- 22 Sep, 2004 40 commits
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Alasdair G. Kergon authored
From: Heinz Mauelshagen <mauelshagen@redhat.com> Make mirror log synchronization optional. Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Alasdair G. Kergon authored
Rename EMIT macro to DMEMIT and move to header file. Signed-off-by:
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Alasdair G. Kergon authored
Fix minor number allocation check: (1 << MINORBITS) is invalid. Signed-off-by:
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Werner Almesberger authored
If setting the printk log buffer (with the boot command line option "log_buf_len") to a value that's not a power of two, the index calculations go wrong and yield confusing results. This patch rounds the size to the next higher power of two. It'll yield garbage for sizes > INT_MAX bytes. Signed-off-by:
Werner Almesberger <werner@almesberger.net> Signed-off-by:
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Torben Mathiasen authored
- s/390 dasd moved to major 94. - s/390 VM/ESA moved to major 95. - INFTL moved to major 96. - Patch also adds Marvell MPSC low-density device to Minor 44 & 45 (Major 204). This one was in my queue. Signed-off-by:
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Martin Schwidefsky authored
From: Steffen Thoss <thoss@de.ibm.com> From: Ursula Braun-Krahl <braunu@de.ibm.com> qeth network driver change: - Change misleading message about hardware ip fragmentation. - Include qeth_snmp_ureq_hdr structure in user copy in qeth_snmp_command. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
From: Horst Hummel <horst.hummel@de.ibm.com> dasd driver changes: - Add control unit types 0x2107 and 0x1750. Signed-off-by:
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Martin Schwidefsky authored
s390 core changes: - Replace invoke_softirq mechanism with own version of do_softirq. - Move /proc/inteerrupts functions to re-added arch/s390/kernel/irq.c - Add some includes to avoid compiler warnings. - Remove unused #defines. - Regenerate default configuration. Signed-off-by:
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Jesper Juhl authored
Signed-off-by:
Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by:
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Denis Vlasenko authored
Stack usage is reduced from 268 to 120 bytes on i386. Signed-off-by:
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Yoichi Yuasa authored
This change had fixed definition order of _sigchld about MIPS. Signed-off-by:
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Mikael Pettersson authored
This patch fixes gcc-3.4 cast-as-lvalue warnings in the 2.6.9-rc2 kernel's Specialix RIO driver. This is a forward port of the fix I made for the 2.4 kernel. Signed-off-by:
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Olaf Hering authored
make ARCH=ppc64 -j12 O=/dev/shm/R all fails, the linker script is not in the output directory. Signed-off-by:
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Mikael Pettersson authored
This patch fixes gcc-3.4 cast-as-lvalue warnings in the 2.6.9-rc2 kernel's WANPIPE/SDLA net drivers. This is a forward port of the fix I made for the 2.4 kernel. Signed-off-by:
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John Engel authored
Here's a patch to fix a bug in compat_sys_fcntl64 in fs/compat.c. The bug occurs with a 32 bit app that calls fcntl and checking for a lock near the end of a file. struct flock sflp; sflp.l_start = 2147483345; sflp.l_len = 302; /* 2147483345 + 302 == 2147483647 (this should not overflow 31 bits) */ /* 2^31 == 2147483648 */ fcntl_stat = fcntl(fd, F_GETLK, &sflp); The patch also contains a fix to handle l_len < 0 which is now defined in POSIX 1003.1-2001 from the fcntl man page. Signed-off-by:John Engel <jhe@us.ibm.com> Signed-off-by:
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Yoichi Yuasa authored
This change had fixed undeclared identifier in arch/mips/vr41xx/common/giu.c Signed-off-by:
Yoichi Yuasa <yuasa@hh.iij4u.or.jp> Signed-off-by:
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Yoichi Yuasa authored
This change had fixed initialization error in arch/mips/vr41xx/common/icu.c Signed-off-by:
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Yoichi Yuasa authored
UPF_RESOURCES isn't used now. Signed-off-by:
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KaiGai Kohei authored
This attached patch adds list_replace_rcu() to include/linux/list.h for atomic updating operations according to RCU-model. void list_replace_rcu(struct list_head *old, struct list_head *new) The 'old' element is detached from the linked list, and the 'new' element is inserted to the same point of the linked list concurrently. This patch is necessary for the performance improvement of SELinux. See, http://lkml.org/lkml/2004/8/16/54 (Subject: RCU issue with SELinux) http://lkml.org/lkml/2004/8/30/63 (Subject: [PATCH]SELinux performance improvement by RCU) Signed-off-by:
KaiGai, Kohei <kaigai@ak.jp.nec.com> Signed-off-by:
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Jeff Mahoney authored
reiserfs_set_xattr() explicitly updates the ctime for the host inode. This works for direct setfacl/setfattr calls, but for the more common case of an inherited default ACL, it breaks. The ACL is inherited in the middle of the new inode creation, before the inode has been hashed. When mark_inode_dirty is called, one of the checks bails out if the inode is unhashed -- but AFTER inode->i_state is updated, so the inode is marked dirty but never placed on any dirty list. Since the inode is never placed on a dirty list, __sync_single_inode from the writeback_inodes() path can never be called on it to clear the dirty flags. Once the inode is hashed and mark_inode_dirty is called for it again, it's too late -- it will bail early assuming (correctly) that the inode is already marked dirty. This ultimately results in I/O stalls that can't be resolved by the fs path, only be the memory allocation path that uses pages directly. The attached patch makes the update of the ctime conditional on the inode being hashed already. Signed-off-by:
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Ryan Cumming authored
Signed-off-by:
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Kirill Korotaev authored
This patch reaaranges inode_lock taking in writeback_inodes(). It narrows down use of inode_lock and removes unneccassary nesting of sb_lock and inode_lock. Instead of holding inode_lock for all the time I moved it around sync_sb_inodes() as it is in all other places. Signed-Off-By:
Kirill Korotaev <dev@sw.ru> Signed-off-by:
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Kirill Korotaev authored
This patch fixes race in writeback_inodes() described below: writeback_inodes() { .... sb->s_count++; spin_unlock(&sb_lock); .... spin_lock(&sb_lock); if (__put_super(sb)) <<< X goto restart; } } deactivate_super() { fs->kill_sb(s); kill_block_super(sb) generic_shutdown_super(sb) spin_lock(&sb_lock); list_del(&sb->s_list); <<< Y spin_unlock(&sb_lock); .... put_super(s); spin_lock(&sb_lock); __put_super(sb); <<< Z spin_unlock(&sb_lock); } The problem with it is that writeback_inodes() supposes that if __put_super() returns 0 then no super block was deleted from the list and we can safely traverse sb list further. But as it is obvious from the deactivate_super() it's not actually true. because at point Y we delete super block from the list and drop the lock. We do __put_super() very much later... So we can find sb with poisoned sb->s_list at point X and we won't be the last sb reference holders. The last reference will be dropped in point Z. So in case of the following sequence of execution Y -> X -> Z we'll get an oops after point X in writeback_inodes(). This patch introduces __put_super_and_need_restart() function which allows safe traversing of sb list. I'll send a couple of patches later which remove O(n^2) algos and using this function. Signed-Off-By: -
Anil Keshavamurthy authored
I booted IA64 kernel with "maxcpus=" set to less than the total available processors in the system. Then I tried to online the CPU which was offline due to "maxcpus=" restirction. i.e when I tried to online the CPU which never was online at boot crashed the system. Signed-off-by:
Anil Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by:
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Stephen Rothwell authored
This patch supplies an device so that ibmvscsic will actually have its probe routine called and so allow ti to actually initialise on (legacy) iSeries machines. It also adds a device for the virtual console (for consistency only at the moment). Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Anton Blanchard authored
There have been reports of problems running UP ppc64 kernels where the kernel would die in the floating point save/restore code. It turns out kernel threads that call exec (and so become user tasks) do not have a valid thread.regs. This means init (pid 1) does not, it also means anything called out of exec_usermodehelper does not. Once that task has forked (eg init), then the thread.regs in the new task is correctly set. On UP do lazy save/restore of floating point regs. The SLES9 init is doing floating point (the debian version of init appears not to). The lack of thread.regs in init combined with the fact that it does floating point leads to our lazy FP save/restore code blowing up. There were other places where this problem exhibited itself in weird and interesting ways. If a task being exec'ed out of a kernel thread used more than 1MB of stack, it would be terminated due to the checks in arch/ppc64/mm/fault.c (looking for a valid thread.regs when extending the stack). We had a test case using the tux webserver that was failing due to this. Since we zero all registers in ELF_PLAT_INIT, I removed the extra memset in start_thread32. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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Nishanth Aravamudan authored
