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2008-07-28[XFS] Name operation vector for hash and compareBarry Naujok
Adds two pieces of functionality for the basis of case-insensitive support in XFS: 1. A comparison result enumerated type: xfs_dacmp. It represents an exact match, case-insensitive match or no match at all. This patch only implements different and exact results. 2. xfs_nameops vector for specifying how to perform the hash generation of filenames and comparision methods. In this patch the hash vector points to the existing xfs_da_hashname function and the comparison method does a length compare, and if the same, does a memcmp and return the xfs_dacmp result. All filename functions that use the hash (create, lookup remove, rename, etc) now use the xfs_nameops.hashname function and all directory lookup functions also use the xfs_nameops.compname function. The lookup functions also handle case-insensitive results even though the default comparison function cannot return that. And important aspect of the lookup functions is that an exact match always has precedence over a case-insensitive. So while a case-insensitive match is found, we have to keep looking just in case there is an exact match. In the meantime, the info for the first case-insensitive match is retained if no exact match is found. SGI-PV: 981519 SGI-Modid: xfs-linux-melb:xfs-kern:31205a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org>
2008-07-28[XFS]Eric Sandeen
de-duplicate calls to xfs_attr_trace_enter Every call to xfs_attr_trace_enter() shares the exact same 16 args in the middle... just send in the context pointer and let the next level down split it into the ktrace. Compile tested only. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:31200a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] add missing call to xfs_filestream_unmount on xfs_mountfs failureChristoph Hellwig
SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31199a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] rename error2 goto label in xfs_fs_fill_superChristoph Hellwig
SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31198a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] kill calls to xfs_binval in the mount error pathChristoph Hellwig
xfs_binval aka xfs_flush_buftarg is the first thing done in xfs_free_buftarg, so there is no need to have duplicated calls just before xfs_free_buftarg in the mount failure path. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31197a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] kill xfs_mount_initChristoph Hellwig
xfs_mount_init is inlined into xfs_fs_fill_super and allocation switched to kzalloc. Plug a leak of the mount structure for most early mount failures. Move xfs_icsb_init_counters to as late as possible in the mount path and make sure to undo it so that no stale hotplug cpu notifiers are left around on mount failures. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31196a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] allow xfs_args_allocate to failChristoph Hellwig
Switch xfs_args_allocate to kzalloc and handle failures. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31195a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] add xfs_setup_devices helperChristoph Hellwig
Split setting the block and sector size out of xfs_fs_fill_super into a small helper to make xfs_fs_fill_super more readable. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31194a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] sort out opening and closing of the block devicesChristoph Hellwig
Currently closing the rt/log block device is done in the wrong spot, and far too early. So revampt it: - xfs_blkdev_put moved out of xfs_free_buftarg into the caller so that it is done after tearing down the buftarg completely. - call to xfs_unmountfs_close moved from xfs_mountfs into caller so that it's done after tearing down the filesystem completely. - xfs_unmountfs_close is renamed to xfs_close_devices and made static in xfs_super.c - opening of the block devices is split into a helper xfs_open_devices that is symetric in use to xfs_close_devices - xfs_unmountfs can now lose struct cred - error handling around device opening sanitized in xfs_fs_fill_super SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31193a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] don't call xfs_freesb from xfs_mountfs failure caseChristoph Hellwig
Freeing of the superblock is already handled in the caller, and that is more symmetric with the mount path, too. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31192a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] merge xfs_mount into xfs_fs_fill_superChristoph Hellwig
xfs_mount is already pretty linux-specific so merge it into xfs_fs_fill_super to allow for a more structured mount code in the next patches. xfs_start_flags and xfs_finish_flags also move to xfs_super.c. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31189a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] merge xfs_unmount into xfs_fs_put_super / xfs_fs_fill_superChristoph Hellwig
