MIRRORS/linux-yocto
1
0
Fork 0
mirror of git://git.yoctoproject.org/linux-yocto.git synced 2025-10-22 23:13:01 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

s390/nospec: Switch over to sysfs_emit()

Browse Source 
Per Documentation/filesystems/sysfs.rst, sysfs_emit() is preferred over
sprintf for presenting attributes to user space. Convert the left-over
uses in the s390/nospec-sysfs code.

Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Mete Durlu 2024-10-23 14:10:58 +02:00 committed by Heiko Carstens
parent d151f8f788
commit c50262498d
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/s390/kernel/nospec-sysfs.c
View File

@ -7,17 +7,17 @@
ssize_t cpu_show_spectre_v1(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "Mitigation: __user pointer sanitization\n");
return sysfs_emit(buf, "Mitigation: __user pointer sanitization\n");
}
ssize_t cpu_show_spectre_v2(struct device *dev,
struct device_attribute *attr, char *buf)
{
if (test_facility(156))
return sprintf(buf, "Mitigation: etokens\n");
return sysfs_emit(buf, "Mitigation: etokens\n");
if (nospec_uses_trampoline())
return sprintf(buf, "Mitigation: execute trampolines\n");
return sysfs_emit(buf, "Mitigation: execute trampolines\n");
if (nobp_enabled())
return sprintf(buf, "Mitigation: limited branch prediction\n");
return sprintf(buf, "Vulnerable\n");
return sysfs_emit(buf, "Mitigation: limited branch prediction\n");
return sysfs_emit(buf, "Vulnerable\n");
}