Use msleep_interruptible() instead of schedule_timeout() to guarantee the task delays as expected. Signed-off-by:
Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by:
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Nishanth Aravamudan authored
Use msleep_interruptible() instead of schedule_timeout() to guarantee the task delays as expected. Signed-off-by:
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Andy Fleming authored
The Spurious interrupt assignment for OpenPIC was the constant, OPENPIC_VEC_SPURIOUS plus the offset passed in. Due to bugs in some OpenPICs, the end value needed to be 255 on those systems. However, the constant was then chosen to be 239, because offset on most systems is 16. The 85xx has an offset of 64, however, and so this assignment caused lock-ups during boot. The proposed solution is to declare OPENPIC_VEC_SPURIOUS to be 255, and use that value directly, instead of adding the offset to it. Signed-off-by:
Tom Rini <trini@kernel.crashing.org> Signed-off-by:
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Antonino Daplas authored
This patch arranges driver order in 'driver/video/Makefile' so it closely, but not exactly, follows the previous order in 'drivers/video/fbmem.c'. Signed-off-by:
Antonino Daplas <adaplas@pol.net> Signed-off-by:
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Antonino Daplas authored
This patch places 'video/i810/' after 'char/' in drivers/Makefile. This order change makes it unnecessary for i810fb to explicitly call agp_intel_init(). This is untested, as I don't have any i810 hardware anymore, but I believe it will work. If it does, the ugly 'early initialization hack' in drivers/char/agp/intel-agp.c:agp_intel_init() can be removed (haven't done it yet). Signed-off-by:
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Antonino Daplas authored
Fix fbcon's setup routine so usage is consistent with previous kernels. Ie: video=ofonly and video=xxxfb:off should work. This is done by fb_get_options() returning a nonzero value if: - 'off' option is present - 'ofonly' is present but driver name is not 'offb' All drivers will not proceed with their initialization if return value is nonzero. Signed-off-by:
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Antonino Daplas authored
From: Michal Januszewski <spock@gentoo.org> "The latest changes introduced to the fb structs in linux/fb.h make compilation of userspace programs break with: include/linux/fb.h:305: error: field `modelist' has incomplete type This is caused by struct list_head not being seen from userspace." This patch removes struct list_head modelist from struct fb_monspecs and moves it to struct fb_info instead, and for now, enclosed struct fb_monspecs by #ifdef __KERNEL__/#endif. Signed-off-by:
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Gerd Knorr authored
This fixes a initialization order bug in bttv, also known as "dark red image bug". Signed-off-by:
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Li Shaohua authored
Signed-off-by:
Li Shaohua <shaohua.li@intel.com> Signed-off-by:
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Jesse Barnes authored
A few cleanups that probably should have been done a long time ago: o remove test program from mmtimer.h o move name, desc., etc. #defines from mmtimer.h to mmtimer.c o document what mmtimer.c is a little better o some whitespace cleanups for linewrapping and such Signed-off-by:
Jesse Barnes <jbarnes@sgi.com> Signed-off-by:
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Seiji Kihara authored
This optimisation data=journal isn't working right, because journalled-data pages are not marked dirty when they are dirty against the journal. Hence I_DIRTY_PAGES doesn't get set hence we can fail to sync the file under some circumstances. Signed-off-by:
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Tony Luck authored
into agluck-lia64.sc.intel.com:/data/home/aegl/BK/linux-ia64-release-2.6.9
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Roland Dreier authored
Get rid of IO_TOKEN_TO_ADDR() and IO_ADDR_TO_TOKEN() for pSeries EEH; the conversion to tokens is not needed now that we have __iomem annotations to prevent drivers from dereferencing IO addresses. The IO tokens meant that the __raw_ IO accesses wouldn't have worked, and removing the debugging vestiges simplifies the code noticeably. Signed-off-by:
Roland Dreier <roland@topspin.com> Signed-off-by:
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bk://linux-ntfs.bkbits.net/ntfs-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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