commits November 2009

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit a7602f6c16b2de2962b279980693ad1b3711e84a Author: Stefan Haberland <stefan.haberland(a)de.ibm.com> Date: Wed Oct 14 12:43:46 2009 +0200 [S390] dasd: fix locking bug Replace spin_lock with spin_lock_irqsave in dasd_eckd_restore_device. Signed-off-by: Stefan Haberland <stefan.haberland(a)de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky(a)de.ibm.com> diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 0be7c15..417b97c 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -3216,6 +3216,7 @@ int dasd_eckd_restore_device(struct dasd_device *device) struct dasd_eckd_characteristics temp_rdc_data; int is_known, rc; struct dasd_uid temp_uid; + unsigned long flags; private = (struct dasd_eckd_private *) device->private; @@ -3228,7 +3229,8 @@ int dasd_eckd_restore_device(struct dasd_device *device) rc = dasd_eckd_generate_uid(device, &private->uid); dasd_get_uid(device->cdev, &temp_uid); if (memcmp(&private->uid, &temp_uid, sizeof(struct dasd_uid)) != 0) - dev_err(&device->cdev->dev, "The UID of the DASD has changed\n"); + dev_err(&device->cdev->dev, "The UID of the DASD has " + "changed\n"); if (rc) goto out_err; dasd_set_uid(device->cdev, &private->uid); @@ -3256,9 +3258,9 @@ int dasd_eckd_restore_device(struct dasd_device *device) "device: %s", rc, dev_name(&device->cdev->dev)); goto out_err; } - spin_lock(get_ccwdev_lock(device->cdev)); + spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags); memcpy(&private->rdc_data, &temp_rdc_data, sizeof(temp_rdc_data)); - spin_unlock(get_ccwdev_lock(device->cdev)); + spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags); /* add device to alias management */ dasd_alias_add_device(device); -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 03cadd36d51c737d7ad6aa21e2524296be6fe57f Author: Michael Holzheu <holzheu(a)linux.vnet.ibm.com> Date: Wed Oct 14 12:43:45 2009 +0200 [S390] tape390: Fix request queue handling in block driver When setting a channel attached tape online under Linux 2.6.31, the "vol_id" process from udev hangs in sync_page(): 2 sync_page+144 [0x1dfaac] 3 __wait_on_bit_lock+194 [0x58c23e] 4 __lock_page+116 [0x1df9dc] 5 truncate_inode_pages_range+728 [0x1ed7cc] 6 __blkdev_put+244 [0x25f738] 7 __fput+300 [0x229c4c] 8 filp_close+122 [0x225a3a] The reason for that is an error in the request queue handling. It can happen that we fetch a request, but do not process it further because the number of queued requests exceeds TAPEBLOCK_MIN_REQUEUE. To fix this, we should call blk_peek_request() instead of blk_fetch_request() in the while condition and fetch the request in the loop body afterwards. This bug was introduced with the patch "block: implement and enforce request peek/start/fetch" (9934c8c04561413609d2bc38c6b9f268cba774a4) Signed-off-by: Michael Holzheu <holzheu(a)linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky(a)de.ibm.com> diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 64f57ef..0c0705b 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -162,9 +162,10 @@ tapeblock_requeue(struct work_struct *work) { spin_lock_irq(&device->blk_data.request_queue_lock); while ( !blk_queue_plugged(queue) && - (req = blk_fetch_request(queue)) && + blk_peek_request(queue) && nr_queued < TAPEBLOCK_MIN_REQUEUE ) { + req = blk_fetch_request(queue); if (rq_data_dir(req) == WRITE) { DBF_EVENT(1, "TBLOCK: Rejecting write request\n"); spin_unlock_irq(&device->blk_data.request_queue_lock); -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 7874b1b66a53c4d9c8dcb37884cbb758aa2d712c Author: Michael Holzheu <holzheu(a)linux.vnet.ibm.com> Date: Wed Oct 14 12:43:44 2009 +0200 [S390] hypfs: Use subcode 6 if subcode 7 is not available Hypfs never worked on systems that only provide D204 subcode 6. In these cases we nevertheless used subcode 7. With this fix, we use subcode 6, if it is available and the system does not provide subcode 7. Signed-off-by: Michael Holzheu <holzheu(a)linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky(a)de.ibm.com> diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 704dd39..77df726 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -438,7 +438,7 @@ static int diag204_probe(void) } if (diag204((unsigned long)SUBC_STIB6 | (unsigned long)INFO_EXT, pages, buf) >= 0) { - diag204_store_sc = SUBC_STIB7; + diag204_store_sc = SUBC_STIB6; diag204_info_type = INFO_EXT; goto out; } -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 03717e3d12b625268848414e39beda25e4515692 Author: Thomas Gleixner <tglx(a)linutronix.de> Date: Wed Oct 14 01:18:26 2009 -0700 watchdog: Fix rio watchdog probe function After sucessfully registering the misc device the driver iounmaps the hardware registers and kfree's the device data structure. Ouch ! This was introduced with commit e42311d75 (riowatchdog: Convert to pure OF driver) and went unnoticed for more than a year :) Return success instead of dropping into the error cleanup code path. Signed-off-by: Thomas