- 22 Oct, 2005 10 commits
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Grant Grundler authored
move pa_tlb_lock and it's primary consumers to tlb_flush.h Future step will be to move spinlock_t definition out of system.h. Signed-off-by:
Grant Grundler <grundler@parisc-linux.org> Signed-off-by:
Kyle McMartin <kyle@parisc-linux.org>
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Grant Grundler authored
2.6.12-rc4-pa3 : first pass at making sure use of RFI conforms to PA 2.0 arch pages F-4 and F-5, PA 1.1 Arch page 3-19 and 3-20. The discussion revolves around all the rules for clearing PSW Q-bit. The hard part is meeting all the rules for "relied upon translation". .align directive is used to guarantee the critical sequence ends more than 8 instructions (32 bytes) from the end of page. Signed-off-by:
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Grant Grundler authored
add || STI_CONSOLE to some of the basic FONTs. May need to get at least one of them to default to "Y" for parisc. Signed-off-by:
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Matthew Wilcox authored
Fix card-mode Dino crashes on 725 (and probably other Snake) systems. Dino was coming up in fatal mode after a warm reboot. Resetting Dino brings it out of fatal mode, so do that if the status register indicates we're in fatal mode. Since this was never observed on any later systems, I presume firmware does this for us on those. Signed-off-by:
Matthew Wilcox <willy@parisc-linux.org> Add debug statements in the cfg_read and cfg_write functions Fix debug statements from the IRQ overhaul last winter Rename dino_driver_callback() to dino_probe() Signed-off-by:
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Grant Grundler authored
revert use of %%sr0 in fdc asm. Thanks to Joel Soete for pointing out this oversight. Signed-off-by:
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Grant Grundler authored
revert use of %%sr0 in fdc asm. Thanks to Joel Soete for pointing out this oversight. Signed-off-by:
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Matthew Wilcox authored
Convert pa_dev->hpa from an unsigned long to a struct resource. Signed-off-by:
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Matthew Wilcox authored
Make /sys/bus/parisc/drivers look better by cleaning up parisc_driver names. Signed-off-by:
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Matthew Wilcox authored
Fix parse_tree_node. much more needs to be done to fix this file. Signed-off-by:
Richard Hirst <rhirst@parisc-linux.org> Do a proper depth-first search returning parents before children, using the new klist infrastructure. Signed-off-by:
Randolph Chung <tausq@parisc-linux.org> Convert pa_dev->hpa from an unsigned long to a struct resource. Use insert_resource() instead of request_mem_region(). Request resources at bus walk time instead of driver probe time. Don't release the resources as we don't have any hotplug parisc_device support yet. Add parisc_pathname() to conveniently get the textual representation of the hwpath used in sysfs. Inline the remnants of claim_device() into its caller. Signed-off-by:
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Chris Wright authored
Not sure how it slipped by, but here's a trivial typo fix for powernow. Signed-off-by:
Chris Wright <chrisw@osdl.org> [ It's "nurter" backwards.. Maybe we have a hillbilly The Shining fan? ] Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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- 21 Oct, 2005 11 commits
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Roland McGrath authored
When I originally moved exit_itimers into __exit_signal, that was the only place where we could reliably know it was the last thread in the group dying, without races. Since then we've gotten the signal_struct.live counter, and do_exit can reliably do group-wide cleanup work. This patch moves the call to do_exit, where it's made without locks. This avoids the deadlock issues that the old __exit_signal code's comment talks about, and the one that Oleg found recently with process CPU timers. [ This replaces e03d13e9, which is why it was just reverted. ] Signed-off-by:
Roland McGrath <roland@redhat.com> Signed-off-by:
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Linus Torvalds authored
Revert commit e03d13e9, to be replaced by a much nicer fix from Roland.
