Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:
 "A small number of small fixes for ARM, mostly for some build issues.

  One fix for a regression caused by the cpu hotplug conversion from a
  few kernel versions ago"

* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8750/1: deflate_xip_data.sh: minor fixes
  ARM: 8748/1: mm: Define vdso_start, vdso_end as array
  ARM: 8747/1: make CONFIG_DEBUG_WX depend on MMU
  ARM: 8746/1: vfp: Go back to clearing vfp_current_hw_state[]

5 files changed, 12 insertions, 11 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 78a647080ebc..199ebc1c4538 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -22,6 +22,7 @@ config ARM_PTDUMP_DEBUGFS
 
 config DEBUG_WX
         bool "Warn on W+X mappings at boot"
+        depends on MMU
         select ARM_PTDUMP_CORE
         ---help---
                 Generate a warning if any W+X mappings are found at boot.
diff --git a/arch/arm/boot/deflate_xip_data.sh b/arch/arm/boot/deflate_xip_data.sh
index 1189598a25eb..5e7d758ebdd6 100755
--- a/arch/arm/boot/deflate_xip_data.sh
+++ b/arch/arm/boot/deflate_xip_data.sh
@@ -30,7 +30,7 @@ esac
 
 sym_val() {
         # extract hex value for symbol in $1
-        local val=$($NM "$VMLINUX" | sed -n "/ $1$/{s/ .*$//p;q}")
+        local val=$($NM "$VMLINUX" 2>/dev/null | sed -n "/ $1\$/{s/ .*$//p;q}")
         [ "$val" ] || { echo "can't find $1 in $VMLINUX" 1>&2; exit 1; }
         # convert from hex to decimal
         echo $((0x$val))
@@ -48,12 +48,12 @@ data_end=$(($_edata_loc - $base_offset))
 file_end=$(stat -c "%s" "$XIPIMAGE")
 if [ "$file_end" != "$data_end" ]; then
         printf "end of xipImage doesn't match with _edata_loc (%#x vs %#x)\n" \
-               $(($file_end + $base_offset)) $_edata_loc 2>&1
+               $(($file_end + $base_offset)) $_edata_loc 1>&2
         exit 1;
 fi
 
 # be ready to clean up
-trap 'rm -f "$XIPIMAGE.tmp"' 0 1 2 3
+trap 'rm -f "$XIPIMAGE.tmp"; exit 1' 1 2 3
 
 # substitute the data section by a compressed version
 $DD if="$XIPIMAGE" count=$data_start iflag=count_bytes of="$XIPIMAGE.tmp"
diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index 9c99e817535e..5b85889f82ee 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -12,8 +12,6 @@ struct mm_struct;
 
 void arm_install_vdso(struct mm_struct *mm, unsigned long addr);
 
-extern char vdso_start, vdso_end;
-
 extern unsigned int vdso_total_pages;
 
 #else /* CONFIG_VDSO */
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
index a4d6dc0f2427..f4dd7f9663c1 100644
--- a/arch/arm/kernel/vdso.c
+++ b/arch/arm/kernel/vdso.c
@@ -39,6 +39,8 @@
 
 static struct page **vdso_text_pagelist;
 
+extern char vdso_start[], vdso_end[];
+
 /* Total number of pages needed for the data and text portions of the VDSO. */
 unsigned int vdso_total_pages __ro_after_init;
 
@@ -197,13 +199,13 @@ static int __init vdso_init(void)
         unsigned int text_pages;
         int i;
 
-        if (memcmp(&vdso_start, "\177ELF", 4)) {
+        if (memcmp(vdso_start, "\177ELF", 4)) {
                 pr_err("VDSO is not a valid ELF object!\n");
                 return -ENOEXEC;
         }
 
-        text_pages = (&vdso_end - &vdso_start) >> PAGE_SHIFT;
-        pr_debug("vdso: %i text pages at base %p\n", text_pages, &vdso_start);
+        text_pages = (vdso_end - vdso_start) >> PAGE_SHIFT;
+        pr_debug("vdso: %i text pages at base %p\n", text_pages, vdso_start);
 
         /* Allocate the VDSO text pagelist */
         vdso_text_pagelist = kcalloc(text_pages, sizeof(struct page *),
@@ -218,7 +220,7 @@ static int __init vdso_init(void)
         for (i = 0; i < text_pages; i++) {
                 struct page *page;
 
-                page = virt_to_page(&vdso_start + i * PAGE_SIZE);
+                page = virt_to_page(vdso_start + i * PAGE_SIZE);
                 vdso_text_pagelist[i] = page;
         }
 
@@ -229,7 +231,7 @@ static int __init vdso_init(void)
 
         cntvct_ok = cntvct_functional();
 
-        patch_vdso(&vdso_start);
+        patch_vdso(vdso_start);
 
         return 0;
 }
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 03c6a3c72f9c..4c375e11ae95 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -648,7 +648,7 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp,
  */
 static int vfp_dying_cpu(unsigned int cpu)
 {
-        vfp_force_reload(cpu, current_thread_info());
+        vfp_current_hw_state[cpu] = NULL;
         return 0;
 }