diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:35:26 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:35:26 -0500 |
| commit | e4922088f8e90ea163281ba8e69b98f34a7a1b83 (patch) | |
| tree | 1db574412a5365f285754dd0364d249581535ad8 /arch/s390/mm/extable.c | |
| parent | 33436335e93a1788a58443fc99c5ab320ce4b9d9 (diff) | |
| parent | 5fc5b94a273655128159186c87662105db8afeb5 (diff) | |
Merge tag 'kvm-s390-next-6.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
* Two more V!=R patches
* The last part of the cmpxchg patches
* A few fixes
Diffstat (limited to 'arch/s390/mm/extable.c')
| -rw-r--r-- | arch/s390/mm/extable.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/mm/extable.c b/arch/s390/mm/extable.c index 1e4d2187541a..fe87291df95d 100644 --- a/arch/s390/mm/extable.c +++ b/arch/s390/mm/extable.c @@ -47,13 +47,16 @@ static bool ex_handler_ua_load_mem(const struct exception_table_entry *ex, struc return true; } -static bool ex_handler_ua_load_reg(const struct exception_table_entry *ex, struct pt_regs *regs) +static bool ex_handler_ua_load_reg(const struct exception_table_entry *ex, + bool pair, struct pt_regs *regs) { unsigned int reg_zero = FIELD_GET(EX_DATA_REG_ADDR, ex->data); unsigned int reg_err = FIELD_GET(EX_DATA_REG_ERR, ex->data); regs->gprs[reg_err] = -EFAULT; regs->gprs[reg_zero] = 0; + if (pair) + regs->gprs[reg_zero + 1] = 0; regs->psw.addr = extable_fixup(ex); return true; } @@ -75,7 +78,9 @@ bool fixup_exception(struct pt_regs *regs) case EX_TYPE_UA_LOAD_MEM: return ex_handler_ua_load_mem(ex, regs); case EX_TYPE_UA_LOAD_REG: - return ex_handler_ua_load_reg(ex, regs); + return ex_handler_ua_load_reg(ex, false, regs); + case EX_TYPE_UA_LOAD_REGPAIR: + return ex_handler_ua_load_reg(ex, true, regs); } panic("invalid exception table entry"); } |