- 06 Feb, 2009 2 commits
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Andre Noll authored
ab5bd5cb introduced the following bug in linear software raid for large arrays on 32 bit machines: which_dev() computes the device holding a given sector by shifting down the sector number to a 32 bit range, dividing by the array spacing and looking up the resulting index in the hash table of the array. Because the computed index might be slightly too small, a loop at the end of which_dev() increases the index until the given sector actually falls into the range of the device associated with that index. The changes of the above mentioned commit caused this loop to check whether the _index_ rather than the sector number is small enough, effectively bypassing the loop and thus possibly returning the wrong device. As reported by Simon Kirby, this leads to errors such as linear_make_request: Sector 2340486136 out of bounds on dev sdi: 156301312 sectors, offset 2109870464 Fix this bug by introducing a local variable for the index so that the variable containing the passed sector is left unchanged. Cc: stable@kernel.org Signed-off-by:
Andre Noll <maan@systemlinux.org> Signed-off-by:
NeilBrown <neilb@suse.de>
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NeilBrown authored
If a raid1 only has a single working device and gets a read error, we choose to simply return that error up to the filesystem (or whatever) rather than failing the whole array. However the codes doesn't quite do that. We attempt a readbalance which allocates the same drive, so we retry the read - indefinitely. Instead: If read_balance in the error case chooses the same drive that just failed, treat it as a failure and don't retry. Signed-off-by:
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- 04 Feb, 2009 38 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (40 commits) Blackfin arch: Remove outdated code Blackfin arch: Fix udelay implementation Blackfin arch: Update Copyright information Blackfin arch: Add BF561 PPI POLS, POLC Masks Blackfin arch: Update CM-BF527 kernel config Blackfin arch: define bfin_memmap as static since it is only used here Blackfin arch: cplb mananger: use a do...while loop rather than a for loop Blackfin arch: fix bug - traps test case 19 for exception 0x2d fails Blackfin arch: add platform device bfin_mii-bus and KSZ8893M switch driver platform resources to board files Blackfin arch: build jtag tty driver as a module by default Blackfin arch: fix 2 bugs related to debug Blackfin arch: Add ANOMALY_05000380 to BF54x to kill the compile warning Blackfin arch: Fix bug - 561 SMP kernel can't boot from jffs2 Blackfin arch: base SIC_IWR# programming on whether the MMR exists Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRST in it Blackfin arch: fixup board init function name Blackfin arch: drop CONFIG_I2C_BOARDINFO ifdefs Blackfin arch: bfin_reset->_bfin_reset redirection no longer needed Blackfin arch: sync reboot handler with version in u-boot Blackfin arch: Faster Implementation of csum_tcpudp_nofold() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Kill bogus TPC/address truncation during 32-bit faults. sparc: fixup for sparseirq changes sparc64: Validate kernel generated fault addresses on sparc64. sparc64: On non-Niagara, need to touch NMI watchdog in NOHZ mode. sparc64: Implement NMI watchdog on capable cpus. sparc: Probe PMU type and record in sparc_pmu_type. sparc64: Move generic PCR support code to seperate file.
