- 27 Sep, 2006 23 commits
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Jesse Brandeburg authored
We experimented with more descriptor buffer writebacks and found that values larger than 8 give HW problems, but 8 is safe and gives us some improved performance. Signed-off-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by:
Auke Kok <auke-jan.h.kok@intel.com>
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Vasily Averin authored
Memory allocated for new tx_ring and rx_ring leaks if e1000_setup_XX_resources() fails.c Also this patch reduces stack usage (removed tx_new and rx_new) and uses kzalloc instead kmalloc+memset(0) Signed-off-by:
Vasily Averin <vvs@sw.ru> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Linas Vepstas authored
Minor janitorial patch: use #defines for literal values. Signed-off-by:
Linas Vepstas <linas@austin.ibm.com> Signed-off-by:
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Bruce Allan authored
Signed-off-by:
Bruce Allan <bruce.w.allan@intel.com> Signed-off-by:
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Jeff Kirsher authored
Several minor issues exist in the low-level device handling code of e1000. The NVM and EEPROM writing/reading code was updated which fixes unneeded delays, adds proper eeprom aqcuiring steps and handle shadow ram and flash access. Minor cosmetic adjustments to the polarity code adding symbols. PHY reset code mistakenly distinguished between MAC types instead of PHY types, and was fixes. Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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Auke Kok authored
We were plagued by our interrupt handler posting a watchdog event which could occur when our adapter was going down in case a late packet arrived just before e1000_down() finished. This caused the watchdog timer to start after the NIC was down and keep rescheduling it every N seconds. Once the driver unloaded it would panic. Signed-off-by: -
Jeff Kirsher authored
Manageability is using one more RAR entry than we anticipated earlier for ICH8. Signed-off-by:
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Jeff Kirsher authored
Add code to display the detected PCI-E bus width. Signed-off-by:
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Bruce Allan authored
When powering down the PHY (if WoL is disabled) we should only check copper PHY's and handle PCI-E adapters differently. Signed-off-by:
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Jeff Kirsher authored
Several hardware bits were set all over the driver and have been consolidated into a single function. Signed-off-by:
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Jesse Brandeburg authored
Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Bruce Allan authored
Disable jumbo frames for 82573L alltogether and when ASPM is enabled since the hardware has problems with it. For the NICs that do support this in the 82573 series we set ERT_2048 to attempt to receive as much traffic as early as we can. Signed-off-by:
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Jeff Kirsher authored
Several manageability capability detection parts hinted towards our code being incomplete for PCI-E. According to spec, we do not want to poke any MANC bits at all. Signed-off-by:
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Jeff Kirsher authored
With a patch, ethtool can now signify the driver to advertise more than just a single speed/duplex setting. This allows you to tell the card to advertise in 10/100 in any speed if you don't have a gigabit switch for instance. Signed-off-by:
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Mitch Williams authored
Add 4 multicast and broadcast hardware counters (rx/tx), and eliminate as many non-hardware counters as possible. Signed-off-by:
Mitch Williams <mitch.a.williams@intel.com> Signed-off-by:
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Nicholas Nunley authored
Signed-off-by:
Nicholas Nunley <nicholas.d.nunley@intel.com> Signed-off-by:
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Jeff Kirsher authored
Signed-off-by:
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Jeff Kirsher authored
Sogned-off-by:
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Auke Kok authored
Unify our shutdown/suspend/resume code and make it similar to e1000: e1000_shutdown now calls suspend which does the exact same thing on shutdown except saving PCI config state on suspend. WoL setup code is now also more simple and works even when CONFIG_PM is not set, which was previously broken. Signed-off-by: -
Jesse Brandeburg authored
Refine cb cleaning debug printout and print out all cleaned cbs' status. Signed-off-by:
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Auke Kok authored
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Auke Kok authored
We keep getting requests from people that think that this might be an exploitable hole where we would overwrite 4 bytes in the netdev struct if the pci name would exceed 15 characters. In reality this will never happen but we fix it anyway. Signed-off-by: -
Auke Kok authored
This update to the copyright header adds the mailinglist, and aligns it with the kernel licensing as well as remove the offending 'all rights reserved'. Signed-off-by:
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- 26 Sep, 2006 17 commits
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Krzysztof Halasa authored
This patch removes accesses to the HDLC-internal data structures from pc300 driver, thus enabling it to compile but breaking part of its functionality. Signed-off-by:
Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Krzysztof Halasa authored
This patch enables building of individual WAN protocol support routines (parts of generic HDLC) as separate modules. All protocol-private definitions are moved from hdlc.h file to protocol drivers. User-space interface and interface between generic HDLC and underlying low-level HDLC drivers are unchanged. Signed-off-by:
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Jeff Garzik authored
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Heiko Carstens authored
