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* [Blackfin] arch: fix bug - a crash on bootup with CONFIG_MPU on the BF548Bernd Schmidt2008-04-23
| | | | | | | | | | | | | | | | | | | The function flush_switched_dcplbs was clearing the CPLB entries covering the process permission bitmasks. This means that the sequence flush_switched_dcplbs (); set_mask_dcplbs(mm->context.page_rwx_mask); has a problem: if kernel code (such as an interrupt) causes a CPLB miss before set_mask_dcplbs completes, the CPLB handler function causes a double fault, with an instantaneous reboot. This bug fix is dedicated to Michael Hennerich, the only person in the world capable of providing working JTAG hardware. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: a rather old performance improvement for the signal ↵Bernd Schmidt2008-04-23
| | | | | | | | | | | | | | | | handling code This is a rather old performance improvement for the signal handling code, which was originally only committed on the 2007R1 branch as a workaround for what we suspected to be a hardware bug. There's no point in constructing a sigreturn stub on the stack and flushing caches; we can just make signal handlers return to a known location in the fixed code area. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: finish removing remnants of old BF537_PORT_H option of ↵Mike Frysinger2008-04-23
| | | | | | | | | Blackfin EMAC driver Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Acked-by: Jeff Garzik <jeff@garzik.org>
* [Blackfin] arch: LARGE_ALLOCS was dropped along the way ... bring Blackfin ↵Mike Frysinger2008-04-22
| | | | | | | | in line Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: we no longer use BFIN_{SINGLE,DUAL}_CORE in our sourceMike Frysinger2008-04-22
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: boards and machines defconfig updatesBryan Wu2008-04-23
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: __FUNCTION__ is gcc-specific, use __func__Harvey Harrison2008-04-22
| | | | | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: remove unused/incorrect definitionMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - make sure we check the right L1 lengthMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add support for the rest of the gptimers on the BF54xMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix obvious bfin_write typosMeihui Fan2008-04-22
| | | | | | | Signed-off-by: Meihui Fan <mhfan@hhcn.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Fix bug - Properly calculate DDR clock.Sonic Zhang2008-04-24
| | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix some obvious typos -- some of which prevent SDH ↵Mike Frysinger2008-04-22
| | | | | | | | building for the BF542 Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file ↵Mike Frysinger2008-04-22
| | | | | | | | | | | | | | | | | | | where it actually gets used. relocate MAX_SWITCH_{D,I}_CPLBS from the header to the file where it actually gets used. this way when we change CONFIG_MEM_SIZE in our kconfig, we only rebuild one or two files rather than a whole bunch that implicitly include cplb.h. this will also remove the ability to clear the swapcount on the fly, but i really dont think that functionality is important. ultimate goal is for CONFIG_MEM_SIZE to go away and calculate this value on the fly based on what u-boot programmed for us. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: replace implied numbers with real valuesMike Frysinger2008-04-22
| | | | | | | | | | | replace implied numbers with real values so that strace is able to calculate things automatically ... the numbers are frozen in our ABI, so having them based off other __NR_xxx values really doesnt matter -- no functional changes Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: MEM_ADD_WIDTH only gets used when reprogramming clocks, so ↵Mike Frysinger2008-04-22
| | | | | | | | dont bother exposing it in the menu normally Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: update reboot code to match latest info (really just copy ↵Mike Frysinger2008-04-22
| | | | | | | | from u-boot) Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: Add dma_map_page and dma_unmap_page stub for MMC SPI compilingBryan Wu2008-04-22
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - Make the MPU code aware of the async banks and ↵Bernd Schmidt2008-04-22
| | | | | | | | | | | the uncached DMA area. Bug: CONFIG_MPU doesn't seem to handle access to ASYNC/IO Memory well http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3912 Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - when using trace buffer with CONFIG_MPU enabled.Bernd Schmidt2008-04-22
| | | | | | | | | | | | | | | | | There were a couple of problems with the way the trace buffer state is saved/restored in assembly. The DEBUG_HWTRACE_SAVE/RESTORE macros save a value to the stack, which is not immediately obvious; the CPLB exception code needed changes to load the correct value of the stack pointer. The other problem is that the SAVE/RESTORE macros weren't pushing and popping the value downwards on the stack, but rather moving it _upwards_, which is of course completely broken. We also need to make sure there's a matching DEBUG_HWTRACE_RESTORE in the error case of the CPLB handler. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix up - CONFIG_BLKFIN_WT was renamed CONFIG_BFIN_WT while ↵Bernd Schmidt2008-04-22
