- 27 Jun, 2006 17 commits
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Kyle McMartin authored
Check PDC_CACHE to see if spaceid hashing is turned on, and fail to boot if that is the case. However, some old machines do not implement the PDC_CACHE_RET_SPID firmware call, so continue to boot if the call fails because of PDC_BAD_OPTION (but fail in all other error returns). Signed-off-by:Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin authored
show_cache_info and struct pdc_cache_cf were out of sync with published documentation. Fix the reporting of cache associativity and update the pdc_cache_cf bitfields to match documentation. Signed-off-by: -
Kyle McMartin authored
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Kyle McMartin authored
... And convert signal.c and ptrace.c to use it instead of open coded equivalents. Signed-off-by: -
Thibaut Varene authored
Signed-off-by:
Thibaut VARENE <varenet@parisc-linux.org> Signed-off-by:
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Thibaut Varene authored
No code change - reduce data footprint. Signed-off-by:
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Thibaut Varene authored
pdc_stable v0.30: This patch introduces 3 more files to the /sys/firmware/stable tree: - diagnostic, which contains a cryptic hex string - osdep1, a 16 bytes os-dependent storage area always available - osdep2, another os-dependent storage area which existence/size depends on hversion. This patch also adds code to setup the "Linux" signature in stable storage. That is to say that starting with this patch, the kernel will now sign its OSID (0x0006, thx LaMont) in Stable Storage upon boot, whether pdc_stable is enabled or not. Signed-off-by:
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Thibaut Varene authored
pdc_chassis v0.05: Some machines seems not to implement Chassis warn support. Work around these. Also cleanup a bit of the code. Signed-off-by:
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Thibaut Varene authored
This patch removes a limitation of the original code, so that CHASSIS codes can be sent to all machines. On machines with a LCD panel, this code displays "INI" during bootup, "RUN" when the system is booted and running, "FLT" when a panic occurs, etc. This part of the code can be enabled/disabled through CONFIG_PDC_CHASSIS This patch also adds minimalistic support for Chassis warnings, through a proc entry '/proc/chassis', which will reflect the warnings status (PSU or fans failure when they happen, NVRAM battery level and temperature thresholds overflows). This part of the code can be enabled/disabled through CONFIG_PDC_CHASSIS_WARN Signed-off-by:
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Carlos O'Donell authored
Signed-off-by:
Carlos O'Donell <carlos@parisc-linux.org> Signed-off-by:
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Kyle McMartin authored
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Kyle McMartin authored
This code has been crufting up the file without any use for quite a long time, so let's kill it. Signed-off-by: -
Kyle McMartin authored
Some debugging code in sba_iommu.c should be testing ioc_needs_fdc, not directly testing boot_cpu_data. Signed-off-by: -
Grant Grundler authored
Clean up gcc 4.1 warnings noted by Joel Soete. Kyle McMartin gets kudos for pointing out the issues. Matthew Wilcox noticed sba_iommu was using open coded versions of (read|write)X. Signed-off-by:
Grant Grundler <grundler@parisc-linux.org> Signed-off-by:
Matthew Wilcox <willy@parisc-linux.org> Signed-off-by:
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Carlos O'Donell authored
Joel Soete noticed correctly that the fixup's clobbers must be listed as the ASM clobbers. FIXUP_BRANCH in unaligned.c has a new macro which lists all the clobbers in the fixup, we use this throughout the file to simplify the process of listing clobbers in the future. A missing "r1" clobber is added to our uaccess.h for the 64-bit __put_kernel_asm. Interestingly this is a pretty serious bug since gcc generates pretty good use of r1 as a temporary and the uses of __put_kernel_asm are varied and dangerous if r1 is scratched during an invalid write. Signed-off-by:
Joel Soete <soete.joel@tiscali.be> Signed-off-by:
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Kyle McMartin authored
Signed-off-by: -
Kyle McMartin authored
ldcw,co should always be used on pa2.0, otherwise the strict cache width alignment requirement is not relaxed. Signed-off-by:
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- 25 Jun, 2006 23 commits
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Linus Torvalds authored
Trond had apparently merged the same patch twice, causing a duplicate include of the "internal.h" file, with resulting obvious confusion. Tssk. I'm the only one allowed to send out trees that don't even compile! Who does this Trond guy think he is? Signed-off-by:Linus Torvalds <torvalds@osdl.org>
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Björn Steinbrink authored
Copy the softirq bits in preempt_count from the current context into the hardirq context when using 4K stacks to make the softirq_count macro work correctly and thereby fix softirq cpu time accounting. Signed-off-by:
Björn Steinbrink <B.Steinbrink@gmx.de> Acked-by:
Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
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git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds authored
* git://git.linux-nfs.org/pub/linux/nfs-2.6: (51 commits) nfs: remove nfs_put_link() nfs-build-fix-99 git-nfs-build-fixes Merge branch 'odirect' NFS: alloc nfs_read/write_data as direct I/O is scheduled NFS: Eliminate nfs_get_user_pages() NFS: refactor nfs_direct_free_user_pages NFS: remove user_addr, user_count, and pos from nfs_direct_req NFS: "open code" the NFS direct write rescheduler NFS: Separate functions for counting outstanding NFS direct I/Os NLM: Fix reclaim races NLM: sem to mutex conversion locks.c: add the fl_owner to nlm_compare_locks NFS: Display the chosen RPCSEC_GSS security flavour in /proc/mounts NFS: Split fs/nfs/inode.c NFS: Fix typo in nfs_do_clone_mount() NFS: Fix compile errors introduced by referrals patches NFSv4: Ensure that referral mounts bind to a reserved port NFSv4: A root pathname is sent as a zero component4 NFSv4: Follow a referral ...
