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-rw-r--r--arch/cris/arch-v10/lib/usercopy.c31
-rw-r--r--arch/cris/arch-v32/drivers/cryptocop.c2
-rw-r--r--arch/cris/arch-v32/drivers/pci/bios.c22
-rw-r--r--arch/cris/arch-v32/lib/usercopy.c30
-rw-r--r--arch/cris/include/arch-v10/arch/Kbuild1
-rw-r--r--arch/cris/include/arch-v10/arch/uaccess.h46
-rw-r--r--arch/cris/include/arch-v32/arch/Kbuild1
-rw-r--r--arch/cris/include/arch-v32/arch/uaccess.h54
-rw-r--r--arch/cris/include/asm/Kbuild1
-rw-r--r--arch/cris/include/asm/pci.h4
-rw-r--r--arch/cris/include/asm/pgtable.h1
-rw-r--r--arch/cris/include/asm/uaccess.h77
-rw-r--r--arch/cris/include/uapi/arch-v10/arch/Kbuild5
-rw-r--r--arch/cris/include/uapi/arch-v32/arch/Kbuild3
-rw-r--r--arch/cris/include/uapi/asm/Kbuild42
-rw-r--r--arch/cris/kernel/vmlinux.lds.S2
16 files changed, 72 insertions, 250 deletions
diff --git a/arch/cris/arch-v10/lib/usercopy.c b/arch/cris/arch-v10/lib/usercopy.c
index 1ba7cc000dfc..48fa37fe0f9b 100644
--- a/arch/cris/arch-v10/lib/usercopy.c
+++ b/arch/cris/arch-v10/lib/usercopy.c
@@ -188,11 +188,10 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
}
EXPORT_SYMBOL(__copy_user);
-/* Copy from user to kernel, zeroing the bytes that were inaccessible in
- userland. The return-value is the number of bytes that were
+/* Copy from user to kernel. The return-value is the number of bytes that were
inaccessible. */
-unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
+unsigned long __copy_user_in(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
@@ -217,19 +216,17 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
{
__asm_copy_from_user_1 (dst, src, retn);
n--;
+ if (retn)
+ goto exception;
}
if (((unsigned long) src & 2) && n >= 2)
{
__asm_copy_from_user_2 (dst, src, retn);
n -= 2;
+ if (retn)
+ goto exception;
}
-
- /* We only need one check after the unalignment-adjustments, because
- if both adjustments were done, either both or neither reference
- had an exception. */
- if (retn != 0)
- goto copy_exception_bytes;
}
/* Decide which copying method to use. */
@@ -328,7 +325,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
n -= 4;
if (retn)
- goto copy_exception_bytes;
+ goto exception;
}
/* If we get here, there were no memory read faults. */
@@ -356,20 +353,10 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
bytes. */
return retn;
-copy_exception_bytes:
- /* We already have "retn" bytes cleared, and need to clear the
- remaining "n" bytes. A non-optimized simple byte-for-byte in-line
- memset is preferred here, since this isn't speed-critical code and
- we'd rather have this a leaf-function than calling memset. */
- {
- char *endp;
- for (endp = dst + n; dst < endp; dst++)
- *dst = 0;
- }
-
+exception:
return retn + n;
}
-EXPORT_SYMBOL(__copy_user_zeroing);
+EXPORT_SYMBOL(__copy_user_in);
/* Zero userspace. */
unsigned long __do_clear_user(void __user *pto, unsigned long pn)
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index ae6903d7fdbe..14970f11bbf2 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -2086,7 +2086,7 @@ static void cryptocop_job_queue_close(void)
dma_in_cfg.en = regk_dma_no;
REG_WR(dma, IN_DMA_INST, rw_cfg, dma_in_cfg);
- /* Disble the cryptocop. */
+ /* Disable the cryptocop. */
rw_cfg = REG_RD(strcop, regi_strcop, rw_cfg);
rw_cfg.en = 0;
REG_WR(strcop, regi_strcop, rw_cfg, rw_cfg);
diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c
index 212266a2c5d9..394c2a73d5e2 100644
--- a/arch/cris/arch-v32/drivers/pci/bios.c
+++ b/arch/cris/arch-v32/drivers/pci/bios.c
@@ -14,28 +14,6 @@ void pcibios_set_master(struct pci_dev *dev)
pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
}
-int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine)
-{
- unsigned long prot;
-
- /* Leave vm_pgoff as-is, the PCI space address is the physical
- * address on this platform.
