisc/kernel/cache.c1
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c1
-rw-r--r--arch/s390/net/bpf_jit_comp.c4
-rw-r--r--arch/sparc/net/bpf_jit_comp.c1
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c2
-rw-r--r--arch/x86/kernel/kvm.c17
-rw-r--r--arch/x86/net/bpf_jit_comp.c18
-rw-r--r--arch/x86/xen/smp.c9
18 files changed, 86 insertions, 29 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f5e1a8471714..1272ed202dde 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1232,7 +1232,8 @@ __iommu_create_mapping(struct device *dev, struct page **pages, size_t size)
break;
len = (j - i) << PAGE_SHIFT;
- ret = iommu_map(mapping->domain, iova, phys, len, 0);
+ ret = iommu_map(mapping->domain, iova, phys, len,
+ IOMMU_READ|IOMMU_WRITE);
if (ret < 0)
goto fail;
iova += len;
@@ -1431,6 +1432,27 @@ static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt,
GFP_KERNEL);
}
+static int __dma_direction_to_prot(enum dma_data_direction dir)
+{
+ int prot;
+
+ switch (dir) {
+ case DMA_BIDIRECTIONAL:
+ prot = IOMMU_READ | IOMMU_WRITE;
+ break;
+ case DMA_TO_DEVICE:
+ prot = IOMMU_READ;
+ break;
+ case DMA_FROM_DEVICE:
+ prot = IOMMU_WRITE;
+ break;
+ default:
+ prot = 0;
+ }
+
+ return prot;
+}
+
/*
* Map a part of the scatter-gather list into contiguous io address space
*/
@@ -1444,6 +1466,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
int ret = 0;
unsigned int count;
struct scatterlist *s;
+ int prot;
size = PAGE_ALIGN(size);
*handle = DMA_ERROR_CODE;
@@ -1460,7 +1483,9 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
__dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir);
- ret = iommu_map(mapping->domain, iova, phys, len, 0);
+ prot = __dma_direction_to_prot(dir);
+
+ ret = iommu_map(mapping->domain, iova, phys, len, prot);
if (ret < 0)
goto fail;
count += len >> PAGE_SHIFT;
@@ -1665,19 +1690,7 @@ static dma_addr_t arm_coherent_iommu_map_page(struct device *dev, struct page *p
if (dma_addr == DMA_ERROR_CODE)
return dma_addr;
- switch (dir) {
- case DMA_BIDIRECTIONAL:
- prot = IOMMU_READ | IOMMU_WRITE;
- break;
- case DMA_TO_DEVICE:
- prot = IOMMU_READ;
- break;
- case DMA_FROM_DEVICE:
- prot = IOMMU_WRITE;
- break;
- default:
- prot = 0;
- }
+ prot = __dma_direction_to_prot(dir);
ret = iommu_map(mapping->domain, dma_addr, page_to_phys(page), len, prot);
if (ret < 0)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index febaee7ca57b..18ec4c504abf 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -17,7 +17,6 @@
#include <linux/nodemask.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
-#include <linux/of_reserved_mem.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
#include <linux/memblock.h>
@@ -379,8 +378,6 @@ void __init arm_memblock_init(struct meminfo *mi,
if (mdesc->reserve)
mdesc->reserve();
- early_init_dt_scan_reserved_mem();
-
/*
* reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index f50d223a0bd3..99b44e0e8d86 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -930,4 +930,5 @@ void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter)
module_free(NULL, fp->bpf_func);
+ kfree(fp);
}
diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig
index 0f90569b9d85..9387cc2693f6 100644
--- a/arch/parisc/configs/712_defconfig
+++ b/arch/parisc/configs/712_defconfig
@@ -40,6 +40,8 @@ CONFIG_IP_NF_QUEUE=m
CONFIG_LLC2=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_PARPORT=y
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index b647b182dacc..90025322b75e 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -79,6 +79,8 @@ CONFIG_IP_DCCP=m
CONFIG_LLC2=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_BLK_DEV_UMEM=m
diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig
index e289f5bf3148..f1a0c25bef8d 100644
--- a/arch/parisc/configs/b180_defconfig
+++ b/arch/parisc/configs/b180_defconfig
@@ -4,6 +4,7 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
CONFIG_SYSFS_DEPRECATED_V2=y
+CONFIG_BLK_DEV_INITRD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODVERSIONS=y
@@ -27,6 +28,8 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_LRO is not set
CONFIG_IPV6=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_PARPORT=y
CONFIG_PARPORT_PC=y
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index 311ca367b622..ec1b014952b6 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -5,6 +5,7 @@ CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
CONFIG_SYSFS_DEPRECATED_V2=y
+CONFIG_BLK_DEV_INITRD=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
@@ -39,6 +40,8 @@ CONFIG_NETFILTER_DEBUG=y
CONFIG_IP_NF_QUEUE=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_BLK_DEV_UMEM=m
diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig
index f11006361297..e1c8d2015c89 100644
--- a/arch/parisc/configs/c8000_defconfig