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Linus Torvalds authored
* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (244 commits) V4L/DVB (4210b): git-dvb: tea575x-tuner build fix V4L/DVB (4210a): git-dvb versus matroxfb V4L/DVB (4209): Added some BTTV PCI IDs for newer boards Fixes some sync issues between V4L/DVB development and GIT V4L/DVB (4206): Cx88-blackbird: always set encoder height based on tvnorm->id V4L/DVB (4205): Merge tda9887 module into tuner. V4L/DVB (4203): Explicitly set the enum values. V4L/DVB (4202): allow selecting CX2341x port mode V4L/DVB (4200): Disable bitrate_mode when encoding mpeg-1. V4L/DVB (4199): Add cx2341x-specific control array to cx2341x.c V4L/DVB (4198): Avoid newer usages of obsoleted experimental MPEGCOMP API V4L/DVB (4197): Port new MPEG API to saa7134-empress with saa6752hs V4L/DVB (4196): Port cx88-blackbird to the new MPEG API. V4L/DVB (4193): Update cx2341x fw encoding API doc. V4L/DVB (4192): Use control helpers for saa7115, cx25840, msp3400. V4L/DVB (4191): Add CX2341X MPEG encoder module. V4L/DVB (4190): Add helper functions for control processing to v4l2-common. V4L/DVB (4189): Add videodev support for VIDIOC_S/G/TRY_EXT_CTRLS. V4L/DVB (4188): Add new MPEG control/ioctl definitions to videodev2.h V4L/DVB (4186): Add support for the DNTV Live! mini DVB-T card. ...
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Linus Torvalds authored
Not that x86-64 and other architecture support should be difficult to add (trivial fixups to the data format and add the proper linker script entry). Signed-off-by: -
Sonny Rao authored
I ran into a bug where the kernel died in the idr code: cpu 0x1d: Vector: 300 (Data Access) at [c000000b7096f710] pc: c0000000001f8984: .idr_get_new_above_int+0x140/0x330 lr: c0000000001f89b4: .idr_get_new_above_int+0x170/0x330 sp: c000000b7096f990 msr: 800000000000b032 dar: 0 dsisr: 40010000 current = 0xc000000b70d43830 paca = 0xc000000000556900 pid = 2022, comm = hwup 1d:mon> t [c000000b7096f990] c0000000000d2ad8 .expand_files+0x2e8/0x364 (unreliable) [c000000b7096faa0] c0000000001f8bf8 .idr_get_new_above+0x18/0x68 [c000000b7096fb20] c00000000002a054 .init_new_context+0x5c/0xf0 [c000000b7096fbc0] c000000000049dc8 .copy_process+0x91c/0x1404 [c000000b7096fcd0] c00000000004a988 .do_fork+0xd8/0x224 [c000000b7096fdc0] c00000000000ebdc .sys_clone+0x5c/0x74 [c000000b7096fe30] c000000000008950 .ppc_clone+0x8/0xc -
Jan Engelhardt authored
Update Documentation/devices.txt with a new version from the LANANA site http://www.lanana.org/docs/device-list/devices-2.6+.txtSigned-off-by:
Jan Engelhardt <jengelh@gmx.de> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Hua Zhong authored
likely profiling shows that the following is a miss. After boot: [+- ] Type | # True | # False | Function:Filename@Line +unlikely | 1074| 0 prune_dcache()@:fs/dcache.c@409 After a bonnie++ run: +unlikely | 66716| 19584 prune_dcache()@:fs/dcache.c@409 So remove it. Signed-off-by:
Hua Zhong <hzhong@gmail.com> Signed-off-by:
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Alexey Dobriyan authored
Stringify does what it was told to do. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Amul Shah authored
This patch will fix a boot memory reservation bug that trashes memory on the ES7000 when loading the kdump crash kernel. The code in arch/x86_64/kernel/setup.c to reserve boot memory for the crash kernel uses the non-numa aware "reserve_bootmem" function instead of the NUMA aware "reserve_bootmem_generic". I checked to make sure that no other function was using "reserve_bootmem" and found none, except the ones that had NUMA ifdef'ed out. I have tested this patch only on an ES7000 with NUMA on and off (numa=off) in a single (non-NUMA) and multi-cell (NUMA) configurations. Signed-off-by:
Amul Shah <amul.shah@unisys.com> Looks-good-to: Vivek Goyal <vgoyal@in.ibm.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Heiko Carstens authored
Cleanup & fix 31 bit compilation: CC arch/s390/kernel/setup.o arch/s390/kernel/setup.c:83: error: initializer element is not computable at load time arch/s390/kernel/setup.c:83: error: (near initialization for 'code_resource.start') Not sure which patch in the -mm tree breaks this, but since this can be considered a cleanup it can be merged anyway. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Domen Puncer authored