Gleixner <tglx(a)linutronix.de> Signed-off-by: David S. Miller <davem(a)davemloft.net> diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c index 1e8f02f..d3c824d 100644 --- a/drivers/watchdog/riowd.c +++ b/drivers/watchdog/riowd.c @@ -206,7 +206,7 @@ static int __devinit riowd_probe(struct of_device *op, dev_set_drvdata(&op->dev, p); riowd_device = p; - err = 0; + return 0; out_iounmap: of_iounmap(&op->resource[0], p->regs, 2); -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 457b646189e47f9d48588809da3e806ec363f219 Author: Paul Mundt <lethal(a)linux-sh.org> Date: Wed Oct 14 15:50:28 2009 +0900 sh: Fix a TRACE_IRQS_OFF typo. The resume_userspace path had TRACE_IRQS_OFF written incorrectly and so never handled the transition properly. This was fixed once before but seems to have made it back in the tree. Fix it for good. Signed-off-by: Paul Mundt <lethal(a)linux-sh.org> diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index 68d9223..3eb8493 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -121,7 +121,7 @@ noresched: ENTRY(resume_userspace) ! r8: current_thread_info cli - TRACE_IRQS_OfF + TRACE_IRQS_OFF mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags tst #(_TIF_WORK_MASK & 0xff), r0 bt/s __restore_all -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 4d2947f7c69f812f09ff0e5cdc98dfa5317a4d81 Author: Paul Mundt <lethal(a)linux-sh.org> Date: Wed Oct 14 14:21:40 2009 +0900 sh: Optimize the setup_rt_frame() I-cache flush. This only needs to flush the return code via the legacy path, and just invalidates uselessly otherwise. This makes the behaviour consistent for all of the trampoline setup paths. Signed-off-by: Paul Mundt <lethal(a)linux-sh.org> diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 55d1f81..3db3742 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -472,6 +472,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(OR_R0_R0, &frame->retcode[6]); err |= __put_user((__NR_rt_sigreturn), &frame->retcode[7]); regs->pr = (unsigned long) frame->retcode; + flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); } if (err) @@ -497,8 +498,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n", current->comm, task_pid_nr(current), frame, regs->pc, regs->pr); - flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); - return 0; give_sigsegv: -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit a66c2edea56c291a6f6a52f07496ebb97c0880e8 Author: Paul Mundt <lethal(a)linux-sh.org> Date: Wed Oct 14 14:14:30 2009 +0900 sh: Populate initial secondary CPU info from boot_cpu_data. The secondary CPU info was seeing corrupted results due to not entering all of the setup paths taken by the boot CPU. So we just memcpy() the boot cpu data over directly, and then fix up the per-CPU bits. Signed-off-by: Paul Mundt <lethal(a)linux-sh.org> diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 442d8d4..160db10 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -35,6 +35,8 @@ static inline void __init smp_store_cpu_info(unsigned int cpu) { struct sh_cpuinfo *c = cpu_data + cpu; + memcpy(c, &boot_cpu_data, sizeof(struct sh_cpuinfo)); + c->loops_per_jiffy = loops_per_jiffy; } -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 2908df9e2ce85e4de19ba81ac619acdf93a8bfaa Author: Paul Mundt <lethal(a)linux-sh.org> Date: Wed Oct 14 14:13:41 2009 +0900 sh: Tidy up SMP cpuinfo. Trivial change for cleaning up the cpuinfo pretty printing on SMP, adds a newline between CPUs. Signed-off-by: Paul Mundt <lethal(a)linux-sh.org> diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index f9d44f8..99b4fb5 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -549,6 +549,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (cpu == 0) seq_printf(m, "machine\t\t: %s\n", get_system_type()); + else + seq_printf(m, "\n"); seq_printf(m, "processor\t: %d\n", cpu); seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit eaa47704d950d7f85b41a314a00529fb2615c10e Author: Paul Mundt <lethal(a)linux-sh.org> Date: Wed Oct 14 14:12:41 2009 +0900 sh: Use boot_cpu_data for FPU tests in sigcontext paths. We do not want to use smp_processor_id() from these paths, as they trip preempt BUGs. Switch the test over to the boot cpu directly. Signed-off-by: Paul Mundt <lethal(a)linux-sh.org> diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 6729703..55d1f81 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc) { struct task_struct *tsk = current; - if (!(current_cpu_data.flags & CPU_HAS_FPU)) + if (!(boot_cpu_data.flags & CPU_HAS_FPU)) return 0; set_used_math(); @@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc, { struct task_struct *tsk = current; - if (!(current_cpu_data.flags & CPU_HAS_FPU)) + if (!(boot_cpu_data.flags & CPU_HAS_FPU)) return 0; if (!used_math()) { @@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p #undef COPY #ifdef CONFIG_SH_FPU - if (current_cpu_data.flags & CPU_HAS_FPU) { + if (boot_cpu_data.flags & CPU_HAS_FPU) { int owned_fp; struct task_struct *tsk = current; -- batman-adv

