- 18 Oct, 2004 40 commits
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Vladimir Grouzdev authored
The xtime value may become incorrect when the update_wall_time(ticks) function is called with "ticks" > 1. In such a case, the xtime variable is updated multiple times inside the loop but it is normalized only once outside of the loop. This bug was reported at: http://bugme.osdl.org/show_bug.cgi?id=3403Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jeff Mahoney authored
This patch fixes several missing reiserfs_write_unlock() calls on error paths not introduced by reiserfs-io-error-handling.diff Signed-off-by:
Jeff Mahoney <jeffm@novell.com> Signed-off-by:
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Jeff Mahoney authored
This patch allows ReiserFS to handle I/O errors in the journal (or journal flush) where it would have previously panicked. The new behavior is to mark the filesystem read-only, disallow new transactions to be started, and to allow existing transactions to complete (though not to commit). The resultant filesystem can be safely umounted, and checked via normal mechanisms. As it is a journaling filesystem, the filesystem itself will be in a similar state to the power being cut to the machine, once umounted. Signed-off-by:
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Jeff Mahoney authored
This patch cleans up fs/reiserfs/journal.c such that repeated uses of SB_JOURNAL(p_s_sb) are removed in favor of a local journal variable. The compiler won't care, and it makes the code much easier to read. Signed-off-by:
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Jeff Mahoney authored
This patch cleans up ReiserFS's use of buffer head flags. All direct access of BH_* are made into macro calls, and all reiserfs-specific BH_* macro implementations have been removed and replaced with the BUFFER_FNS implementations found in linux/buffer_head.h Signed-off-by:
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Gerald Schaefer authored
Add support to read z/VM monitor records. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Eric Rossman authored
crypto driver changes: - Add support for zero-pad and crypto express II (CEX2C). Signed-off-by:
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Stefan Weinhuber authored
Add an interface to read from the z/VM recording system services. Signed-off-by:
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Arnd Bergmann authored
Add support for z/VM watchdog timer. Signed-off-by:
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Martin Schwidefsky authored
From: Frank Pavlic <pavlic@de.ibm.com> From: Thomas Spatzier <tspat@de.ibm.com> qeth network driver changes: - Add Layer 2 support for OSA-Express. Signed-off-by:
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Andreas Herrmann authored
zfcp host adapter change: - Return -EIO if wait_event_interruptible_timeout was interrupted. - Reduce stack uage of zfcp_cfdc_dev_ioctl. - Make zfcp_sg_list_[alloc,free] more consistent. - Store driver version to zfcp_data structure. - Add missing FSF states and make corresponding log messages consistent. - Always wait for completion in zfcp_scsi_command_sync. - Add Andreas to authors list. - Add timeout for cfdc upload/download. - Add support for temporary units (units not registered to the scsi stack). - Allow sending of ELS commands to ports by their d_id. - Increase port refcount while link test is running. Signed-off-by:
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Paolo \'Blaisorblade\' Giarrusso authored
Since people are used to doing "make linux ARCH=um" and to use "linux" as the kernel image, make it be an hard link to vmlinux. This should hurt the less possible the users (actually nothing) while not slowing down the build. Acked-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@yahoo.it> Signed-off-by:
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Hirokazu Takata authored
Here is a patch to fix a compile error of m32r-sio.c. * include/asm-m32r/termbits.h: - Add CTVB definition. This modification is derived from new-serial-flow-control.patch; "[Patch] new serial flow control" (Oct. 4, 2004) http://www.uwsg.iu.edu/hypermail/linux/kernel/0410.0/0853.htmlSigned-off-by:
Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Hirokazu Takata authored
Here is a patch to update arch/m32r/mm/fault.c in order to fix a compile error of -mm kernel for m32r. * arch/m32r/mm/fault.c: - Add the third parameter of expand_stack(). This modification is derived from enforce-a-gap-between-heap-and-stack.patch; "heap-stack-gap for 2.6" (Sep. 25, 2004) http://www.uwsg.iu.edu/hypermail/linux/kernel/0409.3/0435.htmlSigned-off-by:
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Hirokazu Takata authored