xfs_unmount is small and already pretty Linux specific, so merge it into the callers. The real unmount path is simplified a little by doing a WARN_ON on the xfs_unmount_flush retval directly instead of propagating the error back to the caller, and the mout failure case in simplified significantly by removing the forced shutdown case and all the dmapi events that shouldn't be sent because the dmapi mount event hasn't been sent by that time either. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31188a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] kill xfs_igrow_start and xfs_igrow_finishChristoph Hellwig
xfs_igrow_start just expands to xfs_zero_eof with two asserts that are useless in the context of the only caller and some rather confusing comments. xfs_igrow_finish is just a few lines of code decorated again with useless asserts and confusing comments. Just kill those two and merge them into xfs_setattr. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31186a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] merge xfs_mntupdate into xfs_fs_remountChristoph Hellwig
xfs_mntupdate already is completely Linux specific due to the VFS flags passed in, so it might aswell be merged into xfs_fs_remount. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31185a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] kill xfs_uuid_unmountChristoph Hellwig
Quite useless wrapper that doesn't help making the code more readable. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31184a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Update valid fields in xfs_mount_log_sb()David Chinner
Recent changes to update the version number during mount (attr2 stuff) failed to change the assert that checked for calid flags being changed on mount. Clearly this path hasn't been exercised by the test code.... SGI-PV: 981950 SGI-Modid: xfs-linux-melb:xfs-kern:31183a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Kill attr_capable checks as already done in xattr_permission.Christoph Hellwig
No need for addition permission checks in the xattr handler, fs/xattr.c:xattr_permission() already does them, and in fact slightly more strict then what was in the attr_capable handlers. SGI-PV: 981809 SGI-Modid: xfs-linux-melb:xfs-kern:31164a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Convert l_flushsema to a sv_tMatthew Wilcox
The l_flushsema doesn't exactly have completion semantics, nor mutex semantics. It's used as a list of tasks which are waiting to be notified that a flush has completed. It was also being used in a way that was potentially racy, depending on the semaphore implementation. By using a sv_t instead of a semaphore we avoid the need for a separate counter, since we know we just need to wake everything on the queue. Original waitqueue implementation from Matthew Wilcox. Cleanup and conversion to sv_t by Christoph Hellwig. SGI-PV: 981507 SGI-Modid: xfs-linux-melb:xfs-kern:31059a Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Ensure that 2 GiB xfs logs work properly.Michael Nishimoto
We found this while experimenting with 2GiB xfs logs. The previous code never assumed that xfs logs would ever get so large. SGI-PV: 981502 SGI-Modid: xfs-linux-melb:xfs-kern:31058a Signed-off-by: Michael Nishimoto <miken@agami.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Remove unused wbc parameter from xfs_start_page_writeback()Denys Vlasenko
SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31057a Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Remove unused Falgs parameter from xfs_qm_dqpurge()Denys Vlasenko
SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31056a Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Remove unused arg from kmem_free()Denys Vlasenko
kmem_free() function takes (ptr, size) arguments but doesn't actually use second one. This patch removes size argument from all callsites. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31050a Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Fix up noattr2 so that it will properly update the versionnum andTim Shimmin
features2 fields. Previously, mounting with noattr2 failed to achieve anything because although it cleared the attr2 mount flag, it would set it again as soon as it processed the superblock fields. The fix now has an explicit noattr2 flag and uses it later to fix up the versionnum and features2 fields. SGI-PV: 980021 SGI-Modid: xfs-linux-melb:xfs-kern:31003a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Split xfs_dir2_leafn_lookup_int into its two pieces of functionalityBarry Naujok
SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30834a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28powerpc: Disable 64K hugetlb support when doing 64K SPU mappingsBenjamin Herrenschmidt
