- 11 Jan, 2005 23 commits
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Matt Mackall authored
Remove random pool resizing sysctl. It's racy in hard to fix ways and doesn't really warrant fixing. It also only allows adjusting the input pool size so it's either obsolete or incomplete. The default 4kbits (512 bytes) of entropy pool should be more than big enough for all purposes and too small to be a memory concern. This patch removes the resizing code and marks the sysctl read-only. Signed-off-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Matt Mackall authored
Whitespace cleanups trailing whitespace removal superfluous brace removal Signed-off-by:
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Christoph Hellwig authored
On Fri, Dec 10, 2004 at 11:04:22AM +1100, Nathan Scott wrote: > The bug# for the write deadlock I mentioned earlier -- 925836. I finally found some time to look at it, and this fix is almost trivial. XFS doesn't need the i_alloc_sem at all, so we should avoid taking it in direct-io.c completely. As a side-effect it makes the code a little bit simpler even. Signed-off-by:
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Geert Uytterhoeven authored
M68k: Remove nowhere referenced files Signed-off-by:
Domen Puncer <domen@coderock.org> Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Geert Uytterhoeven authored
MMC_WBSD depends on ISA (needs isa_virt_to_bus()) Signed-off-by:
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Geert Uytterhoeven authored
M68k: Update defconfigs for 2.6.10 Signed-off-by:
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Hirokazu Takata authored
We, Linux/M32R project members, decided to change the kernel API/ABI. This modification is not small, but if we don't change it now, perhaps we have no chance to change them hereafter. * Why change the m32r kernel API/ABI? - The m32r port has many old-style syscall interfaces, because we made m32r port refering to the other traditional archs. Some old syscalls are no longer used or can be safely removed by upgrading the GNU C library. - To make the m32r kernel more secure, it is preferable to prevent stack region from being executed. (e.g. stack overflow) * API/ABI changes - include/asm-m32r/unistd.h: Upgrade to the new kernel API. - arch/m32r/entry.S: Minimum update to the new ABI. - Don't use UID16 syscalls. - To make stack noexecutable: 1) Don't use trampoline for signal handlers for kernel space (cf. sparc64): sys_signal: remove. sys_sigaction, sys_rt_sigaction: use glibc's restorer. 2) Don't generate trampoline code by GCC in userspace: Support non-executable stack by the m32r gcc. --> done (for gcc-3.4.3/gcc-4.0) * New userland - This modification does *not* keep backward compatibility. So we have been prepared new userland, based on the new API/ABI. Already, more than 200 new Debian deb binary packages are available on the Linux/M32R site: http://debian.linux-m32r.org/dists/04_ordovician/ (for this new ABI) Signed-off-by:NIIBE Yutaka <gniibe@fsij.org> Signed-off-by:
Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Barry K. Nathan authored
During resume, my previous patch switches over to the saved swsusp image without suspending all devices first. This patch fixes that oversight, so that the state of the hardware upon resume more closely matches the state it had at suspend time. While my previous patch alone seemed to work fine in my testing, it is not fully correct without this as well. Signed-off-by:
Barry K. Nathan <barryn@pobox.com> Acked-by:
Pavel Machek <pavel@ucw.cz> Signed-off-by:
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Barry K. Nathan authored
Since at least kernel 2.6.9, if not earlier, swsusp fails to properly suspend and resume all devices. The most notable effect is that resuming fails to properly reconfigure interrupt routers. In 2.6.9 this was obscured by other kernel code, but in 2.6.10 this often causes post-resume APIC errors and near-total failure of some PCI devices (e.g. network, sound and USB controllers). Even in cases where interrupt routing is unaffected, this bug causes other problems. For instance, on one of my systems I have to run "ifdown eth0;ifup eth0" after resume in order to have functional networking, if I do not apply this patch. By itself, this patch is not theoretically complete; my next patch fixes that. However, this patch is the critical one for fixing swsusp's behavior in the real world. Signed-off-by:
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Pavel Machek authored
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Pavel Machek authored
This introduces pm_message_t. For now, it is only good for type-safety and sparse checking, but plan is to turn pm_message_t into structure soon. Signed-off-by:
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Leendert van Doorn authored
