diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2019-08-12 14:36:27 +0200 |
commit | cbd32a1c56e36fedaa93a727699188bd3e6e6f67 (patch) | |
tree | 199e302eb5a66725a9d1774e47367a87098ba397 /arch/s390/mm/fault.c | |
parent | 48c7d73b2362ce61503551ad70052617b3e8857d (diff) | |
parent | b61fbc887af7a13a1c90c84c1feaeb4c9780e1e2 (diff) |
Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull a single EFI fix for v5.3 from Ard:
- Fix mixed mode breakage in EFI config table handling for TPM.
Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r-- | arch/s390/mm/fault.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index df75d574246d..63507662828f 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -67,20 +67,6 @@ static int __init fault_init(void) } early_initcall(fault_init); -static inline int notify_page_fault(struct pt_regs *regs) -{ - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ - if (kprobes_built_in() && !user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, 14)) - ret = 1; - preempt_enable(); - } - return ret; -} - /* * Find out which address space caused the exception. */ @@ -248,8 +234,7 @@ static noinline void do_sigsegv(struct pt_regs *regs, int si_code) { report_user_fault(regs, SIGSEGV, 1); force_sig_fault(SIGSEGV, si_code, - (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK), - current); + (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK)); } const struct exception_table_entry *s390_search_extables(unsigned long addr) @@ -310,8 +295,7 @@ static noinline void do_sigbus(struct pt_regs *regs) * or user mode. */ force_sig_fault(SIGBUS, BUS_ADRERR, - (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK), - current); + (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK)); } static noinline int signal_return(struct pt_regs *regs) @@ -414,7 +398,7 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) */ clear_pt_regs_flag(regs, PIF_PER_TRAP); - if (notify_page_fault(regs)) + if (kprobe_page_fault(regs, 14)) return 0; mm = tsk->mm; |