| | | | | | | | the MPU code was out-of-tree. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: remove TWI I2C register accessing helper macros, because we ↵Bryan Wu2008-03-26
| | | | | | | moved to use i2c new-style interface Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - grab locks when not atomicRobin Getz2008-03-25
| | | | | | | | | grab locks when not atomic - this fixes the issues sometimes seen when using magic sysrq. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix bug - when we crash, current is not validRobin Getz2008-03-25
| | | | | | | | | | Sometimes when we crash, current is not valid, (has been written over), so the existing code causes a invalid read during exception context - which is a unrecoverable double fault. This fixes this. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add i2c board info struct and move to new-style i2c interfaceBryan Wu2008-03-25
| | | | | Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: fix up gpio code style -- no functional changesMike Frysinger2008-03-25
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: dump the stack before printing out an error otherwise the ↵Mike Frysinger2008-03-25
| | | | | | | | stack dump is useless as it shows us tracing through printk Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: conditionally enable flash resources since it requests the ↵Mike Frysinger2008-03-25
| | | | | | | | async memory bank Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add code to initialize globals declared in linux/bootmem.h: ↵Yi Li2008-03-25
| | | | | | | | max_pfn, max_low_pfn, min_low_pfn. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: remove NOTES from linker scriptBernd Schmidt2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | Since r3658 | vapier | 2007-09-12 16:26:11 +0200 (Wed, 12 Sep 2007) | 1 line add more common defines for output sections we've had a new line, NOTES, in our linker script, which causes upstream binutils to complain about "missing phdr". Currently the only other arch that uses NOTES is i386, and the patch which added it also added PHDRS { text PT_LOAD FLAGS(5); /* R_E */ data PT_LOAD FLAGS(7); /* RWE */ note PT_NOTE FLAGS(0); /* ___ */ } and a few other modifications to use ":text" and ":data" to the linker script. It seems that we don't need NOTES at all, so just remove it. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add twi resources to CM_BF537 board as reported by Servaes ↵Mike Frysinger2008-03-25
| | | | | | | Joordens Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: declare CHECKFLAGS to make sparse output more readableMike Frysinger2008-03-06
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add missing __user marking to ss_sp member of signalstack ↵Mike Frysinger2008-03-06
| | | | | | | | and a few userspace system functions Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: turn generic time on by defaultMike Frysinger2008-02-28
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: add board bluetechnix kernel defconfigs to kernelMike Frysinger2008-02-28
| | | | | | Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* [Blackfin] arch: initial generic time and clock sourcesVitja Makarov2008-02-28
| | | | | | | | | This patch enables Hight-Res Timers and tickless kernel Signed-off-by: Vitja Makarov <vitja.makarov@gmail.com> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* slab_err: Pass parameters correctly to slab_bugChristoph Lameter2008-04-23
| | | | | Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2008-04-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | 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 7/7] vfs: mountinfo: show dominating group id [patch 6/7] vfs: mountinfo: add /proc/<pid>/mountinfo [patch 5/7] vfs: mountinfo: allow using process root [patch 4/7] vfs: mountinfo: add mount peer group ID [patch 3/7] vfs: mountinfo: add mount ID [patch 2/7] vfs: mountinfo: add seq_file_root() [patch 1/7] vfs: mountinfo: add dentry_path() [PATCH] remove unused label in xattr.c (noise from ro-bind)
| * [patch 7/7] vfs: mountinfo: show dominating group idMiklos Szeredi2008-04-23