- */
- prot = pgprot_val(vma->vm_page_prot);
- vma->vm_page_prot = __pgprot(prot);
-
- /* Write-combine setting is ignored, it is changed via the mtrr
- * interfaces on this platform.
- */
- if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot))
- return -EAGAIN;
-
- return 0;
-}
-
resource_size_t
pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
diff --git a/arch/cris/arch-v32/lib/usercopy.c b/arch/cris/arch-v32/lib/usercopy.c
index 05e58dab800d..20b608026913 100644
--- a/arch/cris/arch-v32/lib/usercopy.c
+++ b/arch/cris/arch-v32/lib/usercopy.c
@@ -156,10 +156,9 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
}
EXPORT_SYMBOL(__copy_user);
-/* Copy from user to kernel, zeroing the bytes that were inaccessible in
- userland. The return-value is the number of bytes that were
+/* Copy from user to kernel. The return-value is the number of bytes that were
inaccessible. */
-unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
+unsigned long __copy_user_in(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
@@ -184,19 +183,18 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
{
__asm_copy_from_user_1 (dst, src, retn);
n--;
+ if (retn != 0)
+ goto exception;
}
if (((unsigned long) src & 2) && n >= 2)
{
__asm_copy_from_user_2 (dst, src, retn);
n -= 2;
+ if (retn != 0)
+ goto exception;
}
- /* We only need one check after the unalignment-adjustments, because
- if both adjustments were done, either both or neither reference
- had an exception. */
- if (retn != 0)
- goto copy_exception_bytes;
}
/* Movem is dirt cheap. The overheap is low enough to always use the
@@ -279,7 +277,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
n -= 4;
if (retn)
- goto copy_exception_bytes;
+ goto exception;
}
/* If we get here, there were no memory read faults. */
@@ -307,20 +305,10 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
bytes. */
return retn;
-copy_exception_bytes:
- /* We already have "retn" bytes cleared, and need to clear the
- remaining "n" bytes. A non-optimized simple byte-for-byte in-line
- memset is preferred here, since this isn't speed-critical code and
- we'd rather have this a leaf-function than calling memset. */
- {
- char *endp;
- for (endp = dst + n; dst < endp; dst++)
- *dst = 0;
- }
-
+exception:
return retn + n;
}
-EXPORT_SYMBOL(__copy_user_zeroing);
+EXPORT_SYMBOL(__copy_user_in);
/* Zero userspace. */
unsigned long __do_clear_user(void __user *pto, unsigned long pn)
diff --git a/arch/cris/include/arch-v10/arch/Kbuild b/arch/cris/include/arch-v10/arch/Kbuild
deleted file mode 100644
index 1f0fc7a66f5f..000000000000
--- a/arch/cris/include/arch-v10/arch/Kbuild
+++ /dev/null
@@ -1 +0,0 @@
-# CRISv10 arch
diff --git a/arch/cris/include/arch-v10/arch/uaccess.h b/arch/cris/include/arch-v10/arch/uaccess.h
index 65b02d9b605a..5477c98c2281 100644
--- a/arch/cris/include/arch-v10/arch/uaccess.h
+++ b/arch/cris/include/arch-v10/arch/uaccess.h
@@ -172,16 +172,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_user_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"2: move.b $r9,[%0+]\n", \
- "3: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "3: addq 1,%2\n", \
" .dword 2b,3b\n")
#define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
__asm_copy_user_cont(to, from, ret, \
" move.w [%1+],$r9\n" \
"2: move.w $r9,[%0+]\n" COPY, \
- "3: addq 2,%2\n" \
- " clear.w [%0+]\n" FIXUP, \
+ "3: addq 2,%2\n" FIXUP, \
" .dword 2b,3b\n" TENTRY)
#define __asm_copy_from_user_2(to, from, ret) \
@@ -191,16 +189,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_2x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"4: move.b $r9,[%0+]\n", \
- "5: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "5: addq 1,%2\n", \
" .dword 4b,5b\n")
#define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
__asm_copy_user_cont(to, from, ret, \
" move.d [%1+],$r9\n" \
"2: move.d $r9,[%0+]\n" COPY, \
- "3: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ "3: addq 4,%2\n" FIXUP, \
" .dword 2b,3b\n" TENTRY)
#define __asm_copy_from_user_4(to, from, ret) \
@@ -210,8 +206,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_4x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"4: move.b $r9,[%0+]\n", \
