The patch titled
mcheck mce_64: mce_read_sem to mutex
has been removed from the -mm tree. Its filename was
mcheck-mce_64-mce_read_sem-to-mutex.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: mcheck mce_64: mce_read_sem to mutex
From: Daniel Walker <dwalker@xxxxxxxxxx>
Converted to a mutex, and changed the name to mce_read_mutex.
Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/mcheck/mce_64.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN arch/x86/kernel/cpu/mcheck/mce_64.c~mcheck-mce_64-mce_read_sem-to-mutex arch/x86/kernel/cpu/mcheck/mce_64.c
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c~mcheck-mce_64-mce_read_sem-to-mutex
+++ a/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -564,7 +564,7 @@ static ssize_t mce_read(struct file *fil
loff_t *off)
{
unsigned long *cpu_tsc;
- static DECLARE_MUTEX(mce_read_sem);
+ static DEFINE_MUTEX(mce_read_mutex);
unsigned next;
char __user *buf = ubuf;
int i, err;
@@ -573,12 +573,12 @@ static ssize_t mce_read(struct file *fil
if (!cpu_tsc)
return -ENOMEM;
- down(&mce_read_sem);
+ mutex_lock(&mce_read_mutex);
next = rcu_dereference(mcelog.next);
/* Only supports full reads right now */
if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
- up(&mce_read_sem);
+ mutex_unlock(&mce_read_mutex);
kfree(cpu_tsc);
return -EINVAL;
}
@@ -621,7 +621,7 @@ static ssize_t mce_read(struct file *fil
memset(&mcelog.entry[i], 0, sizeof(struct mce));
}
}
- up(&mce_read_sem);
+ mutex_unlock(&mce_read_mutex);
kfree(cpu_tsc);
return err ? -EFAULT : buf - ubuf;
}
_
Patches currently in -mm which might be from dwalker@xxxxxxxxxx are
git-dvb.patch
usb-testing-driver-dont-free-a-locked-mutex.patch
git-x86.patch
drivers-char-tty_ioc-remove-pty_sem.patch
drivers-isdn-i4l-isdn_ttyc-remove-write_sem.patch
unix98-allocated_ptys_lock-semaphore-to-mutex.patch
docs-kernel-locking-convert-semaphore-references.patch
stopmachine-semaphore-to-mutex.patch
stopmachine-semaphore-to-mutex-fix.patch
amiga-serial-driver-port_write_mutex-fixup.patch
isapnp-driver-semaphore-to-mutex.patch
isapnp-driver-semaphore-to-mutex-fix.patch
isapnp-driver-semaphore-to-mutex-fix-fix.patch
profile-likely-unlikely-macros.patch
profile-likely-unlikely-macros-fix.patch
-
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