+++ b/arch/parisc/configs/c8000_defconfig
@@ -62,6 +62,8 @@ CONFIG_TIPC=m
CONFIG_LLC2=m
CONFIG_DNS_RESOLVER=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
CONFIG_PARPORT=y
CONFIG_PARPORT_PC=y
diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig
index dfe88f6c95c4..ba61495e1fa4 100644
--- a/arch/parisc/configs/default_defconfig
+++ b/arch/parisc/configs/default_defconfig
@@ -49,6 +49,8 @@ CONFIG_INET6_ESP=y
CONFIG_INET6_IPCOMP=y
CONFIG_LLC2=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_PARPORT=y
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index b521c0adf4ec..c035673209f7 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -602,7 +602,6 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long
__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
}
}
-EXPORT_SYMBOL_GPL(flush_cache_page);
#ifdef CONFIG_PARISC_TMPALIAS
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index bf56e33f8257..2345bdb4d917 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -691,4 +691,5 @@ void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter)
module_free(NULL, fp->bpf_func);
+ kfree(fp);
}
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 709239285869..a5df511e27a2 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -881,7 +881,9 @@ void bpf_jit_free(struct sk_filter *fp)
struct bpf_binary_header *header = (void *)addr;
if (fp->bpf_func == sk_run_filter)
- return;
+ goto free_filter;
set_memory_rw(addr, header->pages);
module_free(NULL, header);
+free_filter:
+ kfree(fp);
}
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 9c7be59e6f5a..218b6b23c378 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -808,4 +808,5 @@ void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter)
module_free(NULL, fp->bpf_func);
+ kfree(fp);
}
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 145d703227bf..f67e839f06c8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1033,6 +1033,7 @@ config X86_REBOOTFIXUPS
config MICROCODE
tristate "CPU microcode loading support"
+ depends on CPU_SUP_AMD || CPU_SUP_INTEL
select FW_LOADER
---help---
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 1191ac1c9d25..a419814cea57 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -113,7 +113,7 @@ static int __init early_get_pnodeid(void)
break;
case UV3_HUB_PART_NUMBER:
case UV3_HUB_PART_NUMBER_X:
- uv_min_hub_revision_id += UV3_HUB_REVISION_BASE - 1;
+ uv_min_hub_revision_id += UV3_HUB_REVISION_BASE;
break;
}
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 697b93af02dd..a0e2a8a80c94 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -775,11 +775,22 @@ void __init kvm_spinlock_init(void)
if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
return;
- printk(KERN_INFO "KVM setup paravirtual spinlock\n");
+ pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning);
+ pv_lock_ops.unlock_kick = kvm_unlock_kick;
+}
+
+static __init int kvm_spinlock_init_jump(void)
+{
+ if (!kvm_para_available())
+ return 0;
+ if (!kvm_para_has_feature(KVM_FEATURE_PV_UNHALT))
+ return 0;
static_key_slow_inc(&paravirt_ticketlocks_enabled);
+ printk(KERN_INFO "KVM setup paravirtual spinlock\n");
- pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(kvm_lock_spinning);
- pv_lock_ops.unlock_kick = kvm_unlock_kick;
+ return 0;
}
+early_initcall(kvm_spinlock_init_jump);
+
#endif /* CONFIG_PARAVIRT_SPINLOCKS */
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 79c216aa0e2b..516593e1ce33 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -772,13 +772,21 @@ out:
return;
}
+static void bpf_jit_free_deferred(struct work_struct *work)
+{
+ struct sk_filter *fp = container_of(work, struct sk_filter, work);
+ unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
+ struct bpf_binary_header *header = (void *)addr;
+
+ set_memory_rw(addr, header->pages);
+ module_free(NULL, header);
+ kfree(fp);
+}
+
void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter) {
- unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
- struct bpf_binary_header *header = (void *)addr;
-
- set_memory_rw(addr, header->pages);
- module_free(NULL, header);
+ INIT_WORK(&fp->work, bpf_jit_free_deferred);
+ schedule_work(&fp->work);
}
}
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index d1e4777b4e75..31d04758b76f 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -278,6 +278,15 @@ static void __init xen_smp_prepare_boot_cpu(void)
old memory can be recycled */
make_lowmem_page_readwrite(xen_initial_gdt);
+#ifdef CONFIG_X86_32
+ /*
+ * Xen starts us with XEN_FLAT_RING1_DS, but linux code
+ * expects __USER_DS
+ */
+ loadsegment(ds, __USER_DS);
+ loadsegment(es, __USER_DS);
+#endif
+
xen_filter_cpu_maps();
xen_setup_vcpu_info_placement();
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.