- "5: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "5: addq 1,%2\n", \
" .dword 4b,5b\n")
#define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -219,7 +214,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.w [%1+],$r9\n" \
"4: move.w $r9,[%0+]\n" COPY, \
"5: addq 2,%2\n" \
- " clear.w [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 4b,5b\n" TENTRY)
#define __asm_copy_from_user_6(to, from, ret) \
@@ -229,8 +224,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_6x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"6: move.b $r9,[%0+]\n", \
- "7: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "7: addq 1,%2\n", \
" .dword 6b,7b\n")
#define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -238,7 +232,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d [%1+],$r9\n" \
"4: move.d $r9,[%0+]\n" COPY, \
"5: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 4b,5b\n" TENTRY)
#define __asm_copy_from_user_8(to, from, ret) \
@@ -248,8 +242,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_8x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"6: move.b $r9,[%0+]\n", \
- "7: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "7: addq 1,%2\n", \
" .dword 6b,7b\n")
#define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -257,7 +250,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.w [%1+],$r9\n" \
"6: move.w $r9,[%0+]\n" COPY, \
"7: addq 2,%2\n" \
- " clear.w [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 6b,7b\n" TENTRY)
#define __asm_copy_from_user_10(to, from, ret) \
@@ -267,8 +260,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_10x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"8: move.b $r9,[%0+]\n", \
- "9: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "9: addq 1,%2\n", \
" .dword 8b,9b\n")
#define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -276,7 +268,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d [%1+],$r9\n" \
"6: move.d $r9,[%0+]\n" COPY, \
"7: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 6b,7b\n" TENTRY)
#define __asm_copy_from_user_12(to, from, ret) \
@@ -286,8 +278,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_12x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"8: move.b $r9,[%0+]\n", \
- "9: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "9: addq 1,%2\n", \
" .dword 8b,9b\n")
#define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -295,7 +286,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.w [%1+],$r9\n" \
"8: move.w $r9,[%0+]\n" COPY, \
"9: addq 2,%2\n" \
- " clear.w [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 8b,9b\n" TENTRY)
#define __asm_copy_from_user_14(to, from, ret) \
@@ -305,8 +296,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_14x_cont(to, from, ret, \
" move.b [%1+],$r9\n" \
"10: move.b $r9,[%0+]\n", \
- "11: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "11: addq 1,%2\n", \
" .dword 10b,11b\n")
#define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -314,7 +304,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d [%1+],$r9\n" \
"8: move.d $r9,[%0+]\n" COPY, \
"9: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 8b,9b\n" TENTRY)
#define __asm_copy_from_user_16(to, from, ret) \
@@ -325,7 +315,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d [%1+],$r9\n" \
"10: move.d $r9,[%0+]\n" COPY, \
"11: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 10b,11b\n" TENTRY)
#define __asm_copy_from_user_20(to, from, ret) \
@@ -336,7 +326,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d [%1+],$r9\n" \
"12: move.d $r9,[%0+]\n" COPY, \
"13: addq 4,%2\n" \
- " clear.d [%0+]\n" FIXUP, \
+ FIXUP, \
" .dword 12b,13b\n" TENTRY)
#define __asm_copy_from_user_24(to, from, ret) \
diff --git a/arch/cris/include/arch-v32/arch/Kbuild b/arch/cris/include/arch-v32/arch/Kbuild
deleted file mode 100644
index 2fd65c7e15c9..000000000000
--- a/arch/cris/include/arch-v32/arch/Kbuild
+++ /dev/null
@@ -1 +0,0 @@
-# CRISv32 arch
diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h
index 3196019706cb..dc2ce090f624 100644
--- a/arch/cris/include/arch-v32/arch/uaccess.h
+++ b/arch/cris/include/arch-v32/arch/uaccess.h