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Dave Jones authored
AMD recently discovered that on some hardware, there is a race condition possible when a C-state change request goes onto the bus at the same time as a P-state change request. Both requests happen, but the southbridge hardware only acknowledges the C-state change. The PowerNow! driver is then stuck in a loop, waiting for the P-state change acknowledgement. The driver eventually times out, but can no longer perform P-state changes. It turns out the solution is to resend the P-state change, which the southbridge will acknowledge normally. Thanks to Johannes Winkelmann for reporting this and testing the fix. Signed-off-by:
Mark Langsdorf <mark.langsdorf@amd.com> Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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David Gibson authored
This fixes a stupid typo bug in the iSeries hash table code. When we place a hash PTE in the secondary bucket, instead of setting the SECONDARY flag bit, as we should, we (redundantly) set the VALID flag. This was introduced with the patch abolishing bitfields from the hash table code. Mea culpa, oops. It hasn't been noticed until now because in practice we don't hit the secondary bucket terribly often. Signed-off-by:
David Gibson <dwg@au1.ibm.com> Signed-off-by:
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Linus Torvalds authored
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Linus Torvalds authored
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Dave Airlie authored
The wrong state emission routines were being called for G550, and consistent maps weren't correctly mapped... Signed-off-by:
Dave Airlie <airlied@linux.ie> Signed-off-by:
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Benjamin Herrenschmidt authored
While working on 64K pages, I found this little buglet in our update_mmu_cache() implementation. The code calls __hash_page() passing it an "access" parameter (the type of access that triggers the hash) containing the bits _PAGE_RW and _PAGE_USER of the linux PTE. The latter is useless in this case and the former is wrong. In fact, if we have a writeable PTE and we pass _PAGE_RW to hash_page(), it will set _PAGE_DIRTY (since we track dirty that way, by hash faulting !dirty) which is not what we want. In fact, the correct fix is to always pass 0. That means that only read-only or already dirty read write PTEs will be preloaded. The (hopefully rare) case of a non dirty read write PTE can't be preloaded this way, it will have to fault in hash_page on the actual access. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Paul Mackerras authored
This fixes a typo in the div128_by_32 function used in the timekeeping calculations on ppc64. If you look at the code it's quite obvious that we need (rb + c) rather than (rb + b). The "b" is clearly just a typo. Signed-off-by:
Paul Mackerras <paulus@samba.org> Signed-off-by:
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Eric Moore authored
This fixes handling of the phy identifiers in mptsas. Signed-off-by:
Eric Moore <Eric.Moore@lsil.com> [ split it a pre-2.6.14 portion from Eric's bigger patch ] Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Russell King authored
Signed-off-by:Russell King <rmk+kernel@arm.linux.org.uk>
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- 20 Oct, 2005 19 commits
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Ben Dooks authored
Patch from Ben Dooks From: Guillaume Gourat <guillaume.gourat@nexvision.fr> Add MASK definitions for DCLK0 and DCLK1 Signed-off-by:
Guillaume Gourat <guillaume.gourat@nexvision.fr> Signed-off-by:
Ben Dooks <ben-linux@fluff.org> Signed-off-by:
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Ben Dooks authored
Patch from Ben Dooks The current Simtec BAST nand area timings are a little too slow to be obtained by a 2410 running at 266MHz, so reduce the timings slightly to bring them into the acceptable range. Signed-off-by:
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Ben Dooks authored
Patch from Ben Dooks Avoid the possiblity that if the board is using a 16.9334 or higher crystal with a high PLL multiplier, then the pll value could overflow the capability of an int. Also fix the value types of the intermediate variables to unsigned int. Rewrite of patch from Guillaume Gourat Signed-off-by:
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Matt Reimer authored
Patch from Matt Reimer Adds an I2S platform_device for PXA. I2S is used to interface with sound chips on systems like iPAQ h1910/h2200/hx4700 and Asus 716. Signed-off-by: mreimer@vpop.net Signed-off-by: -
Herbert Xu authored
It is legitimate to call tcp_fragment with len == skb->len since that is done for FIN packets and the FIN flag counts as one byte. So we should only check for the len > skb->len case. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
Arnaldo Carvalho de Melo <acme@mandriva.com>
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Herbert Xu authored
Turns out the problem has nothing to do with use-after-free or double-free. It's just that we're not clearing the CB area and DCCP unlike TCP uses a CB format that's incompatible with IP. Signed-off-by:
Ian McDonald <imcdnzl@gmail.com> Signed-off-by:
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Herbert Xu authored
icmp_send doesn't use skb->sk at all so even if skb->sk has already been freed it can't cause crash there (it would've crashed somewhere else first, e.g., ip_queue_xmit). I found a double-free on an skb that could explain this though. dccp_sendmsg and dccp_write_xmit are a little confused as to what should free the packet when something goes wrong. Sometimes they both go for the ball and end up in each other's way. This patch makes dccp_write_xmit always free the packet no matter what. This makes sense since dccp_transmit_skb which in turn comes from the fact that ip_queue_xmit always frees the packet. Signed-off-by:
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Herbert Xu authored
David S. Miller <davem@davemloft.net> wrote: > One thing you can probably do for this bug is to mark data packets > explicitly somehow, perhaps in the SKB control block DCCP already > uses for other data. Put some boolean in there, set it true for > data packets. Then change the test in dccp_transmit_skb() as > appropriate to test the boolean flag instead of "skb_cloned(skb)". I agree. In fact we already have that flag, it's called skb->sk. So here is patch to test that instead of skb_cloned(). Signed-off-by:
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Hugh Dickins authored
This reverts commit 3359b54c and replaces it with a cleaner version that is purely based on page table operations, so that the synchronization between inode size and hugetlb mappings becomes moot. Signed-off-by:
Hugh Dickins <hugh@veritas.com> Signed-off-by:
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Linus Torvalds authored
The -rc4 release was supposed to be the last -rc, but here goes. The RCU fixes and the swiotlb changes need an -rc for final testing.
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Al Viro authored
Missing half of the [PATCH] uml: Fix sysrq-r support for skas mode We need to remove these (UPT_[DEFG]S) from the read side as well as the write one - otherwise it simply won't build. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Acked-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Steven Rostedt authored
Found in the -rt patch set. The scsi_error thread likely will be in the TASK_INTERRUPTIBLE state upon exit. This patch fixes this bug. Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Paul Mackerras authored
Signed-off-by:
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Linus Torvalds authored
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Yasunori Goto authored
This introduces a limit parameter to the core bootmem allocator; The new parameter indicates that physical memory allocated by the bootmem allocator should be within the requested limit. We also introduce alloc_bootmem_low_pages_limit, alloc_bootmem_node_limit, alloc_bootmem_low_pages_node_limit apis, but alloc_bootmem_low_pages_limit is the only api used for swiotlb. The existing alloc_bootmem_low_pages() api could instead have been changed and made to pass right limit to the core allocator. But that would make the patch more intrusive for 2.6.14, as other arches use alloc_bootmem_low_pages(). We may be done that post 2.6.14 as a cleanup. With this, swiotlb gets memory within 4G for both x86_64 and ia64 arches. Signed-off-by:
Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Ravikiran G Thirumalai <kiran@scalex86.org> Signed-off-by:
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Peter Chubb authored
In drivers/acpi/glue.c the address of an integer is cast to the address of an unsigned long. This breaks on systems where a long is larger than an int --- for a start the int can be misaligned; for a second the assignment through the pointer will overwrite part of the next variable. Signed-off-by:
Peter Chubb <peterc@gelato.unsw.edu.au> Acked-by:
"Brown, Len" <len.brown@intel.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Dave Airlie authored
I've gotten a report on lkml, of a possible regression in the MGA DRM in 2.6.14-rc4 (since -rc1), I haven't been able to reproduce it here, but I've figured out some possible issues in the mga code that were definitely wrong, some of these are from DRM CVS, the main fix is the agp enable bit on the old code path still used by everyone..... Signed-off-by:
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Alan Stern authored
The PF_NOFREEZE process flag should not be inherited when a thread is forked. This patch (as585) removes the flag from the child. This problem is starting to show up more and more as drivers turn to the kthread API instead of using kernel_thread(). As a result, their kernel threads are now children of the kthread worker instead of modprobe, and they inherit the PF_NOFREEZE flag. This can cause problems during system suspend; the kernel threads are not getting frozen as they ought to be. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Tom Rini authored
The variable RCS_TAR_IGNORE is used in scripts/packaging/Makefile, but not exported from the main Makefile, so it's never used. This results in the rpm targets being very unhappy in quilted trees. Signed-off-by:
Tom Rini <trini@kernel.crashing.org> Acked-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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