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sparc: mv sparc sysctls into their own file under arch/sparc/kernel

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Move sparc sysctls (reboot-cmd, stop-a, scons-poweroff and tsb-ratio)
into a new file (arch/sparc/kernel/setup.c). This file will be included
for both 32 and 64 bit sparc. Leave "tsb-ratio" under SPARC64 ifdef as
it was in kernel/sysctl.c. The sysctl table register is called with
arch_initcall placing it after its original place in proc_root_init.

This is part of a greater effort to move ctl tables into their
respective subsystems which will reduce the merge conflicts in
kernel/sysctl.c.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
This commit is contained in:
Joel Granados
2025-01-07 15:19:19 +01:00
parent 67049b53e0
commit bc4f328ff5
3 changed files with 47 additions and 35 deletions
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1
arch/sparc/kernel/Makefile
View File

@@ -35,6 +35,7 @@ obj-y += process.o
obj-y += signal_$(BITS).o obj-y += signal_$(BITS).o
obj-y += sigutil_$(BITS).o obj-y += sigutil_$(BITS).o
obj-$(CONFIG_SPARC32) += ioport.o obj-$(CONFIG_SPARC32) += ioport.o
obj-y += setup.o
obj-y += setup_$(BITS).o obj-y += setup_$(BITS).o
obj-y += idprom.o obj-y += idprom.o
obj-y += sys_sparc_$(BITS).o obj-y += sys_sparc_$(BITS).o

46
arch/sparc/kernel/setup.c Normal file
View File

@@ -0,0 +1,46 @@
// SPDX-License-Identifier: GPL-2.0
#include <asm/setup.h>
#include <linux/sysctl.h>
static const struct ctl_table sparc_sysctl_table[] = {
{
.procname = "reboot-cmd",
.data = reboot_command,
.maxlen = 256,
.mode = 0644,
.proc_handler = proc_dostring,
},
{
.procname = "stop-a",
.data = &stop_a_enabled,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "scons-poweroff",
.data = &scons_pwroff,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
#ifdef CONFIG_SPARC64
{
.procname = "tsb-ratio",
.data = &sysctl_tsb_ratio,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
};
static int __init init_sparc_sysctls(void)
{
register_sysctl_init("kernel", sparc_sysctl_table);
return 0;
}
arch_initcall(init_sparc_sysctls);

35
kernel/sysctl.c
View File

@@ -60,9 +60,6 @@
#include <asm/nmi.h> #include <asm/nmi.h>
#include <asm/io.h> #include <asm/io.h>
#endif #endif
#ifdef CONFIG_SPARC
#include <asm/setup.h>
#endif
#ifdef CONFIG_RT_MUTEXES #ifdef CONFIG_RT_MUTEXES
#include <linux/rtmutex.h> #include <linux/rtmutex.h>
#endif #endif
@@ -1601,38 +1598,6 @@ static const struct ctl_table kern_table[] = {
.extra2 = SYSCTL_ONE, .extra2 = SYSCTL_ONE,
}, },
#endif #endif
#ifdef CONFIG_SPARC
{
.procname = "reboot-cmd",
.data = reboot_command,
.maxlen = 256,
.mode = 0644,
.proc_handler = proc_dostring,
},
{
.procname = "stop-a",
.data = &stop_a_enabled,
.maxlen = sizeof (int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "scons-poweroff",
.data = &scons_pwroff,
.maxlen = sizeof (int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
#ifdef CONFIG_SPARC64
{
.procname = "tsb-ratio",
.data = &sysctl_tsb_ratio,
.maxlen = sizeof (int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
#ifdef CONFIG_PARISC #ifdef CONFIG_PARISC
{ {
.procname = "soft-power", .procname = "soft-power",