- Feb 01, 2006
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Andy Gospodarek authored
Allow the r8169 driver to set devices to be full-duplex only when auto-negotiate is disabled. Signed-off-by:
Andy Gospodarek <andy@greyhouse.net> Signed-off-by:
Francois Romieu <romieu@fr.zoreil.com>
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- Jan 29, 2006
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Francois Romieu authored
The MII registers read/write function blindly busy waits for an amount of 1000 us (1 ms), then up to 200 ms. These functions are called from irq disabled context. Depending on the clock management, it triggers lost ticks events. Since the value is way above the standard delay required for mii register access, it strangely looks like a bandaid against posted writes. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=5947 Signed-off-by:
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- Jan 20, 2006
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David S. Miller authored
Signed-off-by:David S. Miller <davem@davemloft.net>
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Linus Torvalds authored
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Linus Torvalds authored
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David S. Miller authored
The compat layer timeout handling changes in: 9f72949f are busted. This is most easily seen with an X application that uses sub-second select/poll timeout such as emacs. You hit a key and it takes a second or so before the app responds. The two ROUND_UP() calls upon entry are using {tv,ts}_sec where it should instead be using {tv_usec,ts_nsec}, which perfectly explains the observed incorrect behavior. Another bug shot down with git bisect. Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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David S. Miller authored
Or else we break on ppc32 and other 32-bit platforms. Based upon a patch from Harald Welte. Signed-off-by: -
David S. Miller authored
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John Hawkes authored
Fix an unnecessary softlockup watchdog warning in the ia64 uncached_build_memmap() that occurs occasionally at 256p and always at 512p. The problem occurs at boot time. Signed-off-by:
John Hawkes <hawkes@sgi.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Tony Luck <tony.luck@intel.com>
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Jes Sorensen authored
Migrate perfmon from using an old semaphore to a completion handler. Signed-off-by:
Jes Sorensen <jes@sgi.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Jes Sorensen authored
Migrate arch/ia64/ia32/sys_ia32 to using a mutex for mmap protection. Signed-off-by:
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- Jan 19, 2006
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David S. Miller authored
This also includes by necessity _TIF_RESTORE_SIGMASK support, which actually resulted in a lot of cleanups. The sparc signal handling code is quite a mess and I should clean it up some day. Signed-off-by: -
David S. Miller authored
Signed-off-by: -
Linus Torvalds authored
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mark gross authored
some driver clean ups, and a re-posting of changes that are needed to match the updated TPS. Signed-off-by:
Mark Gross <mark.gross@intel.com> Signed-off-by:
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Alan Cox authored
This is a subset of the bluesmoke project core code, stripped of the NMI work which isn't ready to merge and some of the "interesting" proc functionality that needs reworking or just has no place in kernel. It requires no core kernel changes except the added scrub functions already posted. The goal is to merge further functionality only after the core code is accepted and proven in the base kernel, and only at the point the upstream extras are really ready to merge. From: doug thompson <norsk5@xmission.com> This converts EDAC to sysfs and is the final chunk neccessary before EDAC has a stable user space API and can be considered for submission into the base kernel. Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by:
doug thompson <norsk5@xmission.com> Signed-off-by:
Pavel Machek <pavel@suse.cz> Signed-off-by:
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Alan Cox authored
Signed-off-by:
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Alan Cox authored
Signed-off-by:
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Alan Cox authored
Signed-off-by:
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Alan Cox authored
EDAC requires a way to scrub memory if an ECC error is found and the chipset does not do the work automatically. That means rewriting memory locations atomically with respect to all CPUs _and_ bus masters. That means we can't use atomic_add(foo, 0) as it gets optimised for non-SMP This adds a function to include/asm-foo/atomic.h for the platforms currently supported which implements a scrub of a mapped block. It also adjusts a few other files include order where atomic.h is included before types.h as this now causes an error as atomic_scrub uses u32. Signed-off-by:
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David Woodhouse authored