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[git] batman-adv branch, linux, updated. 5ff6d9f73e1a8751740bc537732d05a99dfbc01b
by postmaster＠open-mesh.net 09 Nov '09

09 Nov '09

The following commit has been merged in the linux branch: commit 0f6023d5997bf1b5eeae39de42a7e1e26dbe6a90 Author: Heiko Schocher <hs(a)denx.de> Date: Thu Sep 24 02:45:14 2009 +0000 powerpc/pci: Fix MODPOST warning making a powerpc target with PCI support, shows the following warning: MODPOST vmlinux.o WARNING: vmlinux.o(.text+0x10430): Section mismatch in reference from the function pcibios_allocate_bus_resources() to the function .init.text:reparent_resources() The function pcibios_allocate_bus_resources() references the function __init reparent_resources(). This is often because pcibios_allocate_bus_resources lacks a __init annotation or the annotation of reparent_resources is wrong. This patch fix this warning by removing the __init annotation before reparent_resources. Signed-off-by: Heiko Schocher <hs(a)denx.de> Signed-off-by: Benjamin Herrenschmidt <benh(a)kernel.crashing.org> diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index bb8209e..e8dfdbd 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1190,7 +1190,7 @@ EXPORT_SYMBOL(pcibios_align_resource); * Reparent resource children of pr that conflict with res * under res, and make res replace those children. */ -static int __init reparent_resources(struct resource *parent, +static int reparent_resources(struct resource *parent, struct resource *res) { struct resource *p, **pp; -- batman-adv

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commits November 2009