diff options
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/cache.S | 2 | ||||
| -rw-r--r-- | arch/arm64/mm/fault.c | 3 | ||||
| -rw-r--r-- | arch/arm64/mm/proc.S | 3 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S index abe69b80cf7..48a386094fa 100644 --- a/arch/arm64/mm/cache.S +++ b/arch/arm64/mm/cache.S @@ -52,7 +52,7 @@ loop1: add x2, x2, #4 // add 4 (line length offset) mov x4, #0x3ff and x4, x4, x1, lsr #3 // find maximum number on the way size - clz x5, x4 // find bit position of way size increment + clz w5, w4 // find bit position of way size increment mov x7, #0x7fff and x7, x7, x1, lsr #13 // extract max number of the index size loop2: diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index afadae6682e..0782eaf4913 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -148,6 +148,7 @@ void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs) #define VM_FAULT_BADACCESS 0x020000 #define ESR_WRITE (1 << 6) +#define ESR_CM (1 << 8) #define ESR_LNX_EXEC (1 << 24) /* @@ -206,7 +207,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, struct task_struct *tsk; struct mm_struct *mm; int fault, sig, code; - int write = esr & ESR_WRITE; + bool write = (esr & ESR_WRITE) && !(esr & ESR_CM); unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | (write ? FAULT_FLAG_WRITE : 0); diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index f1d8b9bbfda..a82ae886807 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -119,8 +119,7 @@ ENTRY(__cpu_setup) mov x0, #3 << 20 msr cpacr_el1, x0 // Enable FP/ASIMD - mov x0, #1 - msr oslar_el1, x0 // Set the debug OS lock + msr mdscr_el1, xzr // Reset mdscr_el1 tlbi vmalle1is // invalidate I + D TLBs /* * Memory region attributes for LPAE: |