Add the sys_pselect6() and sys_poll() calls to the i386 syscall table. Signed-off-by:
David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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David Woodhouse authored
The following implementation of ppoll() and pselect() system calls depends on the architecture providing a TIF_RESTORE_SIGMASK flag in the thread_info. These system calls have to change the signal mask during their operation, and signal handlers must be invoked using the new, temporary signal mask. The old signal mask must be restored either upon successful exit from the system call, or upon returning from the invoked signal handler if the system call is interrupted. We can't simply restore the original signal mask and return to userspace, since the restored signal mask may actually block the signal which interrupted the system call. The TIF_RESTORE_SIGMASK flag deals with this by causing the syscall exit path to trap into do_signal() just as TIF_SIGPENDING does, and by causing do_signal() to use the saved signal mask instead of the current signal mask when setting up the stack frame for the signal handler -- or by causing do_signal() to simply restore the saved signal mask in the case where there is no handler to be invoked. The first patch implements the sys_pselect() and sys_ppoll() system calls, which are present only if TIF_RESTORE_SIGMASK is defined. That #ifdef should go away in time when all architectures have implemented it. The second patch implements TIF_RESTORE_SIGMASK for the PowerPC kernel (in the -mm tree), and the third patch then removes the arch-specific implementations of sys_rt_sigsuspend() and replaces them with generic versions using the same trick. The fourth and fifth patches, provided by David Howells, implement TIF_RESTORE_SIGMASK for FR-V and i386 respectively, and the sixth patch adds the syscalls to the i386 syscall table. This patch: Add the pselect() and ppoll() system calls, providing core routines usable by the original select() and poll() system calls and also the new calls (with their semantics w.r.t timeouts). Signed-off-by:
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Jeff Dike authored
Use the generic sys_rt_sigsuspend. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Signed-off-by:
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Jeff Dike authored
Add support for TIF_RESTORE_SIGMASK. I copy the i386 handling of the flag. sys_sigsuspend is also changed to follow i386. Also a bit of cleanup - turn an if into a switch get rid of a couple more emacs formatting comments Signed-off-by:
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David Woodhouse authored
Implement the TIF_RESTORE_SIGMASK flag in the new arch/powerpc kernel, for both 32-bit and 64-bit system call paths. Signed-off-by:
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David Howells authored
Handle TIF_RESTORE_SIGMASK as added by David Woodhouse's patch entitled: [PATCH] 2/3 Add TIF_RESTORE_SIGMASK support for arch/powerpc [PATCH] 3/3 Generic sys_rt_sigsuspend It does the following: (1) Declares TIF_RESTORE_SIGMASK for i386. (2) Invokes it over to do_signal() when TIF_RESTORE_SIGMASK is set. (3) Makes do_signal() support TIF_RESTORE_SIGMASK, using the signal mask saved in current->saved_sigmask. (4) Discards sys_rt_sigsuspend() from the arch, using the generic one instead. (5) Makes sys_sigsuspend() save the signal mask and set TIF_RESTORE_SIGMASK rather than attempting to fudge the return registers. (6) Makes sys_sigsuspend() return -ERESTARTNOHAND rather than looping intrinsically. (7) Makes setup_frame(), setup_rt_frame() and handle_signal() return 0 or -EFAULT rather than true/false to be consistent with the rest of the kernel. Due to the fact do_signal() is then only called from one place: (8) Makes do_signal() no longer have a return value is it was just being ignored; force_sig() takes care of this. (9) Discards the old sigmask argument to do_signal() as it's no longer necessary. (10) Makes do_signal() static. (11) Marks the second argument to do_notify_resume() as unused. The unused argument should remain in the middle as the arguments are passed in as registers, and the ordering is specific in entry.S Given the way do_signal() is now no longer called from sys_{,rt_}sigsuspend(), they no longer need access to the exception frame, and so can just take arguments normally. This patch depends on sys_rt_sigsuspend patch. Signed-off-by:David Howells <dhowells@redhat.com> Signed-off-by:
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David Howells authored
Handle TIF_RESTORE_SIGMASK as added by David Woodhouse's patch entitled: [PATCH] 2/3 Add TIF_RESTORE_SIGMASK support for arch/powerpc [PATCH] 3/3 Generic sys_rt_sigsuspend It does the following: (1) Declares TIF_RESTORE_SIGMASK for FRV. (2) Invokes it over to do_signal() when TIF_RESTORE_SIGMASK is set. (3) Makes do_signal() support TIF_RESTORE_SIGMASK, using the signal mask saved in current->saved_sigmask. (4) Discards sys_rt_sigsuspend() from the arch, using the generic one instead. (5) Makes sys_sigsuspend() save the signal mask and set TIF_RESTORE_SIGMASK rather than attempting to fudge the return registers. (6) Makes sys_sigsuspend() return -ERESTARTNOHAND rather than looping intrinsically. (7) Makes setup_frame(), setup_rt_frame() and handle_signal() return 0 or -EFAULT rather than true/false to be consistent with the rest of the kernel. Due to the fact do_signal() is then only called from one place: (8) Make do_signal() no longer have a return value is it was just being ignored; force_sig() takes care of this. (9) Discards the old sigmask argument to do_signal() as it's no longer necessary. This patch depends on the FRV signalling patches as well as the sys_rt_sigsuspend patch. Signed-off-by: -