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: sunrpc: fix rdma dependencies e1000: Fix PCI enable to honor the need_ioport flag sgi-xp: link XPNET's net_device_ops to its net_device structure pcnet_cs: Fix misuse of the equality operator. hso: add new device id's dca: redesign locks to fix deadlocks cassini/sungem: limit reaches -1, but 0 tested net: variables reach -1, but 0 tested qlge: bugfix: Add missing netif_napi_del call. qlge: bugfix: Add flash offset for second port. qlge: bugfix: Fix endian issue when reading flash. udp: increments sk_drops in __udp_queue_rcv_skb() net: Fix userland breakage wrt. linux/if_tunnel.h net: packet socket packet_lookup_frame fix
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git://git.o-hand.com/linux-mfdLinus Torvalds authored
* 'for-linus' of git://git.o-hand.com/linux-mfd: mfd: Remove non exported references from pcf50633
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Michael Hennerich authored
The removed version with the loop registers saved on the stack was originally intended to workaround the missing toolchain support for LoopReg Clobbers. Since our toolchain now supports these there is no point in keeping this workaround. And since we don't touch LoopRegs anymore we're no longer subject for ANOMALY_05000312. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org>
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Michael Hennerich authored
Avoid possible overflow during 32*32->32 multiplies. Reported-by:
Marco Reppenhagen <marco.reppenhagen@auerswald.de> Signed-off-by:
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Michael Hennerich authored
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Michael Hennerich authored
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Michael Hennerich authored
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Mike Frysinger authored
Signed-off-by:
Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
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Mike Frysinger authored
use a do...while loop rather than a for loop to get slightly better optimization and to avoid gcc "may be used uninitialized" warnings ... we know that the [id]cplb_nr_bounds variables will never be 0, so this is OK Signed-off-by:
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Bernd Schmidt authored
Enable null pointer checking for ICPLBs. The code was there but for some reason I had commented it out at some stage during development. Should restrict this to 1K since atomic ops start there. Signed-off-by:
Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by:
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Graf Yang authored
Blackfin arch: add platform device bfin_mii-bus and KSZ8893M switch driver platform resources to board files Signed-off-by:
Graf Yang <graf.yang@analog.com> Signed-off-by:
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Mike Frysinger authored
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Jie Zhang authored
- unable to single step over emuexcpt instruction - gdbproxy goes into infinite loop when doing gdb does "next" over "emuexcpt" Don't decrement PC after software breakpoint. Signed-off-by:
Jie Zhang <jie.zhang@analog.com> Signed-off-by:
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Bryan Wu authored
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Graf Yang authored
bss_l2 section is garbage when the data in this section is used by _bfin_relocate_l1_mem, so move the zero out function ahead. Signed-off-by:
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Mike Frysinger authored
base SIC_IWR# programming on whether the MMR exists rather than having to maintain another list of processors Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Mike Frysinger authored
Drop CONFIG_I2C_BOARDINFO ifdefs as the common i2c header handles this already by stubbing things out Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Michael Hennerich authored
Avoid conditional branch instructions during carry bit additions. Special thanks to Bernd. Simplify: Use ((len + proto) << 8) like every other __LITTLE_ENDIAN__ machine Cc: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by:
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Graf Yang authored
[Mike Frysinger <vapier.adi@gmail.com>: keep the ifdef nest down] Signed-off-by:
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Grace Pan authored
Signed-off-by:
Grace Pan <grace.pan@analog.com> Signed-off-by:
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Sonic Zhang authored
[Mike Frysinger <vapier.adi@gmail.com>: - setup P_DEFAULT_BOOT_SPI_CS for every arch based on the default bootrom behavior and convert all our boards to it - revert previous anomaly change ... bf51x is not affected by anomaly 05000353] Signed-off-by:
Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
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Mike Frysinger authored
remove subscribers-only marking as the list is automatically & silently moderated for people Signed-off-by:
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Robin Getz authored
Signed-off-by:
Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by:
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Robin Getz authored
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Robin Getz authored
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Mike Frysinger authored
merge more of the bf54x and !bf54x gpio code together to cut down on #ifdef mess Signed-off-by:
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Jie Zhang authored
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Uwe Kleine-Koenig authored
According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This patch changes the gpio_free implementations for the blackfin architecture. Signed-off-by:
Uwe Kleine-Koenig <ukleinek@strlen.de> Cc: David Brownell <david-b@pacbell.net> Acked-by:
Andrew Morton <akpm@linux-foundation.org>
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Robin Getz authored
Make sure we don't accidently re-enable interrupts if we are being called in atomic context Signed-off-by:
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Robin Getz authored
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Michael Hennerich authored
when requesting a GPIO for the first time, the POLAR setting is not set to a sane state. this can lead to indeterminate behavior that cannot be resolved without an explicit write to the Blackfin port POLAR register. when requesting a GPIO for the first time via gpio_request(), the POLAR setting for the GPIO in question should be set to sane state. this should occur if the GPIO has not been allocated in any other way. some examples: - when doing something like "request_irq(); gpio_request();" on the same GPIO, the POLAR setting should not be reset. - when doing "gpio_request(); gpio_request();" on the same GPIO, the POLAR setting should be reset only the first time and not the second. Signed-off-by:
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Michael Hennerich authored
Blackfin arch: Fix Bug - request lines with peripheral_request_list, but don't get freed with peripheral_free_list Remove erroneous check_gpio(ident) in peripheral_free() Reported-by:
Michael McTernan <mmcternan@airvana.com> Signed-off-by:
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