This patch fixes a sys_tas system call for m32r. - This patch fixes an Oops at sys_tas() in case CONFIG_SMP && CONFIG_PREEMPT. > Unable to handle kernel paging request at virtual address XXXXXXXX It is because a page fault happens at the spin_locked region in sys_tas() and in_atomic() checks preempt_count, but spin_lock() already counts up the preemt_count. arch/m32r/kernel/sys_m32r.c: 32 /* 33 * sys_tas() - test-and-set 34 * linuxthreads testing version 35 */ 36 #ifndef CONFIG_SMP 37 asmlinkage int sys_tas(int *addr) 38 { 39 int oldval; 40 unsigned long flags; 41 42 if (!access_ok(VERIFY_WRITE, addr, sizeof (int))) 43 return -EFAULT; 44 local_irq_save(flags); 45 oldval = *addr; 46 *addr = 1; 47 local_irq_restore(flags); 48 return oldval; 49 } 50 #else /* CONFIG_SMP */ 51 #include <linux/spinlock.h> 52 53 static spinlock_t tas_lock = SPIN_LOCK_UNLOCKED; 54 55 asmlinkage int sys_tas(int *addr) 56 { 57 int oldval; 58 59 if (!access_ok(VERIFY_WRITE, addr, sizeof (int))) 60 return -EFAULT; 61 62 spin_lock(&tas_lock); 63 oldval = *addr; /* <<< ATTENTION >>> * A page fault may happen here, because "addr" points an * user-space area. */ 64 *addr = 1; 65 spin_unlock(&tas_lock); 66 67 return oldval; 68 } 69 #endif /* CONFIG_SMP */ arch/mm/fault.c: 137 /* 138 * If we're in an interrupt or have no user context or are runni ng in an 139 * atomic region then we must not take the fault.. 140 */ 141 if (in_atomic() || !mm) 142 goto bad_area_nosemaphore; - sys_tas() is used for user-level mutual exclusion for the m32r, which is prepared to implement a linuxthreads library. The above problem may be happened in a program, which uses pthread_mutex_lock(), calls sys_tas(). The current m32r instruction set has no user-level locking functions for mutual exclusion. # I hope it will be fixed in the future... - This patch fixes the problem by using _raw_spin_lock() instead of spin_lock(). spin_lock() increments up preemt_count, on the contrary, _raw_sping_lock() does not. # I think this fix is just a temporary work around, and # it is preferable to be rewrite to make it simpler by using # asm() function or something... * arch/m32r/kernel/sys_m32r.c: - Fix sys_tas() for CONFIG_SMP && CONFIG_PREEMPT. Signed-off-by:Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by:
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Hirokazu Takata authored
Here is a patch to support the M32R SIO (serial IO) driver. This driver supports the M32R serial ports. - Supports two types M32R serial interfaces; M32R_SIO and M32R_PLDSIO. - With SMP safeness. Currently the M32R_PLDSIO serial interface, which is implemented on a PLD on the M3T-M32700UT evaluation board, has slightly different specification from the integrated peripheral SIO (M32R_SIO). Now we can select them by CONFIG_ option. It is a serial-core based driver, based on drivers/serial/8250.c. Any comments or suggestions will be appreciated. Signed-off-by:
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Hirokazu Takata authored
Here is a patch for the Renesas AR camera driver for m32r. - AR (artificial retina) camera is newly supported. AR camera module: Renesas M64278E-800, VGA(640x480 pixcels) http://www.renesas.com/avs/resource/japan/jpn/pdf/assp/rjj01f0005_psmobile.pdfSigned-off-by: -
Hirokazu Takata authored
Here is a patch to update include/asm-m32r/m32102.h. * include/asm-m32r/m32102.h: - Add macro definitions for DMA controller. - Cosmetics; rearrange indentations. Signed-off-by: -
Hirokazu Takata authored
This patch is for the new M32R CF/PCMCIA drivers. It is moved from arch/m32r/drivers/ and some part are updated for 2.6 kernel. Signed-off-by:
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Hirokazu Takata authored
This is a DS1302 real-time clock driver. It is moved from arch/m32r/drivers/, has been originally taken from arch/cris/arch-v10/drivers/ds1302.c. Currently, this driver supports only m32r target boards. Maybe some work will be required to support other target. Signed-off-by:
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Guido Guenther authored
Allow swsusp work with macintosh's own thermal sensor drivers enabled. Contributions from Nathan Hand <nathanh@manu.com.au> Signed-Of-By:
Guido Guenther <agx@sigcpu.org> Signed-off-by:
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Venkatesh Pallipadi authored
This patch is required for S3 suspend-resume on noexec capable systems. On these systems, we need to save and restore MSR_EFER during S3 suspend-resume. Signed-off-by:
"Venkatesh Pallipadi" <venkatesh.pallipadi@intel.com> Signed-off-by:
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Oliver Neukum authored
This is additional documentation for power management. Pavel Machek has given his acknowledgement. Signed-Off-By:
Oliver Neukum <oliver@neukum.name> Signed-off-by:
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Pavel Machek authored
Documentation update. Signed-off-by:
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Pavel Machek authored
apm.c needs save_processor_state and friends. Add a comment to keep people from removing it. Describe a way to make swsusp work on non-PSE machines. Document purpose of acpi_restore_state. Signed-off-by:
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Pavel Machek authored
Currently, process start times change after swsusp (because they are derived from jiffies and current time, oops). This should fix it. Signed-off-by:
