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Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/nmi.c52
1 files changed, 26 insertions, 26 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index a98aab1f987b..3c69483faa10 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -29,7 +29,7 @@ struct mcck_struct {
int warning;
unsigned int etr_queue : 1;
unsigned int stp_queue : 1;
- unsigned long long mcck_code;
+ unsigned long mcck_code;
};
static DEFINE_PER_CPU(struct mcck_struct, cpu_mcck);
@@ -89,7 +89,7 @@ void s390_handle_mcck(void)
if (mcck.kill_task) {
local_irq_enable();
printk(KERN_EMERG "mcck: Terminating task because of machine "
- "malfunction (code 0x%016llx).\n", mcck.mcck_code);
+ "malfunction (code 0x%016lx).\n", mcck.mcck_code);
printk(KERN_EMERG "mcck: task: %s, pid: %d.\n",
current->comm, current->pid);
do_exit(SIGSEGV);
@@ -101,7 +101,7 @@ EXPORT_SYMBOL_GPL(s390_handle_mcck);
* returns 0 if all registers could be validated
* returns 1 otherwise
*/
-static int notrace s390_revalidate_registers(struct mci *mci)
+static int notrace s390_revalidate_registers(union mci mci)
{
int kill_task;
u64 zero;
@@ -110,14 +110,14 @@ static int notrace s390_revalidate_registers(struct mci *mci)
kill_task = 0;
zero = 0;
- if (!mci->gr) {
+ if (!mci.gr) {
/*
* General purpose registers couldn't be restored and have
* unknown contents. Process needs to be terminated.
*/
kill_task = 1;
}
- if (!mci->fp) {
+ if (!mci.fp) {
/*
* Floating point registers can't be restored and
* therefore the process needs to be terminated.
@@ -126,7 +126,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
}
fpt_save_area = &S390_lowcore.floating_pt_save_area;
fpt_creg_save_area = &S390_lowcore.fpt_creg_save_area;
- if (!mci->fc) {
+ if (!mci.fc) {
/*
* Floating point control register can't be restored.
* Task will be terminated.
@@ -160,7 +160,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
/* Revalidate vector registers */
union ctlreg0 cr0;
- if (!mci->vr) {
+ if (!mci.vr) {
/*
* Vector registers can't be restored and therefore
* the process needs to be terminated.
@@ -182,7 +182,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
asm volatile(
" lam 0,15,0(%0)"
: : "a" (&S390_lowcore.access_regs_save_area));
- if (!mci->ar) {
+ if (!mci.ar) {
/*
* Access registers have unknown contents.
* Terminating task.
@@ -190,7 +190,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
kill_task = 1;
}
/* Revalidate control registers */
- if (!mci->cr) {
+ if (!mci.cr) {
/*
* Control registers have unknown contents.
* Can't recover and therefore stopping machine.
@@ -209,7 +209,7 @@ static int notrace s390_revalidate_registers(struct mci *mci)
* See if we can revalidate the TOD programmable register with its
* old contents (should be zero) otherwise set it to zero.
*/
- if (!mci->pr)
+ if (!mci.pr)
asm volatile(
" sr 0,0\n"
" sckpf"
@@ -223,14 +223,14 @@ static int notrace s390_revalidate_registers(struct mci *mci)
/* Revalidate clock comparator register */
set_clock_comparator(S390_lowcore.clock_comparator);
/* Check if old PSW is valid */
- if (!mci->wp)
+ if (!mci.wp)
/*
* Can't tell if we come from user or kernel mode
* -> stopping machine.
*/
s390_handle_damage();
- if (!mci->ms || !mci->pm || !mci->ia)
+ if (!mci.ms || !mci.pm || !mci.ia)
kill_task = 1;
return kill_task;
@@ -254,21 +254,21 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
static unsigned long long last_ipd;
struct mcck_struct *mcck;
unsigned long long tmp;
- struct mci *mci;
+ union mci mci;
int umode;
nmi_enter();
inc_irq_stat(NMI_NMI);
- mci = (struct mci *) &S390_lowcore.mcck_interruption_code;
+ mci.val = S390_lowcore.mcck_interruption_code;
mcck = this_cpu_ptr(&cpu_mcck);
umode = user_mode(regs);
- if (mci->sd) {
+ if (mci.sd) {
/* System damage -> stopping machine */
s390_handle_damage();
}
- if (mci->pd) {
- if (mci->b) {
+ if (mci.pd) {
+ if (mci.b) {
/* Processing backup -> verify if we can survive this */
u64 z_mcic, o_mcic, t_mcic;
z_mcic = (1ULL<<63 | 1ULL<<59 | 1ULL<<29);
@@ -276,7 +276,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
1ULL<<36 | 1ULL<<35 | 1ULL<<34 | 1ULL<<32 |
1ULL<<30 | 1ULL<<21 | 1ULL<<20 | 1ULL<<17 |
1ULL<<16);
- t_mcic = *(u64 *)mci;
+ t_mcic = mci.val;
if (((t_mcic & z_mcic) != 0) ||
((t_mcic & o_mcic) != o_mcic)) {
@@ -309,7 +309,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
* user mode -> mark task for termination.
*/
mcck->kill_task = 1;
- mcck->mcck_code = *(unsigned long long *) mci;
+ mcck->mcck_code = mci.val;
set_cpu_flag(CIF_MCCK_PENDING);
} else {
/*
@@ -319,11 +319,11 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
s390_handle_damage();
}
}
- if (mci->cd) {
+ if (mci.cd) {
/* Timing facility damage */
s390_handle_damage();
}
- if (mci->ed && mci->ec) {
+ if (mci.ed && mci.ec) {
/* External damage */
if (S390_lowcore.external_damage_code & (1U << ED_ETR_SYNC))
mcck->etr_queue |= etr_sync_check();
@@ -336,21 +336,21 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
if (mcck->etr_queue || mcck->stp_queue)
set_cpu_flag(CIF_MCCK_PENDING);
}
- if (mci->se)
+ if (mci.se)
/* Storage error uncorrected */
s390_handle_damage();
- if (mci->ke)
+ if (mci.ke)
/* Storage key-error uncorrected */
s390_handle_damage();
- if (mci->ds && mci->fa)
+ if (mci.ds && mci.fa)
/* Storage degradation */
s390_handle_damage();
- if (mci->cp) {
+ if (mci.cp) {
/* Channel report word pending */
mcck->channel_report = 1;
set_cpu_flag(CIF_MCCK_PENDING);
}
- if (mci->w) {
+ if (mci.w) {
/* Warning pending */
mcck->warning = 1;
set_cpu_flag(CIF_MCCK_PENDING);