@@ -178,8 +178,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"2: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
"3: addq 1,%2\n" \
- " jump 1b\n" \
- " clear.b [%0+]\n", \
+ " jump 1b\n", \
" .dword 2b,3b\n")
#define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -189,8 +188,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.w $acr,[%0+]\n", \
FIXUP \
"3: addq 2,%2\n" \
- " jump 1b\n" \
- " clear.w [%0+]\n", \
+ " jump 1b\n", \
TENTRY \
" .dword 2b,3b\n")
@@ -201,8 +199,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_2x_cont(to, from, ret, \
"4: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "5: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "5: addq 1,%2\n", \
" .dword 4b,5b\n")
#define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -212,8 +209,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
" move.d $acr,[%0+]\n", \
FIXUP \
"3: addq 4,%2\n" \
- " jump 1b\n" \
- " clear.d [%0+]\n", \
+ " jump 1b\n", \
TENTRY \
" .dword 2b,3b\n")
@@ -224,8 +220,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_4x_cont(to, from, ret, \
"4: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "5: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "5: addq 1,%2\n", \
" .dword 4b,5b\n")
#define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -234,8 +229,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"4: move.w [%1+],$acr\n" \
" move.w $acr,[%0+]\n", \
FIXUP \
- "5: addq 2,%2\n" \
- " clear.w [%0+]\n", \
+ "5: addq 2,%2\n", \
TENTRY \
" .dword 4b,5b\n")
@@ -246,8 +240,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_6x_cont(to, from, ret, \
"6: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "7: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "7: addq 1,%2\n", \
" .dword 6b,7b\n")
#define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -256,8 +249,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"4: move.d [%1+],$acr\n" \
" move.d $acr,[%0+]\n", \
FIXUP \
- "5: addq 4,%2\n" \
- " clear.d [%0+]\n", \
+ "5: addq 4,%2\n", \
TENTRY \
" .dword 4b,5b\n")
@@ -268,8 +260,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_8x_cont(to, from, ret, \
"6: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "7: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "7: addq 1,%2\n", \
" .dword 6b,7b\n")
#define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -278,8 +269,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"6: move.w [%1+],$acr\n" \
" move.w $acr,[%0+]\n", \
FIXUP \
- "7: addq 2,%2\n" \
- " clear.w [%0+]\n", \
+ "7: addq 2,%2\n", \
TENTRY \
" .dword 6b,7b\n")
@@ -290,8 +280,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_10x_cont(to, from, ret, \
"8: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "9: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "9: addq 1,%2\n", \
" .dword 8b,9b\n")
#define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -300,8 +289,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"6: move.d [%1+],$acr\n" \
" move.d $acr,[%0+]\n", \
FIXUP \
- "7: addq 4,%2\n" \
- " clear.d [%0+]\n", \
+ "7: addq 4,%2\n", \
TENTRY \
" .dword 6b,7b\n")
@@ -312,8 +300,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_12x_cont(to, from, ret, \
"8: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "9: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "9: addq 1,%2\n", \
" .dword 8b,9b\n")
#define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -322,8 +309,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"8: move.w [%1+],$acr\n" \
" move.w $acr,[%0+]\n", \
FIXUP \
- "9: addq 2,%2\n" \
- " clear.w [%0+]\n", \
+ "9: addq 2,%2\n", \
TENTRY \
" .dword 8b,9b\n")
@@ -334,8 +320,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
__asm_copy_from_user_14x_cont(to, from, ret, \
"10: move.b [%1+],$acr\n" \
" move.b $acr,[%0+]\n", \
- "11: addq 1,%2\n" \
- " clear.b [%0+]\n", \
+ "11: addq 1,%2\n", \
" .dword 10b,11b\n")
#define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \
@@ -344,8 +329,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"8: move.d [%1+],$acr\n" \
" move.d $acr,[%0+]\n", \
FIXUP \
- "9: addq 4,%2\n" \
- " clear.d [%0+]\n", \
+ "9: addq 4,%2\n", \
TENTRY \
" .dword 8b,9b\n")
@@ -358,8 +342,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"10: move.d [%1+],$acr\n" \