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Randy Dunlap authored
Code section errors in i386/io_apic.c found by scripts/reference_init.pl. Looks like they could cause problems for a few drivers or in a real hotplug environment. Error: ./arch/i386/kernel/io_apic.o .text refers to 000018ff R_386_PC32 .init.text call chain: snd_mpu401_acpi_resource acpi_register_gsi mp_register_gsi io_apic_set_pci_routing {A} ioapic_register_intr IO_APIC_irq_trigger find_irq_entry Error: ./arch/i386/kernel/io_apic.o .text refers to 00001967 R_386_PC32 .init.text (as above thru {A}, then:) IO_APIC_irq_trigger irq_trigger MPBIOS_trigger >> removing __init from this led to needing to remove __init from EISA_ELCR also. Signed-off-by:Randy Dunlap <rddunlap@osdl.org> Signed-off-by:
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Ingo Molnar authored
Fix interaction between nosmp and pcibios_fixup_irqs(). When we boot with nosmp we dont have all the mptable info, so IO_APIC_get_PCI_irq_vector() doesnt work and devices just end up getting a wrong interrupt. From: Oleg Nesterov <oleg@tv-sign.ru> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Suresh B. Siddha authored
As part of the workaround for the "Interrupt message re-ordering across hub interface" errata (page #16 in http://developer.intel.com/design/chipsets/specupdt/30288402.pdf), BIOS may enable hardware IRQ balancing for E7520/E7320/E7525(revision ID 0x9 and below) based platforms. Add pci quirks to disable SW irqbalance/affinity on those platforms. Move balanced_irq_init() to late_initcall so that kirqd will be started after pci quirks. Signed-off-by:
Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by:
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Oleg Nesterov authored
- valid_stack_ptr() erroneously assumes that stack always lives in task_struct->thread_info. - the main loop in show_trace() does not recalc ebp after stack switching. With CONFIG_FRAME_POINTER every call to print_context_stack() will produce the same output. With this patch, show_trace() does not use task argument in the main loop. Instead, it converts stack to thread_info* context, and passes it to print_context_stack() and (implicitly) to valid_stack_ptr(). valid_stack_ptr() now does bounds checking against proper context. Signed-off-by:
Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:
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Suresh B. Siddha authored
Some cache descriptors are missing from x86_64 table. So instead of copying from i386 code, here is a patch to share the table between i386 and x86_64. Signed-off-by:
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Tom Rini authored
The following fixes EMBEDDED_RAMDISK to work with O=. The problem was that we couldn't find the linker script, since we needed to specify the patch to the source tree for it. I've tested this with the ramdisk set to both 'ramdisk.gz' and '../ramdisk.gz'. Signed-off-by:
Tom Rini <trini@kernel.crashing.org> Signed-off-by:
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Paul Mundt authored
This includes some ST40 updates from the ST tree. The most notable change is the ST40GX1 fixes for INTC2-based interrupts. Signed-off-by:
Alex Bennee <kernel-hacker@bennee.com> Signed-off-by:
Paul Mundt <paul.mundt@nokia.com> Signed-off-by:
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Paul Mundt authored
sh-sci updates all around the board. Support for the newly added subtypes, some compilation cleanups, etc. Signed-off-by:
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Paul Mundt authored
This adds support for the CTP/PCI-SH03 board from Interface. Signed-off-by:
Saito.K <ksaito@interface.co.jp> Signed-off-by:
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Paul Mundt authored
This adds support for the SH73180 Solution Engine. Signed-off-by:
Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp> Signed-off-by:
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Paul Mundt authored
Previously we could do subtype parsing and cache configuration in the same location.. but with the introduction of things like the SH7705 where we use SH-3 style probing with SH-4 style caches, this is no longer the case. As such, we move the probe code to a saner place. Signed-off-by:
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Paul Mundt authored
The SH7750 and SH7750S have hardware performance counters, this adds an oprofile driver for those. Signed-off-by:
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Paul Mundt authored
This updates some of the PCI drivers. SH7751, the sh03 board-specific PCI code, and some ST40 PCI updates are grouped in this. Signed-off-by:
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Paul Mundt authored
This adds other random bits of sh cleanup. This includes Kconfig updates, some exported symbols to satisfy module builds, cleanup of some whitespace damage, some compile fixes, and some general header and mach-type cleanup. Signed-off-by:
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