Subject: [merged] sys_sysfs-add-config_sysfs_syscall.patch removed from -mm tree
To: fabf@xxxxxxxxx,rdunlap@xxxxxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 04 Apr 2014 12:32:20 -0700
The patch titled
Subject: sys_sysfs: Add CONFIG_SYSFS_SYSCALL
has been removed from the -mm tree. Its filename was
sys_sysfs-add-config_sysfs_syscall.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Fabian Frederick <fabf@xxxxxxxxx>
Subject: sys_sysfs: Add CONFIG_SYSFS_SYSCALL
sys_sysfs is an obsolete system call no longer supported by libc.
- This patch adds a default CONFIG_SYSFS_SYSCALL=y
- Option can be turned off in expert mode.
- cond_syscall added to kernel/sys_ni.c
[akpm@xxxxxxxxxxxxxxxxxxxx: tweak Kconfig help text]
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/filesystems.c | 2 ++
init/Kconfig | 10 ++++++++++
kernel/sys_ni.c | 1 +
3 files changed, 13 insertions(+)
diff -puN fs/filesystems.c~sys_sysfs-add-config_sysfs_syscall fs/filesystems.c
--- a/fs/filesystems.c~sys_sysfs-add-config_sysfs_syscall
+++ a/fs/filesystems.c
@@ -121,6 +121,7 @@ int unregister_filesystem(struct file_sy
EXPORT_SYMBOL(unregister_filesystem);
+#ifdef CONFIG_SYSFS_SYSCALL
static int fs_index(const char __user * __name)
{
struct file_system_type * tmp;
@@ -199,6 +200,7 @@ SYSCALL_DEFINE3(sysfs, int, option, unsi
}
return retval;
}
+#endif
int __init get_filesystem_list(char *buf)
{
diff -puN init/Kconfig~sys_sysfs-add-config_sysfs_syscall init/Kconfig
--- a/init/Kconfig~sys_sysfs-add-config_sysfs_syscall
+++ a/init/Kconfig
@@ -1290,6 +1290,16 @@ config UID16
help
This enables the legacy 16-bit UID syscall wrappers.
+config SYSFS_SYSCALL
+ bool "Sysfs syscall support" if EXPERT
+ default y
+ ---help---
+ sys_sysfs is an obsolete system call no longer supported in libc.
+ Note that disabling this option is more secure but might break
+ compatibility with some systems.
+
+ If unsure say Y here.
+
config SYSCTL_SYSCALL
bool "Sysctl syscall support" if EXPERT
depends on PROC_SYSCTL
diff -puN kernel/sys_ni.c~sys_sysfs-add-config_sysfs_syscall kernel/sys_ni.c
--- a/kernel/sys_ni.c~sys_sysfs-add-config_sysfs_syscall
+++ a/kernel/sys_ni.c
@@ -146,6 +146,7 @@ cond_syscall(sys_io_destroy);
cond_syscall(sys_io_submit);
cond_syscall(sys_io_cancel);
cond_syscall(sys_io_getevents);
+cond_syscall(sys_sysfs);
cond_syscall(sys_syslog);
cond_syscall(sys_process_vm_readv);
cond_syscall(sys_process_vm_writev);
_
Patches currently in -mm which might be from fabf@xxxxxxxxx are
origin.patch
ntfs-logging-clean-up.patch
mm-memblockc-use-pfn_phys.patch
mm-readaheadc-inline-ra_submit.patch
fs-adfs-superc-add-__init-to-init_inodecache.patch
affs-add-__init-to-init_inodecache.patch
fs-affs-dirc-unlock-brelse-dir-on-failure-code-clean-up.patch
affs-mount-option-to-avoid-filename-truncates.patch
fs-bfs-inodec-add-__init-to-init_inodecache.patch
kernel-panicc-display-reason-at-end-pr_emerg.patch
kernel-panicc-display-reason-at-end-pr_emerg-fix.patch
linux-next.patch
fs-ufs-superc-add-__init-to-init_inodecache.patch
ufs-sb-mutex-merge-mutex_destroy.patch
ufs-sb-mutex-merge-mutex_destroy-fix.patch
ufs-sb-mutex-merge-mutex_destroy-fix-v2.patch
ufs-sb-mutex-merge-mutex_destroy-fix-v2-fix.patch
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