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-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/include/asm/io_32.h10
-rw-r--r--arch/sparc/include/asm/uaccess_32.h14
-rw-r--r--arch/sparc/include/asm/uaccess_64.h11
-rw-r--r--arch/sparc/kernel/iommu.c12
-rw-r--r--arch/sparc/kernel/ioport.c24
-rw-r--r--arch/sparc/kernel/pci_sun4v.c12
-rw-r--r--arch/sparc/kernel/vmlinux.lds.S7
8 files changed, 51 insertions, 40 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 546293d9e6c5..59b09600dd32 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -43,6 +43,7 @@ config SPARC
select OLD_SIGSUSPEND
select ARCH_HAS_SG_CHAIN
select CPU_NO_EFFICIENT_FFS
+ select HAVE_ARCH_HARDENED_USERCOPY
config SPARC32
def_bool !64BIT
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index 57f26c398dc9..4dd268a3a8b0 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -140,16 +140,6 @@ void ioport_unmap(void __iomem *);
struct pci_dev;
void pci_iounmap(struct pci_dev *dev, void __iomem *);
-
-
-/*
- * At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
- * so rtc_port is static in it. This should not change unless a new
- * hardware pops up.
- */
-#define RTC_PORT(x) (rtc_port + (x))
-#define RTC_ALWAYS_BCD 0
-
static inline int sbus_can_dma_64bit(void)
{
return 0; /* actually, sparc_cpu_model==sun4d */
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 57aca2792d29..341a5a133f48 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -248,22 +248,28 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon
static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
{
- if (n && __access_ok((unsigned long) to, n))
+ if (n && __access_ok((unsigned long) to, n)) {
+ if (!__builtin_constant_p(n))
+ check_object_size(from, n, true);
return __copy_user(to, (__force void __user *) from, n);
- else
+ } else
return n;
}
static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
{
+ if (!__builtin_constant_p(n))
+ check_object_size(from, n, true);
return __copy_user(to, (__force void __user *) from, n);
}
static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
{
- if (n && __access_ok((unsigned long) from, n))
+ if (n && __access_ok((unsigned long) from, n)) {
+ if (!__builtin_constant_p(n))
+ check_object_size(to, n, false);
return __copy_user((__force void __user *) to, from, n);
- else
+ } else
return n;
}
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index e9a51d64974d..8bda94fab8e8 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -210,8 +210,12 @@ unsigned long copy_from_user_fixup(void *to, const void __user *from,
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long size)
{
- unsigned long ret = ___copy_from_user(to, from, size);
+ unsigned long ret;
+ if (!__builtin_constant_p(size))
+ check_object_size(to, size, false);
+
+ ret = ___copy_from_user(to, from, size);
if (unlikely(ret))
ret = copy_from_user_fixup(to, from, size);
@@ -227,8 +231,11 @@ unsigned long copy_to_user_fixup(void __user *to, const void *from,
static inline unsigned long __must_check
copy_to_user(void __user *to, const void *from, unsigned long size)
{
- unsigned long ret = ___copy_to_user(to, from, size);
+ unsigned long ret;
+ if (!__builtin_constant_p(size))
+ check_object_size(from, size, true);
+ ret = ___copy_to_user(to, from, size);
if (unlikely(ret))
ret = copy_to_user_fixup(to, from, size);
return ret;
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 37686828c3d9..5c615abff030 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -196,7 +196,7 @@ static inline void iommu_free_ctx(struct iommu *iommu, int ctx)
static void *dma_4u_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_addrp, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
unsigned long order, first_page;
struct iommu *iommu;
@@ -245,7 +245,7 @@ static void *dma_4u_alloc_coherent(struct device *dev, size_t size,
static void dma_4u_free_coherent(struct device *dev, size_t size,
void *cpu, dma_addr_t dvma,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct iommu *iommu;
unsigned long order, npages;
@@ -263,7 +263,7 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t sz,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct iommu *iommu;
struct strbuf *strbuf;
@@ -385,7 +385,7 @@ do_flush_sync:
static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
size_t sz, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct iommu *iommu;
struct strbuf *strbuf;
@@ -431,7 +431,7 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *s, *outs, *segstart;
unsigned long flags, handle, prot, ctx;
@@ -607,7 +607,7 @@ static unsigned long fetch_sg_ctx(struct iommu *iommu, struct scatterlist *sg)
static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
unsigned long flags, ctx;
