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* x86: mtrr cleanup for converting continuous to discrete layout - fix #2Yinghai Lu2008-05-25
| | | | | | | | disable the noisy print out. also use the one the less spare mtrr reg. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: amd opteron TOM2 mask val fixYinghai Lu2008-05-25
| | | | | | | | there is a typo in the mask value, need to remove that extra 0, to avoid 4bit clearing. Signed-off-by: Yinghal Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: make e820.c to have common functionsYinghai Lu2008-05-25
| | | | | | | remove the duplicated copy of these functions. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: process fam 10h like k8 with fixed mtrr settingYinghai Lu2008-05-25
| | | | | | | | | otherwise fixed MTRR for family 10h may not be changed. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: mtrr cleanup for converting continuous to discrete - auto detect v4Yinghai Lu2008-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | Loop through mtrr chunk_size and gran_size from 1M to 2G to find out the optimal value so user does not need to add mtrr_chunk_size and mtrr_gran_size to the kernel command line. If optimal value is not found, print out all list to help select less optimal value. Add mtrr_spare_reg_nr= so user could set 2 instead of 1, if the card need more entries. v2: find the one with more spare entries v3: fix hole_basek offset v4: tight the compare between range and range_new loop stop with 4g Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Gabriel C <nix.or.die@googlemail.com> Cc: Mika Fischer <mika.fischer@zoopnet.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: mtrr cleanup for converting continuous to discrete layout v8 - fixYinghai Lu2008-05-25
| | | | | | | | | | v9: address format change requests by Ingo more case handling in range_to_var_with_hole Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: fix trimming e820 with MTRR holes. - fixYinghai Lu2008-05-25
| | | | | | | | | | v2: process hole then end_pfn fix update_memory_range with whole cover comparing Signed-off-by: Yinghai Lu <yinghai.lu@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: fix trimming e820 with MTRR holes.Yinghai Lu2008-05-25
| | | | | | | | | | | | | | | | | | converting MTRR layout from continous to discrete, some time could run out of MTRRs. So add gran_sizek to prevent that by dumpping small RAM piece less than gran_sizek. previous trimming only can handle highest_pfn from mtrr to end_pfn from e820. when have more than 4g RAM installed, there will be holes below 4g. so need to check ram below 4g is coverred well. need to be applied after [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v7 Signed-off-by: Yinghai Lu <yinghai.lu@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: mtrr cleanup for converting continuous to discrete layout, v8Yinghai Lu2008-05-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | some BIOS like to use continus MTRR layout, and X driver can not add WB entries for graphical cards when 4g or more RAM installed. the patch will change MTRR to discrete. mtrr_chunk_size= could be used to have smaller continuous block to hold holes. default is 256m, could be set according to size of graphics card memory. mtrr_gran_size= could be used to send smallest mtrr block to avoid run out of MTRRs v2: fix -1 for UC checking v3: default to disable, and need use enable_mtrr_cleanup to enable this feature skip the var state change warning. remove next_basek in range_to_mtrr() v4: correct warning mask. v5: CONFIG_MTRR_SANITIZER v6: fix 1g, 2g, 512 aligment with extra hole v7: gran_sizek to prevent running out of MTRRs. v8: fix hole_basek caculation caused when removing next_basek gran_sizek using when basek is 0. need to apply [PATCH] x86: fix trimming e820 with MTRR holes. right after this one. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: move i386 memory setup code to e820_32.cAlexander van Heukelum2008-05-25
| | | | | | | | | | | | | | | | | | | | | | The x86_64 code has centralized the memory setup code in e820_64.c. This patch copies that approach to i386: - early_param("mem", ...) parsing is moved from setup_32.c to e820_32.c. - setup_memory_map() and finish_e820_parsing() are factored out from setup_arch(), and declarations are added to e820_32.h. - print_memory_map() is made static and removed from e820_32.h. - user_defined_memmap is marked as __initdata. Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: fix sparse warning in mtrr/generic.cThomas Gleixner2008-05-25
| | | | | | | | arch/x86/kernel/cpu/mtrr/generic.c:216:12: warning: symbol 'lo' shadows an earlier one Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2008-05-22
|\ | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Prevent stack backtrace false positives on trap frames. sparc64: Fix stack tracing through trap frames. sparc64: Fix kernel thread stack termination. sunhv: Fix locking in non-paged I/O case.