" move.d $acr,[%0+]\n", \
FIXUP \
- "11: addq 4,%2\n" \
- " clear.d [%0+]\n", \
+ "11: addq 4,%2\n", \
TENTRY \
" .dword 10b,11b\n")
@@ -372,8 +355,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
"12: move.d [%1+],$acr\n" \
" move.d $acr,[%0+]\n", \
FIXUP \
- "13: addq 4,%2\n" \
- " clear.d [%0+]\n", \
+ "13: addq 4,%2\n", \
TENTRY \
" .dword 12b,13b\n")
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index 0f5132b08896..2890099992a9 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -9,6 +9,7 @@ generic-y += device.h
generic-y += div64.h
generic-y += errno.h
generic-y += exec.h
+generic-y += extable.h
generic-y += emergency-restart.h
generic-y += fcntl.h
generic-y += futex.h
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index b1b289df04c7..6e505332b3e3 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -42,9 +42,7 @@ struct pci_dev;
#define PCI_DMA_BUS_IS_PHYS (1)
#define HAVE_PCI_MMAP
-extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
-
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
#endif /* __KERNEL__ */
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index 2a3210ba4c72..fa3a73004cc5 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -6,6 +6,7 @@
#define _CRIS_PGTABLE_H
#include <asm/page.h>
+#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
#ifndef __ASSEMBLY__
diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h
index 56c7d5750abd..0d473aec3066 100644
--- a/arch/cris/include/asm/uaccess.h
+++ b/arch/cris/include/asm/uaccess.h
@@ -15,15 +15,9 @@
#ifndef _CRIS_UACCESS_H
#define _CRIS_UACCESS_H
-#ifndef __ASSEMBLY__
-#include <linux/sched.h>
-#include <linux/errno.h>
#include <asm/processor.h>
#include <asm/page.h>
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
/*
* The fs value determines whether argument validity checking should be
* performed or not. If get_fs() == USER_DS, checking is performed, with
@@ -49,30 +43,14 @@
#define segment_eq(a, b) ((a).seg == (b).seg)
-#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
+#define __kernel_ok (uaccess_kernel())
#define __user_ok(addr, size) \
(((size) <= TASK_SIZE) && ((addr) <= TASK_SIZE-(size)))
#define __access_ok(addr, size) (__kernel_ok || __user_ok((addr), (size)))
#define access_ok(type, addr, size) __access_ok((unsigned long)(addr), (size))
#include <arch/uaccess.h>
-
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry {
- unsigned long insn, fixup;
-};
+#include <asm/extable.h>
/*
* These are the main single-value transfer routines. They automatically
@@ -191,7 +169,7 @@ extern long __get_user_bad(void);
live in lib/usercopy.c */
extern unsigned long __copy_user(void __user *to, const void *from, unsigned long n);
-extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n);
+extern unsigned long __copy_user_in(void *to, const void __user *from, unsigned long n);
extern unsigned long __do_clear_user(void __user *to, unsigned long n);
static inline long
@@ -258,7 +236,7 @@ __constant_copy_from_user(void *to, const void __user *from, unsigned long n)
else if (n == 24)
__asm_copy_from_user_24(to, from, ret);
else
- ret = __copy_user_zeroing(to, from, n);
+ ret = __copy_user_in(to, from, n);
return ret;
}
@@ -358,64 +336,33 @@ static inline size_t clear_user(void __user *to, size_t n)
return __do_clear_user(to, n);
}
-static inline size_t copy_from_user(void *to, const void __user *from, size_t n)
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
{
- if (unlikely(!access_ok(VERIFY_READ, from, n))) {
- memset(to, 0, n);
- return n;
- }
if (__builtin_constant_p(n))
return __constant_copy_from_user(to, from, n);
else
- return __copy_user_zeroing(to, from, n);
+ return __copy_user_in(to, from, n);
}
-static inline size_t copy_to_user(void __user *to, const void *from, size_t n)
+static inline unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
- if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
- return n;
if (__builtin_constant_p(n))
return __constant_copy_to_user(to, from, n);
else
return __copy_user(to, from, n);
}
-/* We let the __ versions of copy_from/to_user inline, because they're often
- * used in fast paths and have only a small space overhead.