| | | | | | | | | | | | | | | | Show peer group ID of nearest dominating group that has intersection with the mount's namespace. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 6/7] vfs: mountinfo: add /proc/<pid>/mountinfoRam Pai2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [mszeredi@suse.cz] rewrite and split big patch into managable chunks /proc/mounts in its current form lacks important information: - propagation state - root of mount for bind mounts - the st_dev value used within the filesystem - identifier for each mount and it's parent It also suffers from the following problems: - not easily extendable - ambiguity of mountpoints within a chrooted environment - doesn't distinguish between filesystem dependent and independent options - doesn't distinguish between per mount and per super block options This patch introduces /proc/<pid>/mountinfo which attempts to address all these deficiencies. Code shared between /proc/<pid>/mounts and /proc/<pid>/mountinfo is extracted into separate functions. Thanks to Al Viro for the help in getting the design right. Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 5/7] vfs: mountinfo: allow using process rootMiklos Szeredi2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow /proc/<pid>/mountinfo to use the root of <pid> to calculate mountpoints. - move definition of 'struct proc_mounts' to <linux/mnt_namespace.h> - add the process's namespace and root to this structure - pass a pointer to 'struct proc_mounts' into seq_operations In addition the following cleanups are made: - use a common open function for /proc/<pid>/{mounts,mountstat} - surround namespace.c part of these proc files with #ifdef CONFIG_PROC_FS - make the seq_operations structures const Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 4/7] vfs: mountinfo: add mount peer group IDMiklos Szeredi2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a unique ID to each peer group using the IDR infrastructure. The identifiers are reused after the peer group dissolves. The IDR structures are protected by holding namepspace_sem for write while allocating or deallocating IDs. IDs are allocated when a previously unshared vfsmount becomes the first member of a peer group. When a new member is added to an existing group, the ID is copied from one of the old members. IDs are freed when the last member of a peer group is unshared. Setting the MNT_SHARED flag on members of a subtree is done as a separate step, after all the IDs have been allocated. This way an allocation failure can be cleaned up easilty, without affecting the propagation state. Based on design sketch by Al Viro. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 3/7] vfs: mountinfo: add mount IDMiklos Szeredi2008-04-23
| | | | | | | | | | | | | | | | Add a unique ID to each vfsmount using the IDR infrastructure. The identifiers are reused after the vfsmount is freed. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 2/7] vfs: mountinfo: add seq_file_root()Miklos Szeredi2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | Add a new function: seq_file_root() This is similar to seq_path(), but calculates the path relative to the given root, instead of current->fs->root. If the path was unreachable from root, then modify the root parameter to reflect this. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [patch 1/7] vfs: mountinfo: add dentry_path()Ram Pai2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [mszeredi@suse.cz] split big patch into managable chunks Add the following functions: dentry_path() seq_dentry() These are similar to d_path() and seq_path(). But instead of calculating the path within a mount namespace, they calculate the path from the root of the filesystem to a given dentry, ignoring mounts completely. Signed-off-by: Ram Pai <linuxram@us.ibm.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * [PATCH] remove unused label in xattr.c (noise from ro-bind)Al Viro2008-04-23
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2008-04-23
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: iwlwifi: Fix built-in compilation of iwlcore net: Unexport move_addr_to_{kernel,user} rt2x00: Select LEDS_CLASS. iwlwifi: Select LEDS_CLASS. leds: Do not guard NEW_LEDS with HAS_IOMEM [IPSEC]: Fix catch-22 with algorithm IDs above 31 time: Export set_normalized_timespec. tcp: Make use of before macro in tcp_input.c hamradio: Remove unneeded and deprecated cli()/sti() calls in dmascc.c [NETNS]: Remove empty ->init callback. [DCCP]: Convert do_gettimeofday() to getnstimeofday(). [NETNS]: Don't initialize err variable twice. [NETNS]: The ip6_fib_timer can work with garbage on net namespace stop. [IPV4]: Convert do_gettimeofday() to getnstimeofday(). [IPV4]: Make icmp_sk_init() static. [IPV6]: Make struct ip6_prohibit_entry_template static. tcp: Trivial fix to correct function name in a comment in net/ipv4/tcp.c [NET]: Expose netdevice dev_id through sysfs skbuff: fix missing kernel-doc notation [ROSE]: Fix soft lockup wrt. rose_node_list_lock
| * | iwlwifi: Fix built-in compilation of iwlcoreTomas Winkler2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes problem in Makefile that prevented built-in compilation of iwlcore Commit that caused this problem: eadd3c4b ("iwlwifi: make Makefile more concise") Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Yi Zhu <yi.zhu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | net: Unexport move_addr_to_{kernel,user}Adrian Bunk2008-04-23
| | | | | | | | | | | | | | | | | | | | | | | | After the removal of the Solaris binary emulation the exports of move_addr_to_{kernel,user} are no longer used. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | rt2x00: Select LEDS_CLASS.David S. Miller2008-04-23
| | | | | | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
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