| * sparc64: Prevent stack backtrace false positives on trap frames.David S. Miller2008-05-22
| | | | | | | | | | | | | | | | When we fully commit to returning back to kernel mode from a trap, zero out the regs->magic value to prevent false positives during stack backtraces. Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc64: Fix stack tracing through trap frames.David S. Miller2008-05-21
| | | | | | | | | | | | | | | | | | | | | | The offset to the pt_regs area was wrong, so we weren't looking at the right location for the magic cookie. A trap frame is composed of a "struct sparc_stackf" then a "struct pt_regs", the code was using "struct reg_window" instead of "struct sparc_stackf". Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc64: Fix kernel thread stack termination.David S. Miller2008-05-21
| | | | | | | | | | | | | | | | | | | | | | | | Because of the silly way I set up the initial stack for new kernel threads, there is a loop at the top of the stack. To fix this, properly add another stack frame that is copied from the parent and terminate it in the child by setting the frame pointer in that frame to zero. Signed-off-by: David S. Miller <davem@davemloft.net>
* | provide out-of-line strcat() for m68kAl Viro2008-05-21
| | | | | | | | | | | | | | | | | | | | Whether we sidestep it in init/main.c or not, such situations will arise again; compiler does generate calls of strcat() on optimizations, so we really ought to have an out-of-line version... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | MODULE_LICENSE expects "GPL v2", not "GPLv2"Al Viro2008-05-21
| | | | | | | | | | | | | | | | ... and we have few enough places using the latter to make it simpler to do search and replace... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | thanks to net/mac80211 we need to pull drivers/leds/Kconfig on umlAl Viro2008-05-21
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | missing export of csum_partial() on uml/amd64Al Viro2008-05-21
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | uml: add missing exports for UML_RANDOM=mAl Viro2008-05-21
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | fix include order in sys-i386/registers.cAl Viro2008-05-21
| | | | | | | | | | | | | | | | | | We want sys/ptrace.h before any includes of linux/ptrace.h and asm/user.h pulls the latter. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | missed kmalloc() in pcap_user.cAl Viro2008-05-21
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2008-05-20
|\| | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Add global register dumping facility. sparc: remove CVS keywords sparc64: remove CVS keywords
| * sparc64: Add global register dumping facility.David S. Miller2008-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a cpu really is stuck in the kernel, it can be often impossible to figure out which cpu is stuck where. The worst case is when the stuck cpu has interrupts disabled. Therefore, implement a global cpu state capture that uses SMP message interrupts which are not disabled by the normal IRQ enable/disable APIs of the kernel. As long as we can get a sysrq 'y' to the kernel, we can get a dump. Even if the console interrupt cpu is wedged, we can trigger it from userspace using /proc/sysrq-trigger The output is made compact so that this facility is more useful on high cpu count systems, which is where this facility will likely find itself the most useful :) Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc: remove CVS keywordsAdrian Bunk2008-05-20
| | | | | | | | | | | | | | | | This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc64: remove CVS keywordsAdrian Bunk2008-05-20
| | | | | | | | | | | | | | | | This patch removes the CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'for-linus' of ↵Linus Torvalds2008-05-20
|\ \ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: correct mailing list address PCI: Correct last two HP entries in the bfsort whitelist
| * | PCI: Correct last two HP entries in the bfsort whitelistTony Camuso2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace Redundant Whitelist Entries with the Correct Ones The ProLiant DL585 G2 and the DL585 G2 are entered reundantly in the dmi_system_id table. What should have been there are the DL360 and DL380. This patch simply replaces the redundant entries with the correct entries. Signed-off-by: Tony Camuso <tony.camuso@hp.com> Signed-off-by: Pat Schoeller <patrick.schoeller@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* | | Merge branch 'merge' of ↵Linus Torvalds2008-05-20
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Update defconfigs for desktop/server systems [POWERPC] Fix mpc8377_mds.dts DMA nodes to match spec [POWERPC] Update arch/powerpc/boot/.gitignore [POWERPC] Remove generated files on make clean [POWERPC] powerpc/mm/hash_low_32.S: Remove CVS keyword [POWERPC] Update Cell MAINTAINERS entry, add spufs entry lmb: Fix compile warning
| * | [POWERPC] Update defconfigs for desktop/server systemsPaul Mackerras2008-05-20
| | | | | | | | | | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | Merge branch 'for-2.6.26' of ↵Paul Mackerras2008-05-20
| |\ \ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into merge
| | * | [POWERPC] Fix mpc8377_mds.dts DMA nodes to match specKumar Gala2008-05-20
| | | | | | | | | | | | | | | | Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| | * | [POWERPC] Update arch/powerpc/boot/.gitignoreKumar Gala2008-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add dtbImage.* * Added zImage.holly * Folded zImage.coff.lds into zImage.*lds * Removed some unused zImage.<foo> ignores Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| | * | [POWERPC] Remove generated files on make cleanKumar Gala2008-05-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dtbImage.* and several zImage. targets get created but never cleaned up. Also, moved zImage to the clean-files line associated with all other image results (was previously duplicated). Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | | [POWERPC] powerpc/mm/hash_low_32.S: Remove CVS keywordAdrian Bunk2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes a CVS keyword that wasn't updated for a long time from a comment. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | | Merge branch 'for-linus' of ↵Linus Torvalds2008-05-19
