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s390: remove obsolete ieee_emulation_warnings

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s390 math emulation was removed with commit 5a79859ae0 ("s390:
remove 31 bit support"), rendering ieee_emulation_warnings useless.
The code still built because it was protected by CONFIG_MATHEMU, which
was no longer selectable.

This patch removes the sysctl_ieee_emulation_warnings declaration and
the sysctl entry declaration.

Link: https://lkml.kernel.org/r/20200214172628.3598516-1-steve@sk2.org
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Stephen Kitt 2020-02-14 18:26:28 +01:00 committed by Vasily Gorbik
parent 94e90f727f
commit 140588bfed
2 changed files with 0 additions and 10 deletions
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1
arch/s390/include/asm/processor.h
View File

@ -84,7 +84,6 @@ void s390_update_cpu_mhz(void);
void cpu_detect_mhz_feature(void);
extern const struct seq_operations cpuinfo_op;
extern int sysctl_ieee_emulation_warnings;
extern void execve_tail(void);
extern void __bpon(void);

9
kernel/sysctl.c
View File

@ -805,15 +805,6 @@ static struct ctl_table kern_table[] = {
.extra2 = &maxolduid,
},
#ifdef CONFIG_S390
#ifdef CONFIG_MATHEMU
{
.procname = "ieee_emulation_warnings",
.data = &sysctl_ieee_emulation_warnings,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
{
.procname = "userprocess_debug",
.data = &show_unhandled_signals,