David Woodhouse authored
The TIF_RESTORE_SIGMASK flag allows us to have a generic implementation of sys_rt_sigsuspend() instead of duplicating it for each architecture. This provides such an implementation and makes arch/powerpc use it. It also tidies up the ppc32 sys_sigsuspend() to use TIF_RESTORE_SIGMASK. Signed-off-by:
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Ulrich Drepper authored
Wire up the x86_64 syscalls. Signed-off-by:
Ulrich Drepper <drepper@redhat.com> Signed-off-by:
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Ulrich Drepper authored
Wire up the x86 syscalls Signed-off-by:
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Ulrich Drepper authored
Here is a series of patches which introduce in total 13 new system calls which take a file descriptor/filename pair instead of a single file name. These functions, openat etc, have been discussed on numerous occasions. They are needed to implement race-free filesystem traversal, they are necessary to implement a virtual per-thread current working directory (think multi-threaded backup software), etc. We have in glibc today implementations of the interfaces which use the /proc/self/fd magic. But this code is rather expensive. Here are some results (similar to what Jim Meyering posted before). The test creates a deep directory hierarchy on a tmpfs filesystem. Then rm -fr is used to remove all directories. Without syscall support I get this: real 0m31.921s user 0m0.688s sys 0m31.234s With syscall support the results are much better: real 0m20.699s user 0m0.536s sys 0m20.149s The interfaces are for obvious reasons currently not much used. But they'll be used. coreutils (and Jeff's posixutils) are already using them. Furthermore, code like ftw/fts in libc (maybe even glob) will also start using them. I expect a patch to make follow soon. Every program which is walking the filesystem tree will benefit. Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@ftp.linux.org.uk> Acked-by:
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Christoph Hellwig authored
find_exported_dentry contains two duplicate loops to find an alias that the acceptable callback likes. Split this out to a new helper and switch from list_for_each to list_for_each_entry to make it more readable. Signed-off-by:
Christoph Hellwig <hch@lst.de> Acked-by:
NeilBrown <neilb@suse.de> Signed-off-by:
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David Shaw authored
A recent patch which checked the return status of vfs_getattr in nfsd, completely missed the nfsproc.c (NFSv2) part. Here is it. This patch moved the call to vfs_getattr from the xdr encoding (at which point it is too late to return an error) to the call handling. This means several calls to vfs_getattr are needed in nfsproc.c. Many are encapsulated in nfsd_return_attrs and nfsd_return_dirop. Signed-off-by:
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NeilBrown authored
nfsd_sync* return an errno, which usually needs to be converted to an errno, sometimes immediately, sometimes a little later. Also, nfsd_setattr returns an nfserr which SHOULDN'T be converted from an errno (because it isn't one). Also some tidyups of the form: err = XX err = nfserrno(err) and err = XX if (err) err = nfserrno(err) become err = nfserrno(XX) Signed-off-by: -
Al Viro authored
missing nfserrno() in default case of a switch by return value of posix_lock_file(); as the result we send negative host-endian to clients that expect positive network-endian, preferably mentioned in RFC... BTW, that case is not impossible - posix_lock_file() can return -ENOLCK and we do not handle that one explicitly. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Al Viro authored
->rp_status is network-endian and nobody byteswaps it before sending to client; putting NFSERR_SERVERFAULT instead of nfserr_serverfault in there is not nice... Signed-off-by:
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Al Viro authored
-EINVAL (in host order, no less) is not a good thing to return to client. nfsd4_truncate() returns it in one case and its callers expect nfs_.... from it. AFAICS, it should be nfserr_inval Signed-off-by:
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Al Viro authored
Several failure exits return -E<something> instead of nfserr_<something> and vice versa. Signed-off-by:
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Fred Isaman authored
Clean up some unnecessary special-casing in the setattr code.. Signed-off-by:
Fred Isaman <iisaman@citi.umich.edu> Signed-off-by:
J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by:
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