The 64K SPU local store mapping feature is incompatible with the 64K huge pages support due to the inability of some parts of the memory management to differenciate between them while they use a different page table format. For now, disable 64K huge pages when CONFIG_SPU_FS_64K_LS, in the long run, this can be fixed by making this feature use the hugetlb page table format. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/powermac: Fixup default serial port device for pmac_zilogBenjamin Herrenschmidt
This removes the non-working code in legacy_serial that tried to handle the powermac SCC ports, and instead add a (now working) function to the powermac platform code to find the default serial console if any. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/powermac: Use sane default baudrate for SCC debuggingBenjamin Herrenschmidt
When using the "sccdbg" option to route early kernel messages and xmon to the SCC serial port on PowerMacs, when this wasn't the configured output port of Open Firmware, we initialize the baudrate to 57600bps. This isn't a very good default on some powermacs where both the FW and pmac_zilog will default to 38400. This fixes it to use the same logic as pmac_zilog to pick a default speed. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bitNick Piggin
Implement _PAGE_SPECIAL and pte_special() for 64-bit powerpc. This bit will be used by the fast get_user_pages() to differenciate PTEs that correspond to a valid struct page from special mappings that don't such as IO mappings obtained via io_remap_pfn_ranges(). Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Hugh Dickins <hugh@veritas.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Show processor cache information in sysfsNathan Lynch
Collect cache information from the OF device tree and display it in the cpu hierarchy in sysfs. This is intended to be compatible at the userspace level with x86's implementation[1], hence some of the funny attribute names. The arrangement of cache info is not immediately intuitive, but (again) it's for compatibility's sake. The cache attributes exposed are: type (Data, Instruction, or Unified) level (1, 2, 3...) size coherency_line_size number_of_sets ways_of_associativity All of these can be derived on platforms that follow the OF PowerPC Processor binding. The code "publishes" only those attributes for which it is able to determine values; attributes for values which cannot be determined are not created at all. [1] arch/x86/kernel/cpu/intel_cacheinfo.c BenH: Turned some printk's into pr_debug, added better NULL checking in a couple of places. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Make core id information available to userspaceNathan Lynch
Existing Open Firmware practice is to report each processor core as a separate node in the device tree. Report the value of the "reg" OF property corresponding to a logical CPU's device node as the core_id attribute in /sys/devices/system/cpu/cpu*/topology/core_id. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Make core sibling information available to userspaceNathan Lynch
Implement the notion of "core siblings" for powerpc. This makes /sys/devices/system/cpu/cpu*/topology/core_siblings present sensible values, indicating online CPUs which share an L2 cache. BenH: Made cpu_to_l2cache() use of_find_node_by_phandle() instead of IBM-specific open coded search Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/vio: More fallout from dma_mapping_error API changeStephen Rothwell
arch/powerpc/kernel/vio.c:533: error: too few arguments to function 'dma_mapping_error' Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28ibmveth: Fix multiple errors with dma_mapping_error conversionStephen Rothwell
The addition of an argument to dma_mapping_error() in commit 8d8bb39b9eba32dd70e87fd5ad5c5dd4ba118e06 "dma-mapping: add the device argument to dma_mapping_error()" left a bit of fallout: drivers/net/ibmveth.c:263: error: too few arguments to function 'dma_mapping_error' drivers/net/ibmveth.c:264: error: expected ')' before 'goto' drivers/net/ibmveth.c:284: error: expected expression before '}' token drivers/net/ibmveth.c:297: error: too few arguments to function 'dma_mapping_error' drivers/net/ibmveth.c:298: error: expected ')' before 'dma_unmap_single' drivers/net/ibmveth.c:306: error: expected expression before '}' token drivers/net/ibmveth.c:491: error: too few arguments to function 'dma_mapping_error' drivers/net/ibmveth.c:927: error: too few arguments to function 'dma_mapping_error' drivers/net/ibmveth.c:927: error: expected ')' before '{' token drivers/net/ibmveth.c:974: error: expected expression before '}' token drivers/net/ibmveth.c:914: error: label 'out' used but not defined m Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/pseries: Fix CMO sysdev attribute API change falloutStephen Rothwell
Noticed due to these wanings: arch/powerpc/platforms/pseries/cmm.c:298: warning: initialization from incompatible pointer type arch/powerpc/platforms/pseries/cmm.c:299: warning: initialization from incompatible pointer type arch/powerpc/platforms/pseries/cmm.c:320: warning: initialization from incompatible pointer type arch/powerpc/platforms/pseries/cmm.c:320: warning: initialization from incompatible pointer type Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Enable tracehook for the architectureRoland McGrath