Convert cmm's usage of kernel_thread to kthread_run. Also create the cmmthread at module load time, so it is possible to check if creation of the thread fails. In addition the cmmthread now gets terminated when the module gets unloaded instead of leaving a stale kernel thread. Also check the return values of other registration functions at module load and handle their return values appropriately. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Jeff Dike authored
Include the host architecture's ptrace-abi.h instead of ptrace.h. There was some cpp mangling of names around the ptrace.h include to avoid symbol clashes between UML and the host architecture. Most of these can go away. The exception is struct pt_regs, which is convenient to have in userspace, but must be renamed in order that UML can define its own. ptrace-x86_64.h needed to have some now-obsolete cpp cruft and a declaration removed. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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Jeff Dike authored
The use of SEGMENT_RPL_MASK in the i386 ptrace.h introduced by x86-allow-a-kernel-to-not-be-in-ring-0.patch broke the UML build, as UML includes the underlying architecture's ptrace.h, but has no easy access to the x86 segment definitions. Rather than kludging around this, as in the past, this patch splits the userspace-usable parts, which are the bits that UML needs, of ptrace.h into ptrace-abi.h, which is included back into ptrace.h. Thus, there is no net effect on i386. As a side-effect, this creates a ptrace header which is close to being usable in /usr/include. x86_64 is also treated in this way for consistency. There was some trailing whitespace there, which is cleaned up. Signed-off-by:
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Alan Cox authored
Ensure current->signal->tty doesn't get freed during log_exec(). Signed-off-by:
Alan Cox <alan@redhat.com> Acked-by:
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Jeff Dike authored
The KSTK_* macros used an inordinate amount of stack. In order to overcome an impedance mismatch between their interface, which just returns a single register value, and the interface of get_thread_regs, which took a full pt_regs, the implementation created an on-stack pt_regs, filled it in, and returned one field. do_task_stat calls KSTK_* twice, resulting in two local pt_regs, blowing out the stack. This patch changes the interface (and name) of get_thread_regs to just return a single register from a jmp_buf. The include of archsetjmp.h" in registers.h to get the definition of jmp_buf exposed a bogus include of <setjmp.h> in start_up.c. <setjmp.h> shouldn't be used anywhere any more since UML uses the klibc setjmp/longjmp. Signed-off-by:
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Paolo 'Blaisorblade' Giarrusso authored
Clean set_ether_mac usage. Maybe could also be removed, but surely it can't be a global function taking a void* argument. Signed-off-by:
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Acked-by:
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Jeff Dike authored
timer_irq_inited was useless, so it is removed. Signed-off-by:
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Jeff Dike authored
set_interval returns an error instead of panicing if setitimer fails. Some of its callers now check the return. enable_timer is largely tt-mode-specific, so it is marked as such, and the only skas-mode caller is made to call set-interval instead. user_time_init was a no-value-added wrapper around set_interval, so it is gone. Since set_interval is now called from kernel code, callers no longer pass ITIMER_* to it. Instead, they pass a flag which is converted into ITIMER_REAL or ITIMER_VIRTUAL. Signed-off-by:
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Jeff Dike authored
Have most signals go through an arch-provided handler which recovers the sigcontext and then calls a generic handler. This replaces the ARCH_GET_SIGCONTEXT macro, which was somewhat fragile. On x86_64, recovering %rdx (which holds the sigcontext pointer) must be the first thing that happens. sig_handler duly invokes that first, but there is no guarantee that I can see that instructions won't be reordered such that %rdx is used before that. Having the arch provide the handler seems much more robust. Some signals in some parts of UML require their own handlers - these places don't call set_handler any more. They call sigaction or signal themselves. Signed-off-by:
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Jeff Dike authored
- Various cleanups in the sigio code. - Removed explicit zero-initializations of a few structures. - Improved some error messages. - An API change - there was an asymmetry between reactivate_fd calling maybe_sigio_broken, which goes through all the machinery of figuring out if a file descriptor supports SIGIO and applying the workaround to it if not, and deactivate_fd, which just turns off the descriptor. This is changed so that only activate_fd calls maybe_sigio_broken, when the descriptor is first seen. reactivate_fd now calls add_sigio_fd, which is symmetric with ignore_sigio_fd. This removes a recursion which makes a critical section look more critical than it really was, obsoleting a big comment to that effect. This requires keeping track of all descriptors which are getting the SIGIO treatment, not just the ones being polled at any given moment, so that reactivate_fd, through add_sigio_fd, doesn't try to tell the SIGIO thread about descriptors it doesn't care about. Signed-off-by:
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Jeff Dike authored
UML can get a SIGBUS anywhere if the tmpfs mount being used for its memory runs out of space. This patch adds a printk before the panic to provide a clue as to what likely went wrong. Signed-off-by:
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Jeff Dike authored
There were some bugs in handling failures to exec helper programs. errno was passed back from the child with the wrong sign. It was also ignored. In the case where it mattered, the errno from the (successful) read in the parent was used instead. Signed-off-by:
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Jeff Dike authored
arch/um/kernel/tlb.c had some pretty serious whitespace problems. I also fixed some returns. Signed-off-by:
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Jeff Dike authored
Stack randomization needs to be conditional on the personality allowing it. Signed-off-by:
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