- 06 Feb, 2005 21 commits
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Tejun Heo authored
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Tejun Heo <tj@home-tj.org> Signed-off-by:
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Tejun Heo authored
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Tejun Heo authored
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Tejun Heo authored
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Bartlomiej Zolnierkiewicz authored
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Tejun Heo authored
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Tejun Heo authored
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Tejun Heo authored
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Tejun Heo authored
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Tejun Heo authored
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Tejun Heo authored
bart: while at it do whitespace cleanup and add missing FIXME Signed-off-by:
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Bartlomiej Zolnierkiewicz authored
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Tejun Heo authored
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Bartlomiej Zolnierkiewicz authored
->init_chipset is optional Signed-off-by: -
Bartlomiej Zolnierkiewicz authored
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Tejun Heo authored
bart: do small whitespace cleanup while at it Signed-off-by:
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Tejun Heo authored
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Tejun Heo authored
bart: s/byte/u8/ Signed-off-by:
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Tejun Heo authored
bart: leave BUSCLOCK() alone for now Signed-off-by:
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Alexander Viro authored
From: Al Viro <viro@parcelfarce.linux.theplanet.co.uk> On Fri, 4 Feb 2005, Al Viro wrote: > BTW, ide-lib.c code that triggers the ICE happens to be completely broken. > Jens, it's your patch from September 2002 - what used to be > if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) { > became > if ((status.all & (status.b.bsy|status.b.check)) == status.b.check) { > and that's *not* an equivalent transformation. Fixing it doesn't get rid > of ICE, but it certainly deserves fixing. Signed-off-by: -
Jean Delvare authored
Return success if no device is connected to the interface. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
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- 04 Feb, 2005 19 commits
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Linus Torvalds authored
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Paul Mackerras authored
Currently, the kernel won't compile for SMP ppc32 if preempt is enabled. This patch adds suitable read_can_lock and write_can_lock definitions. This patch also adds a real _raw_read_trylock (inline and out-of-line versions), changes the rwlock->lock field to a signed int, which is what it really was all along, and cleans up the out-of-line rwlock code in arch/ppc/lib/locks.c. It removes the debug fields from the rwlock struct because we were never using them, even with CONFIG_DEBUG_SPINLOCK set. I have compile and boot tested this with the four combinations of CONFIG_DEBUG_SPINLOCKS on and off, and CONFIG_PREEMPT on and off. Please put this patch into 2.6.11 so that 2.6.11 will work for ppc32 with CONFIG_SMP and CONFIG_PREEMPT. Signed-off-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Venkatesh Pallipadi authored
This patch fixes the issue with HPET on some platforms. According to Vojtech Pavlik: The first write after writing TN_SETVAL to the config register sets the counter value, the second write sets the threshold. When you only do the first write you never set the threshold and interrupts won't be generated properly. Thanks to John Stultz and Andrew Walrond for reporting, root causing the issue and verifying this fix. Signed-off-by:
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Stephen Rothwell authored
This patch just replaces the last usage of the vio dma mapping routines with the equivalent generic dma mapping routines. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Nathan Lynch authored
Make the physical_id cpu sysfs attribute on ppc64 show -1 instead of 65535 for non-present cpus. Signed-off-by:
Nathan Lynch <nathanl@austin.ibm.com> Signed-off-by:
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Paul Mackerras authored
This patch is from David Woodhouse <dwmw2@infradead.org>. We were pretending that every syscall returned zero. Don't do that. Signed-Off-By:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Anton Blanchard authored