The old code cuts off the higher bits in CR4 (such as X86_CR4_OSFXSR, X86_CR4_OSXMMEXCPT). Signed-off-by: leendert@watson.ibm.com Signed-off-by:
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Alexander Viro authored
Comment on why iounmap is not appropriate in the early-boot legacy ISA region dmi scan. Signed-off-by:
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David Gibson authored
This patch makes some cleanups to the #defines for various fields in the MMCR0 performance monitor control register. Specifically, the names of a couple of bits are changed so that: a) they are a bit less cumbersomely long and b) they match the names used in the hardware documentation. Signed-off-by:
David Gibson <dwg@au1.ibm.com> Signed-off-by:
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Olof Johansson authored
In the recent IOMMU cleanup, the new LPAR code assumes that all PHBs must have a dma window assigned to it. On some machines we don't have a window assinged unless there's an adapter in the slot. In other words, a PHB without a ibm,dma-window property is not a bug and must be tolerated. This patch fixes that, and also removes a redundant check for the dma-window being defined. Signed-off-by:
Olof Johansson <olof@austin.ibm.com> Signed-off-by:
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Serge Hallyn authored
The vm_enough_memory functionality was replicated in three separate places, and not always kept in sync. It also used capable() for authorization checks. This caused any process which ends up checking for this permission to have PF_SUPERPRIV set (inappropriately), and caused poor dependencies between stacked modules, since each LSM was generically asked to moderate capable(CAP_SYS_ADMIN) without knowing why. Signed-off-by:
Serge Hallyn <serue@us.ibm.com> Signed-off-by:
Chris Wright <chrisw@osdl.org> Signed-off-by:
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Serge Hallyn authored
The following patch splits bprm_apply_creds into two functions, bprm_apply_creds and bprm_post_apply_creds. The latter is called after the task_lock has been dropped. Without this patch, SELinux must drop the task_lock and re-acquire it during apply_creds, making the 'unsafe' flag meaningless to any later security modules. Please apply. Signed-off-by:
Stephen Smalley <sds@epoch.ncsc.mil> Signed-off-by:
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Chris Wedgwood authored
Recent changes mean nodemask.h is required in places it previously wasn't. Signed-off-by:
Chris Wedgwood <cw@f00f.org> Signed-off-by:
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Dominik Brodowski authored
Even though these 2.4. interfaces are already gone in Dave Jones' cpufreq bitkeeper tree, here's a patch which properly announces it in Documentation/feature-removal-schedule.txt: Add meaningful content concerning the removal of deprecated interfaces to the cpufreq core. Signed-off-by:
Dominik Brodowski <linux@brodo.de> Signed-off-by:
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Jan Kara authored
This fixes the entry in the MAINTAINERS file. I guess Marco agrees with such change as he's not doing a maintaince for some time.
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Adrian Bunk authored
The patch below makes some needlessly global code static. The most interesting part is that dquot_cachep can become static, since it isn't used outside of dquot.c . Signed-off-by:
Adrian Bunk <bunk@stusta.de> Acked-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Roland McGrath authored
When a thread stops for ptrace exit tracing, it cannot be resumed by SIGKILL. Once PF_EXITING is set, SIGKILL will not cause a wakeup from stop (see wants_signal in kernel/signal.c). This patch moves the ptrace stop for exit tracing before the setting of PF_EXITING. Signed-off-by:
Roland McGrath <roland@redhat.com> Signed-off-by:
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Roland McGrath authored
Upon reevaluation we think it is indeed safe to permit the race between a ptrace call and the traced thread waking up, as long as it will never get back to user mode. This patch makes SIGKILL wake up threads in TASK_TRACED. That alone resolves most of the deadlock issues that became possible with the introduction of TASK_TRACED, getting us back to the killing behavior of 2.6.8 and before. This patch also further cleans up ptrace detaching, so that threads are left in TASK_STOPPED only if a job control stop is actually in effect, and otherwise resume. This removes the past nuisances requiring a SIGCONT to resume a thread even when it had a pending SIGKILL. Signed-off-by:
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- 10 Jan, 2005 17 commits
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Chris Wright authored
- allow CAP_IPC_LOCK to override mlock rlimit during stack expansion as in all other cases Signed-off-by:
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Chris Wright authored
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bk://bk.arm.linux.org.uk/linux-2.6-rmkLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Richard Purdie authored
Patch from Richard Purdie The Sharp SL-C7xx series of PDAs (Corgi, Shepherd, Husky) don't set the machine type upon startup. Fixing this isn't possible as the devices have been produced and the bootloaders are in ROM. This header code detects the differences between them and sets the machine type accordingly. By doing this one kernel can support the series of PXA25x machines. The code also detects Poodle (Sharp SL-5600) which is also a PXA25x device allowing a common kernel to support that device as well. (The base machine code is under development for this device). Signed-off-by: Richard Purdie Signed-off-by: Russell King
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Richard Purdie authored
Patch from Richard Purdie Add base machine support for the Sharp SL-C7xx series of PDAs (Corgi - SL-C700, Shepherd - SL-C750 and Husky - SL-C760). See linux-arm-kernel for a support commitment for this code. Depends on 2370/1 (SCOOP Driver). Signed-off-by: Richard Purdie Signed-off-by: Russell King
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Richard Purdie authored
Patch from Richard Purdie Add common driver code for the SCOOP I/O interface found on various Sharp PDAs (Collie, Poodle and Corgi models). It will be used by both SA1100 and PXA machines. [A patch to update Collie to use this driver will follow.] Signed-off-by: Richard Purdie Signed-off-by: Russell King
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Ben Dooks authored
Patch from Ben Dooks Remove code for decoding LCD Frame/FIFO IRQs from the include/asm-arm/arch-s3c2410/entry-macro.S file. These are not currently implemented, and should be decoded by a chained IRQ handler from the irq code. Signed-off-by: Ben Dooks Signed-off-by: Russell King
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Ben Dooks authored
Patch from Ben Dooks If we read the INTPEND register and get the wrong result (details below) then it looks like a possible loop to go back and re-read it after calculating the possible correct value for it. It seems that the INTPEND register, which should show the unique number of the interrupt that we need to handle. However, it seems that this register can show the wrong interrupt under certain conditions. Shannon's research shows that it is very possible that the occurence of an external interrupt can end up merging with the base interrupt number, causing the wrong result in the register. This patch also fixes the end position of the #ifdef block and ensures as many registers as possible are stacked before calling printk() for debug. Original patch for 2.6.9 by Shannon Holland re-written for 2.6.10 by Ben Dooks. Signed-off-by: Shannon Holland Signed-off-by: Ben Dooks Signed-off-by: Russell King
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Ben Dooks authored
Patch from Ben Dooks This is an old definition, and is no longer used anywhere. Add a comment to that effect in the header file include/asm-arm/arch-s3c2410/timex.h and remove all other references. Thanks to Klaus Fetscher for pointing out that it isn't used anymore Signed-off-by: Ben Dooks Signed-off-by: Russell King
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Russell King authored
Signed-off-by:Russell King <rmk@arm.linux.org.uk>
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Roland McGrath authored
The __ptrace_unlink code that checks for TASK_TRACED fixed the problem of a thread being left in TASK_TRACED when no longer being ptraced. However, an oversight in the original fix made it fail to handle the case where the child is ptraced by its real parent. Fixed thus. Signed-off-by:
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Linus Torvalds authored
As Alan says: "The '1.8' version is for the Moxa mxser driver. Moxa haven't released any 2.6 driver for the ancient 'smartio' hardware" so the smartio driver stil remains valid. Cset exclude: james4765@gmail.com[torvalds]|ChangeSet|20050108220924|25457
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Tony Luck authored
David handed over the keys a few months ago. Time to make sure everyone knows to send stuff to me. Signed-off-by: -
bk://kernel.bkbits.net/gregkh/linux/i2c-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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bk://kernel.bkbits.net/gregkh/linux/usb-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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bk://kernel.bkbits.net/davem/net-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Greg Kroah-Hartman authored
into kroah.com:/home/greg/linux/BK/i2c-2.6
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