The powerpc arch code has all the prerequisites, so set HAVE_ARCH_TRACEHOOK. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Add TIF_NOTIFY_RESUME support for tracehookRoland McGrath
This adds TIF_NOTIFY_RESUME support for powerpc. When set, we call tracehook_notify_resume() on the way to user mode. This overloads do_signal() to do the work, but changes its arguments to it has the TIF_* bits handy in a register and drops the useless first argument that was always zero. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Add asm/syscall.h with the tracehook entry pointsRoland McGrath
Add asm/syscall.h for powerpc with all the required entry points. This will allow arch-independent tracing code for system calls. BenH: Fixed up use of regs->trap to properly mask low bit Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Make syscall tracing use tracehook.h helpersRoland McGrath
This changes powerpc syscall tracing to use the new tracehook.h entry points. There is no change, only cleanup. In addition, the assembly changes allow do_syscall_trace_enter() to abort the syscall without losing the information about the original r0 value. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Call tracehook_signal_handler() when setting up signal framesRoland McGrath
This makes the powerpc signal handling code call tracehook_signal_handler() after a handler is set up. This means that using PTRACE_SINGLESTEP to enter a signal handler will report to ptrace on the first instruction of the handler, instead of the second. This is consistent with what x86 and other machines do, and what users and debuggers want. BenH: Fixed up the test for the trap value. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Update cpu_sibling_maps dynamicallyNathan Lynch
Rather doing one initialization pass over all the per-cpu cpu_sibling_maps at boot, update the maps at cpu online/offline time. This is a behavior change -- the thread_siblings attribute now reflects only online siblings, whereas it would display offline siblings before. The new behavior matches that of x86, and is arguably more useful. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: register_cpu_online should be __cpuinitNathan Lynch
It is called only in cpu online paths. (caught by CONFIG_DEBUG_SECTION_MISMATCH=y) Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: kill useless SMT code in prom_hold_cpusNathan Lynch
This piece of code is broken for >2 threads, and possibly in some other subtle ways (such as comparing a value obtained from an "ibm,ppc-interrupt-server#s" property to a value obtained from a "reg" property) and doesn't seem to have any useful purpose in the first place other than a dubious warning in case NR_CPUS is too small, which probably isn't the right place to do so. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Fix 8xx build failureKumar Gala
The 'powerpc ioremap_prot' broke 8xx builds: include2/asm/pgtable-ppc32.h:555: error: '_PAGE_WRITETHRU' undeclared (first use in this function) include2/asm/pgtable-ppc32.h:555: error: (Each undeclared identifier is reported only once include2/asm/pgtable-ppc32.h:555: error: for each function it appears in.) Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Fix vio build warningsNathan Lynch
arch/powerpc/kernel/vio.c:1034: warning: function declaration isn’t a prototype arch/powerpc/kernel/vio.c:1035: warning: function declaration isn’t a prototype Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc/booke: Clean up the hardware watchpoint supportKumar Gala
* CONFIG_BOOKE is selected by CONFIG_44x so we dont need both * Fixed a few comments * Go back to only using DBCR0_IDM to determine if we are using debug resources. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28powerpc: Removed duplicated include in stacktrace.cHuang Weiyi
Removed duplicated include file <linux/module.h> in arch/powerpc/kernel/stacktrace.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28Merge commit 'gcl/gcl-next'Benjamin Herrenschmidt
2008-07-28stop_machine: fix up ftrace.cRusty Russell
Simple conversion. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Abhishek Sagar <sagar.abhishek@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <rostedt@goodmis.org>
2008-07-28stop_machine: Wean existing callers off stop_machine_run()Rusty Russell
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-28stop_machine(): stop_machine_run() changed to use cpu maskRusty Russell
Instead of a "cpu" arg with magic values NR_CPUS (any cpu) and ~0 (all cpus), pass a cpumask_t. Allow NULL for the common case (where we don't care which CPU the function is run on): temporary cpumask_t's are usually considered bad for stack space. This deprecates stop_machine_run, to be removed soon when all the callers are dead. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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