The 4 level pagetable code changed the exit_mmap code to rely on TASK_SIZE. On some architectures (eg ppc64 and ia64), this is a per task property and bad things can happen in certain circumstances when using it. It is possible for one task to end up "owning" an mm from another - we have seen this with the procfs code when process 1 accesses /proc/pid/cmdline of process 2 while it is exiting. Process 2 exits but does not tear its mm down. Later on process 1 finishes with the proc file and the mm gets torn down at this point. Now if process 1 was 32bit and process 2 was 64bit then we end up using a bad value for TASK_SIZE in exit_mmap. We only tear down part of the address space and leave half initialised pagetables and entries in the MMU etc. MM_VM_SIZE() was created for this purpose (and is used in the next line for tlb_finish_mmu), so use it. I moved the PGD round up of TASK_SIZE into the default MM_VM_SIZE. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
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David Woodhouse authored
Bad things can happen if a 32-bit process is the last user of a 64-bit mm. TASK_SIZE isn't a constant, and we can end up clearing page tables only up to the 32-bit TASK_SIZE instead of all the way. We should probably double-check every instance of TASK_SIZE or USER_PTRS_PER_PGD for this kind of problem. We should also double-check that MM_VM_SIZE() and other such things are correctly defined on all architectures. I already fixed ppc64 which let it stay as TASK_SIZE, and hence dependent on the _current_ context instead of the mm in the argument. Signed-off-by:
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Tom Rini authored
Changeset 1.1938.196.11 broke MPC8260 PCI9 Errata workaround. This pach makes it work again. Signed-off-by:
Rune Torgersen <runet@innovsys.com> Signed-off-by:
Tom Rini <trini@kernel.crashing.org> Signed-off-by:
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Jeff Dike authored
Forgot to use ARCH_USER_CFLAGS after defining it for x86_64. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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Jeff Dike authored
This fixes a bug which assumes that __binary_start starts on a page boundary, which isn't true when UML is configured to load into the normal executable area. Signed-off-by:
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Jeff Dike authored
The previous ifdef to check whether to use the host's vsyscall page was buggy. This bug can cause crashes. Signed-off-by:
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Jeff Dike authored
Initialize jiffies_64 to INITIAL_JIFFIES. Signed-off-by:
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Bodo Stroesser authored
When a page fault occurs on an address below the stack-vma, UML tries to expand the stack. On i386 and x86_64, the failing address is compared to the current userspace stack pointer. If the failing address is below "esp-32" resp. "rsp-128", stack expansion is not allowed, and a SIGSEGV is given to the user. This patch makes UML behave like i386/x86_64. Signed-off-by:
Bodo Stroesser <bstroesser@fujitsu-siemens.com> Signed-off-by:
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Jeff Dike authored
This adds code which enables SIGSEGV reception to the SKAS sig_handler_common, which matches the tt code. I still need to figure out why the SA_NODEFER flag was backed out in favor of this. Signed-off-by:
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Paolo \'Blaisorblade\' Giarrusso authored
Change some config text (hide CONFIG_MODVERSION which is broken on UML and fix a dummy prompt). Signed-off-by:
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Paolo \'Blaisorblade\' Giarrusso authored
Re-add some needed headers inclusion deleted in http://linux.bkbits.net:8080/linux-2.5/cset@41e49628dGbOWX-bT9yZII4f19GT6A If you think it cannot make sense to include both <sys/ptrace.h> and <linux/ptrace.h> (as userspace process, i.e. host includes), go complaining with glibc, or follow the linux-abi includes idea. However, the compilation failure is possibly glibc-version (or better glibc includes version) related - what I now is that the failure happens on my system with a glibc 2.3.4 (from Gentoo). Also, fix the syscall table to both compile and have no empty slot (which could cause Oopses). Acked-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Paolo \'Blaisorblade\' Giarrusso authored
arch/um/Kconfig_arch is actually a symlink, so * Remove it from the tree. * Make sure it is removed during make mrproper. Signed-off-by:
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Andrew Morton authored
With NFSD=y, EXPORTFS=m: fs/built-in.o(.text+0x7fff5): In function `fh_verify': /usr/src/25/fs/nfsd/nfsfh.c:221: undefined reference to `export_op_default' So it seems that nfsd requires exportfs. For consistency we should tidy up the definition of EXPORTFS too. Signed-off-by:
Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by:
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