- 25 5月, 2007 1 次提交
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由 Venki Pallipadi 提交于
Silly bug in _PDC data setup. Haven't seen any real side-effects of this one yet. But, needs fixing regardless. Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 24 5月, 2007 1 次提交
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由 Tony Luck 提交于
Continuing the seemingly neverending quest to stomp out "Section mismatch" warnings. Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 23 5月, 2007 3 次提交
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由 Kenji Kaneshige 提交于
Hiroyuki Kamezawa reported the problem that pci_acpi_scan_root() of ia64 might call kmalloc_node() with zero size. Currently ia64's pci_acpi_scan_root() assumes that _CRS method of root bridge has at least one resource window. But, the root bridges that has no resource window must be taken into account. Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Robin Holt 提交于
Unwinding a running task has proven problematic. In one instance, the running task was attempting to unwind itself and received an interrupt between when get_wchan allocated local variables on the stack and when unw_init_from_blocked_task was called which resulted in unw_init_frame_info to place this tasks task_struct pointer over the switch stack's ar_bspstore entry. Signed-off-by: NRobin Holt <holt@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Robin Holt 提交于
This patch adds some sanity checks to keep register and memory stack pointers in the unw_frame_info structure within the tasks stack address range. Signed-off-by: NRobin Holt <holt@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 22 5月, 2007 35 次提交
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由 Benjamin Herrenschmidt 提交于
Some missing fixup for the removal of 4 level fixup header. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Benjamin Herrenschmidt 提交于
Sam's recent change in 7664709b broke things for us because we ended up with *(.text.*) before *(.text), whereas previously *(.text) was first. This was important because the start of the text section contains the kernel entry point. In fact, we don't need that *(.text.*) thing anymore and it incorrectly matched .text.init.refok, thus putting it before .text. .. ouch ! Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Anton Blanchard 提交于
pmc.c has: #ifndef MMCR0_PMA0 #define MMCR0_PMA0 0 This one took a while to find. Unfortunately its the wrong define (number 0 vs letter O). Its probably worth removing this override, since if our includes get screwed up we will have the same (hard to debug) failure. Fix it simply for now, so that we can backport to stable. Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Anton Blanchard 提交于
A number of cpu_table entries were missing the pmc_type field, which means that the sysfs entries for the performance monitor counters don't get created. This adds them. Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Hugh Dickins 提交于
smp_call_function_map() was not safe against preemption to another cpu: its test for removing self from map was outside the spinlock. Rearrange it a little to fix that. smp_call_function_single() was also wrong: now get_cpu() before excluding self, as other architectures do. Signed-off-by: NHugh Dickins <hugh@veritas.com> Signed-off-by: NPaul Mackerras <paulus@samba.org>
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由 Brian Gerst 提交于
cr4 is a 32-bit register, so casting the mask to an unsigned char is wrong, as it clears more than the PGE bit. Signed-off-by: NBrian Gerst <bgerst@didntduck.org> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 john stultz 提交于
The vsyscall time() function basically returns the second portion of xtime directly. This however means that there is about a ticks worth of time each second where time() will return a second value less then what gettimeofday() does. Additionally, this window where vtime() is behind vgettimeofday() grows when dynticks is enabled, so its probably good to get this in before dynticks lands. Big thanks to Sripathi for noticing this issue and creating a test case to work with! This patch changes the vtime() implemenation to call vgettimeofday(), much as syscall time() implementation calls gettimeofday(). 2.6.21 stable candidate too Signed-off-by: NJohn Stultz <johnstul@us.ibm.com> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Yinghai Lu 提交于
In commit d358788f Author: Russell King <rmk@dyn-67.arm.linux.org.uk> Date: Mon Mar 20 20:00:09 2006 +0000 Glen Turner reported that writing LFCR rather than the more traditional CRLF causes issues with some terminals. Since this afflicts many serial drivers, extract the common code to a library function (uart_console_write) and arrange for each driver to supply a "putchar" function. but early_printk is left out. Signed-off-by: NYinghai Lu <yinghai.lu@sun.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andi Kleen 提交于
Fix boot failures with the early CPUID checking on VIA C3 Includes fixes from Christian Volkmann Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christian Volkmann 提交于
- boot/setup.S did not print "PANIC: CPU too old for this kernel" ( not visible, also the message did not match ) - I add "# missed before: set ds" => somebody should check if I am right with the way to set. => seems to be a generic error in setup.S not to set "ds" for error messages. AK: extracted patch out of other changes AK: also couldn't find any other case where ds is wrong Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andi Kleen 提交于
It reports machine check capability in CPUID, but doesn't actually implement all the necessary MSRs of the standard Intel machine check architecture. This fixes a boot failure on K6s recently introduced. Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andi Kleen 提交于
Only try to allocate MSRs once instead of for every CPU. This assumes the MSRs are the same on all CPUs which is currently true. P4-HT is a special case for different SMT threads, but the code always saves/restores all MSRs so it works identical. Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andi Kleen 提交于
Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Andi Kleen 提交于
Signed-off-by: NAndi Kleen <ak@suse.de> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Bryan Wu 提交于
Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Bryan Wu 提交于
Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Bernd Schmidt 提交于
There's a forum thread at https://blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&_forum_action=MessageReply&message_id=24741 which has a testcase involving signal handling that crashes quite readily. Inspecting the code I believe what happens is that signal handling can become confused when it is invoked on return from an interrupt, if the contents of P0 and R0 at the time of the interrupt happen to be such that P0 is larger than zero (indicating to the signal code that we're in a syscall), and R0 happens to have a value of something like -EINTR or -ERESTARTSYS. Fixed by setting orig_p0 to -1 if we're returning from an interrupt. The testcase now seems to run without problems. Signed-off-by: NBernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Blackfin arch: cache SWRST value at bootup so other things like watchdog can non-destructively query it Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Aubrey Li 提交于
Signed-off-by: NAubrey Li <aubrey.li@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Blackfin arch: move board specific setup out of common init code and into the board specific init code Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Hennerich 提交于
Without conswitchp preset, we have the following situation: - During initcalls: con_init is called, and returns because of !display_desc. - At this point there is no memory allocated for vc_cons[].d A bit later vty_init calls kbd_init. - From now on events are passed to kbd_event which will then call kbd_keycode. - kbd_keycode will oops on a NULL pointer dereference on vc->vc_tty Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: NBryan Wu <bryan.wu@analog.com> [ Added commit description based on email thread. - Linus ] Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Hennerich 提交于
1) Disable Interrupts during DMA memcpy to avoid raise conditions. 2) Mark MDMA channel 0 as reserved, since were using it internally. 3) Add DMA based equivalents for insX and outsX. 4) Our insX and outsX only handles len <= 2^16. Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Michael Hennerich 提交于
Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Aubrey Li 提交于
ZONE_DMA is required for some drivers subsystem, such as USB/SCSI. Signed-off-by: NAubrey Li <aubrey.li@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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