Commit 0d45dab6 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64

Pull ARM64 fixes/updates from Catalin Marinas:
 - Bug-fixes (get_user/put_user, incorrect register width for ASID,
   FPSIMD initialisation)
 - Kconfig clean-up
 - defconfig update

* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: Remove duplicate DEBUG_STACK_USAGE config
  arm64: include VIRTIO_{MMIO,BLK} in defconfig
  arm64: include EXT4 in defconfig
  arm64: fix possible invalid FPSIMD initialization state
  arm64: use correct register width when retrieving ASID
  arm64: avoid multiple evaluation of ptr in get_user/put_user()
parents 0bfdbf0e 09d3ce74
......@@ -6,13 +6,6 @@ config FRAME_POINTER
bool
default y
config DEBUG_STACK_USAGE
bool "Enable stack utilization instrumentation"
depends on DEBUG_KERNEL
help
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T output.
config EARLY_PRINTK
bool "Early printk support"
default y
......
......@@ -42,7 +42,7 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_WIRELESS is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_BLK_DEV is not set
CONFIG_BLK_DEV=y
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
......@@ -72,6 +72,7 @@ CONFIG_LOGO=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
# CONFIG_EXT3_FS_XATTR is not set
CONFIG_FUSE_FS=y
......@@ -90,3 +91,5 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
# CONFIG_FTRACE is not set
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_BLK=y
......@@ -166,9 +166,10 @@ do { \
#define get_user(x, ptr) \
({ \
__typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \
__get_user((x), (ptr)) : \
access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \
__get_user((x), __p) : \
((x) = 0, -EFAULT); \
})
......@@ -227,9 +228,10 @@ do { \
#define put_user(x, ptr) \
({ \
__typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \
__put_user((x), (ptr)) : \
access_ok(VERIFY_WRITE, __p, sizeof(*__p)) ? \
__put_user((x), __p) : \
-EFAULT; \
})
......
......@@ -80,8 +80,10 @@ void fpsimd_thread_switch(struct task_struct *next)
void fpsimd_flush_thread(void)
{
preempt_disable();
memset(&current->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
fpsimd_load_state(&current->thread.fpsimd_state);
preempt_enable();
}
#ifdef CONFIG_KERNEL_MODE_NEON
......
......@@ -35,7 +35,7 @@
*/
ENTRY(__cpu_flush_user_tlb_range)
vma_vm_mm x3, x2 // get vma->vm_mm
mmid x3, x3 // get vm_mm->context.id
mmid w3, x3 // get vm_mm->context.id
dsb sy
lsr x0, x0, #12 // align address
lsr x1, x1, #12
......
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