- */
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
static inline unsigned long
-__generic_copy_from_user_nocheck(void *to, const void __user *from,
- unsigned long n)
-{
- return __copy_user_zeroing(to, from, n);
-}
-
-static inline unsigned long
-__generic_copy_to_user_nocheck(void __user *to, const void *from,
- unsigned long n)
-{
- return __copy_user(to, from, n);
-}
-
-static inline unsigned long
-__generic_clear_user_nocheck(void __user *to, unsigned long n)
+__clear_user(void __user *to, unsigned long n)
{
return __do_clear_user(to, n);
}
-/* without checking */
-
-#define __copy_to_user(to, from, n) \
- __generic_copy_to_user_nocheck((to), (from), (n))
-#define __copy_from_user(to, from, n) \
- __generic_copy_from_user_nocheck((to), (from), (n))
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-#define __clear_user(to, n) __generic_clear_user_nocheck((to), (n))
-
#define strlen_user(str) strnlen_user((str), 0x7ffffffe)
-#endif /* __ASSEMBLY__ */
-
#endif /* _CRIS_UACCESS_H */
diff --git a/arch/cris/include/uapi/arch-v10/arch/Kbuild b/arch/cris/include/uapi/arch-v10/arch/Kbuild
deleted file mode 100644
index 9048c87a782b..000000000000
--- a/arch/cris/include/uapi/arch-v10/arch/Kbuild
+++ /dev/null
@@ -1,5 +0,0 @@
-# UAPI Header export list
-header-y += sv_addr.agh
-header-y += sv_addr_ag.h
-header-y += svinto.h
-header-y += user.h
diff --git a/arch/cris/include/uapi/arch-v32/arch/Kbuild b/arch/cris/include/uapi/arch-v32/arch/Kbuild
deleted file mode 100644
index 59efffd16b61..000000000000
--- a/arch/cris/include/uapi/arch-v32/arch/Kbuild
+++ /dev/null
@@ -1,3 +0,0 @@
-# UAPI Header export list
-header-y += cryptocop.h
-header-y += user.h
diff --git a/arch/cris/include/uapi/asm/Kbuild b/arch/cris/include/uapi/asm/Kbuild
index d5564a0ae66a..b15bf6bc0e94 100644
--- a/arch/cris/include/uapi/asm/Kbuild
+++ b/arch/cris/include/uapi/asm/Kbuild
@@ -1,44 +1,2 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
-
-header-y += ../arch-v10/arch/
-header-y += ../arch-v32/arch/
-header-y += auxvec.h
-header-y += bitsperlong.h
-header-y += byteorder.h
-header-y += elf.h
-header-y += elf_v10.h
-header-y += elf_v32.h
-header-y += errno.h
-header-y += ethernet.h
-header-y += etraxgpio.h
-header-y += fcntl.h
-header-y += ioctl.h
-header-y += ioctls.h
-header-y += ipcbuf.h
-header-y += mman.h
-header-y += msgbuf.h
-header-y += param.h
-header-y += poll.h
-header-y += posix_types.h
-header-y += ptrace.h
-header-y += ptrace_v10.h
-header-y += ptrace_v32.h
-header-y += resource.h
-header-y += rs485.h
-header-y += sembuf.h
-header-y += setup.h
-header-y += shmbuf.h
-header-y += sigcontext.h
-header-y += siginfo.h
-header-y += signal.h
-header-y += socket.h
-header-y += sockios.h
-header-y += stat.h
-header-y += statfs.h
-header-y += swab.h
-header-y += sync_serial.h
-header-y += termbits.h
-header-y += termios.h
-header-y += types.h
-header-y += unistd.h
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index 979586261520..867f237d7c5c 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -68,6 +68,8 @@ SECTIONS
__edata = . ; /* End of data section. */
_edata = . ;
+ BUG_TABLE
+
INIT_TASK_DATA_SECTION(PAGE_SIZE)
. = ALIGN(PAGE_SIZE); /* Init code and data. */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 18:09:27 +0000