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s390/nmi: fix terminology

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According to the architecture registers are validated and not
revalidated. So change comments and functions names to match.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2015-10-12 13:03:05 +02:00 committed by Martin Schwidefsky
parent dc6e15556a
commit 975be635d9
1 changed files with 9 additions and 9 deletions
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18
arch/s390/kernel/nmi.c
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@ -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(union mci mci)
static int notrace s390_validate_registers(union mci mci)
{
int kill_task;
u64 zero;
@ -137,7 +137,7 @@ static int notrace s390_revalidate_registers(union mci mci)
asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area));
if (!MACHINE_HAS_VX) {
/* Revalidate floating point registers */
/* Validate floating point registers */
asm volatile(
" ld 0,0(%0)\n"
" ld 1,8(%0)\n"
@ -157,7 +157,7 @@ static int notrace s390_revalidate_registers(union mci mci)
" ld 15,120(%0)\n"
: : "a" (fpt_save_area));
} else {
/* Revalidate vector registers */
/* Validate vector registers */
union ctlreg0 cr0;
if (!mci.vr) {
@ -178,7 +178,7 @@ static int notrace s390_revalidate_registers(union mci mci)
&S390_lowcore.vector_save_area) : "1");
__ctl_load(S390_lowcore.cregs_save_area[0], 0, 0);
}
/* Revalidate access registers */
/* Validate access registers */
asm volatile(
" lam 0,15,0(%0)"
: : "a" (&S390_lowcore.access_regs_save_area));
@ -189,7 +189,7 @@ static int notrace s390_revalidate_registers(union mci mci)
*/
kill_task = 1;
}
/* Revalidate control registers */
/* Validate control registers */
if (!mci.cr) {
/*
* Control registers have unknown contents.
@ -202,11 +202,11 @@ static int notrace s390_revalidate_registers(union mci mci)
: : "a" (&S390_lowcore.cregs_save_area));
}
/*
* We don't even try to revalidate the TOD register, since we simply
* We don't even try to validate the TOD register, since we simply
* can't write something sensible into that register.
*/
/*
* See if we can revalidate the TOD programmable register with its
* See if we can validate the TOD programmable register with its
* old contents (should be zero) otherwise set it to zero.
*/
if (!mci.pr)
@ -220,7 +220,7 @@ static int notrace s390_revalidate_registers(union mci mci)
" sckpf"
: : "a" (&S390_lowcore.tod_progreg_save_area)
: "0", "cc");
/* Revalidate clock comparator register */
/* Validate clock comparator register */
set_clock_comparator(S390_lowcore.clock_comparator);
/* Check if old PSW is valid */
if (!mci.wp)
@ -302,7 +302,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
s390_handle_damage();
}
}
if (s390_revalidate_registers(mci)) {
if (s390_validate_registers(mci)) {
if (umode) {
/*
* Couldn't restore all register contents while in