au1550 ac97 driver works fine on au1200 too. Comments at the top of file state this code is GPL, so lets mark it as GPL too. Signed-off-by:
Domen Puncer <domen.puncer@ultra.si> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Randy Dunlap authored
Add parport interfaces to kernel-doc template. Small doc. cleanups in 2 parport source files. Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Domen Puncer authored
Error paths didn't spin_unlock. Signed-off-by:
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Evgeniy Dushistov authored
Things which force me think a little: why so? Signed-off-by:
Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by:
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KaiGai Kohei authored
In current 2.6.17 implementation, signal_struct refered from task_struct is used for per-process data structure. The pacct facility also uses it as a per-process data structure to store stime, utime, minflt, majflt. But those members are saved in __exit_signal(). It's too late. For example, if some threads exits at same time, pacct facility has a possibility to drop accountings for a part of those threads. (see, the following 'The results of original 2.6.17 kernel') I think accounting information should be completely collected into the per-process data structure before writing out an accounting record. This patch fixes this matter. Accumulation of stime, utime, minflt and majflt are done before generating accounting record. [mingo@elte.hu: fix acct_collect() siglock bug found by lockdep] Signed-off-by:
KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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KaiGai Kohei authored
When pacct facility generate an 'ac_flag' field in accounting record, it refers a task_struct of the thread which died last in the process. But any other task_structs are ignored. Therefore, pacct facility drops ASU flag even if root-privilege operations are used by any other threads except the last one. In addition, AFORK flag is always set when the thread of group-leader didn't die last, although this process has called execve() after fork(). We have a same matter in ac_exitcode. The recorded ac_exitcode is an exit code of the last thread in the process. There is a possibility this exitcode is not the group leader's one.
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KaiGai Kohei authored
The pacct facility need an i/o operation when an accounting record is generated. There is a possibility to wake OOM killer up. If OOM killer is activated, it kills some processes to make them release process memory regions. But acct_process() is called in the killed processes context before calling exit_mm(), so those processes cannot release own memory. In the results, any processes stop in this point and it finally cause a system stall.
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David Howells authored
Apply some small corrections to the memory barrier document, as contributed by: Christoph Lameter <clameter@sgi.com> Kirill Smelkov <kirr@mns.spb.ru> Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Paul Fulghum authored
Add support for SyncLink GT2 adapter to driver. Signed-off-by:
Paul Fulghum <paulkf@microgate.com> Signed-off-by:
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Paul Fulghum authored
Fix diagnostics error reporting that was being overwritten by incorrect use of return codes from individual diagnostic functions. Signed-off-by:
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Paul Fulghum authored
Add ability to return HDLC CRC to user application. Signed-off-by:
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Paul Fulghum authored
Add custom HDLC idle pattern feature. It allows the user to specify an arbitrary 8 or 16 bit repeating pattern on the transmit data pin between HDLC frames. In most cases the idle pattern is continuous ones or flags as supported by off the shelf synchronous controllers and defined in the ISO3309 standard. Some applications (radio/satellite modems, connections to legacy military hardware) require non-standard patterns. Signed-off-by:
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