struct scatterlist *sg;
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index ffd5ff4678cf..2344103414d1 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -260,7 +260,7 @@ EXPORT_SYMBOL(sbus_set_sbus64);
*/
static void *sbus_alloc_coherent(struct device *dev, size_t len,
dma_addr_t *dma_addrp, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct platform_device *op = to_platform_device(dev);
unsigned long len_total = PAGE_ALIGN(len);
@@ -315,7 +315,7 @@ err_nopages:
}
static void sbus_free_coherent(struct device *dev, size_t n, void *p,
- dma_addr_t ba, struct dma_attrs *attrs)
+ dma_addr_t ba, unsigned long attrs)
{
struct resource *res;
struct page *pgv;
@@ -355,7 +355,7 @@ static void sbus_free_coherent(struct device *dev, size_t n, void *p,
static dma_addr_t sbus_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t len,
enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
void *va = page_address(page) + offset;
@@ -371,20 +371,20 @@ static dma_addr_t sbus_map_page(struct device *dev, struct page *page,
}
static void sbus_unmap_page(struct device *dev, dma_addr_t ba, size_t n,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
mmu_release_scsi_one(dev, ba, n);
}
static int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
mmu_get_scsi_sgl(dev, sg, n);
return n;
}
static void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
mmu_release_scsi_sgl(dev, sg, n);
}
@@ -429,7 +429,7 @@ arch_initcall(sparc_register_ioport);
*/
static void *pci32_alloc_coherent(struct device *dev, size_t len,
dma_addr_t *pba, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
unsigned long len_total = PAGE_ALIGN(len);
void *va;
@@ -482,7 +482,7 @@ err_nopages:
* past this call are illegal.
*/
static void pci32_free_coherent(struct device *dev, size_t n, void *p,
- dma_addr_t ba, struct dma_attrs *attrs)
+ dma_addr_t ba, unsigned long attrs)
{
struct resource *res;
@@ -518,14 +518,14 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p,
static dma_addr_t pci32_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
/* IIep is write-through, not flushing. */
return page_to_phys(page) + offset;
}
static void pci32_unmap_page(struct device *dev, dma_addr_t ba, size_t size,
- enum dma_data_direction dir, struct dma_attrs *attrs)
+ enum dma_data_direction dir, unsigned long attrs)
{
if (dir != PCI_DMA_TODEVICE)
dma_make_coherent(ba, PAGE_ALIGN(size));
@@ -548,7 +548,7 @@ static void pci32_unmap_page(struct device *dev, dma_addr_t ba, size_t size,
*/
static int pci32_map_sg(struct device *device, struct scatterlist *sgl,
int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int n;
@@ -567,7 +567,7 @@ static int pci32_map_sg(struct device *device, struct scatterlist *sgl,
*/
static void pci32_unmap_sg(struct device *dev, struct scatterlist *sgl,
int nents, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *sg;
int n;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 836e8cef47e2..61c6f935accc 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -130,7 +130,7 @@ static inline long iommu_batch_end(void)
static void *dma_4v_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_addrp, gfp_t gfp,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
unsigned long flags, order, first_page, npages, n;
struct iommu *iommu;
@@ -213,7 +213,7 @@ static void dma_4v_iommu_demap(void *demap_arg, unsigned long entry,
}
static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu,
- dma_addr_t dvma, struct dma_attrs *attrs)
+ dma_addr_t dvma, unsigned long attrs)
{
struct pci_pbm_info *pbm;
struct iommu *iommu;
@@ -235,7 +235,7 @@ static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu,
static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t sz,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct iommu *iommu;
unsigned long flags, npages, oaddr;
@@ -294,7 +294,7 @@ iommu_map_fail:
static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
size_t sz, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct pci_pbm_info *pbm;
struct iommu *iommu;
@@ -322,7 +322,7 @@ static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct scatterlist *s, *outs, *segstart;
unsigned long flags, handle, prot;
@@ -466,7 +466,7 @@ iommu_map_failed:
static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
struct pci_pbm_info *pbm;
struct scatterlist *sg;
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 7d02b1fef025..d79b3b734245 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -150,6 +150,13 @@ SECTIONS
}
PERCPU_SECTION(SMP_CACHE_BYTES)
+#ifdef CONFIG_JUMP_LABEL
+ . = ALIGN(PAGE_SIZE);
+ .exit.text : {
+ EXIT_TEXT
+ }
+#endif
+
. = ALIGN(PAGE_SIZE);
__init_end = .;
BSS_SECTION(0, 0, 0)
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-26 16:25:55 +0000