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s390: Convert IS_ENABLED uses to __is_defined

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IS_ENABLED should be reserved for CONFIG_<FOO> uses so convert
the uses of IS_ENABLED with a #define to __is_defined.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Joe Perches
2019-04-09 09:33:12 -07:00
committed by Martin Schwidefsky
parent 9a0ceb9cfb
commit 475c8e9e89
3 changed files with 7 additions and 7 deletions
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6
arch/s390/kernel/nospec-branch.c
View File

@@ -37,7 +37,7 @@ static int __init nospec_report(void)
{
if (test_facility(156))
pr_info("Spectre V2 mitigation: etokens\n");
if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable)
if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable)
pr_info("Spectre V2 mitigation: execute trampolines\n");
if (__test_facility(82, S390_lowcore.alt_stfle_fac_list))
pr_info("Spectre V2 mitigation: limited branch prediction\n");
@@ -63,10 +63,10 @@ void __init nospec_auto_detect(void)
* The machine supports etokens.
* Disable expolines and disable nobp.
*/
if (IS_ENABLED(CC_USING_EXPOLINE))
if (__is_defined(CC_USING_EXPOLINE))
nospec_disable = 1;
__clear_facility(82, S390_lowcore.alt_stfle_fac_list);
} else if (IS_ENABLED(CC_USING_EXPOLINE)) {
} else if (__is_defined(CC_USING_EXPOLINE)) {
/*
* The kernel has been compiled with expolines.
* Keep expolines enabled and disable nobp.

2
arch/s390/kernel/nospec-sysfs.c
View File

@@ -15,7 +15,7 @@ ssize_t cpu_show_spectre_v2(struct device *dev,
{
if (test_facility(156))
return sprintf(buf, "Mitigation: etokens\n");
if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable)
if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable)
return sprintf(buf, "Mitigation: execute trampolines\n");
if (__test_facility(82, S390_lowcore.alt_stfle_fac_list))
return sprintf(buf, "Mitigation: limited branch prediction\n");