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: [PATCH] return to old errno choice in mkdir() et.al. [Patch] fs/binfmt_elf.c: fix wrong return values [PATCH] get rid of leak in compat_execve() [Patch] fs/binfmt_elf.c: fix a wrong free [PATCH] avoid multiplication overflows and signedness issues for max_fds [PATCH] dup_fd() part 4 - race fix [PATCH] dup_fd() - part 3 [PATCH] dup_fd() part 2 [PATCH] dup_fd() fixes, part 1 [PATCH] take init_files to fs/file.c
| * | | | [PATCH] take init_files to fs/file.cAl Viro2008-05-16
| | |_|/ | |/| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | | Merge branch 'for-2.6.26' of ↵Linus Torvalds2008-05-19
|\ \ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx * 'for-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx: [POWERPC] 4xx: Workaround for CHIP_11 Errata
| * | | [POWERPC] 4xx: Workaround for CHIP_11 ErrataJosh Boyer2008-05-19
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PowerPC 440EP, 440GR, 440EPx, and 440GRx chips have an issue that causes the PLB3-to-PLB4 bridge to wait indefinitely for transaction requests that cross the end-of-memory-range boundary. Since the DDR controller only returns the valid portion of a read request, the bridge will prevent other PLB masters from completing their transactions. This implements the recommended workaround for this errata for chips that use older versions of firmware that do not already handle it. The last 4KiB of memory are hidden from the kernel to prevent the problem transactions from occurring. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2008-05-19
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin SPORTS UART Driver: converting BFIN->BLACKFIN Blackfin serial driver: add extra IRQ flag for 8250 serial driver 8250 Serial Driver: Added support for 8250-class UARTs in HV Sistemas H8606 board Blackfin arch: Fix bug - USB fails to build for BF524/BF526 Blackfin arch: update boards defconfig files Blackfin arch: IO Port functions to read/write unalligned memory Blackfin arch: enable a choice to provide 4M DMA memory Blackfin arch: cleanup the icplb/dcplb multiple hit checks Blackfin arch: Add workaround to read edge triggered GPIOs Blackfin arch: Sync channel defines with struct dma_register dma_io_base_addr. Blackfin arch: Check for Anomaly 05000182 [Blackfin] arch: rename bf5xx-flash to bfin-async-flash [Blackfin] arch: Blackfin checksum annotations
| * | | Blackfin arch: update boards defconfig filesMichael Hennerich2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | Blackfin arch: IO Port functions to read/write unalligned memoryMichael Hennerich2008-05-17
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | Blackfin arch: enable a choice to provide 4M DMA memoryCliff Cai2008-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | support two cascaded AD73322 cards, more uncached DMA memory is needed, so add a choice to provide 4M DMA memory Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | Blackfin arch: cleanup the icplb/dcplb multiple hit checksMike Frysinger2008-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | so that we always send the same signal and we handle the NULL ptr condition properly Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | Blackfin arch: Add workaround to read edge triggered GPIOsMichael Hennerich2008-05-17
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | Blackfin arch: Check for Anomaly 05000182Michael Hennerich2008-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IMDMA does not operate to full speed for 600MHz and higher devices Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | [Blackfin] arch: rename bf5xx-flash to bfin-async-flashMike Frysinger2008-05-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - move all kconfig board settings into board resources - fixup casting style according to lkml feedback - rewrite driver so that it can handle arbitrary of instances according to the declared platform resources Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Cc: Joern Engel <joern@logfs.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
| * | | [Blackfin] arch: Blackfin checksum annotationsAl Viro2008-05-11
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FSVOtest in this case, since I don't have the hardware... However, all changes seen by gcc are actually - explicit cast to unsigned short in return expression of functions returning unsigned short - csum_fold() return type changed from unsigned int to __sum16 (unsigned short), same as for all other architecture and as net/* expects; expression actually returned is ((~(sum << 16)) >> 16) with sum being unsigned 32bit, so it's (a) going to fit into the range of unsigned short and (b) had been unsigned all along, so no sign expansion mess happened. Tested-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Miller <davem@davemloft.net> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-05-19
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Fix up restorer in debug_trap exception return path. sh: Make is_valid_bugaddr() more intelligent on nommu. sh: use the common ascii hex helpers sh: fix sh7785 master clock value sh: Fix up thread info pointer in syscall_badsys resume path. sh: Fix up optimized SH-4 memcpy on big endian. sh: disable initrd defaults in .empty_zero_page. sh: display boot params by default on entry.
| * | | sh: Fix up restorer in debug_trap exception return path.Paul Mundt2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are a few different types of debug trap exceptions, though now that they are all going through a special jump table, the restorer needs to be unified as well. Presently this is falling through the ret_from_fork path, which more or less does the right thing on SH-3/4 whilst being completely unsuitable on MMU-less targets. Ultimately what we want here is a branch through the platform's restore_all directly, without worrying about the retval being clobbered. We can accomplish that through a branch to __restore_all directly, so switch it so we come back from the jump table and branch to the restorer. This fixes up a recursion in the nommu WARN_ON() path, as well as some other userspace nastiness where said recursion caused serious stack corruption. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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