- 15 10月, 2012 2 次提交
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由 Al Viro 提交于
Move that sucker to just before TI_FPDEPTH and replace stb with sth in etrap_save(). Take current_ds to its old place, so that we don't push wsaved into TI_... flags. That allows to lose clearing syscall_noerror on return from syscall. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Matt Fleming 提交于
The hostprogs need access to the CONFIG_* symbols found in include/generated/autoconf.h. But commit abbf1590 ("UAPI: Partition the header include path sets and add uapi/ header directories") replaced $(LINUXINCLUDE) with $(USERINCLUDE) which doesn't contain the necessary include paths. This has the undesirable effect of breaking the EFI boot stub because the #ifdef CONFIG_EFI_STUB code in arch/x86/boot/tools/build.c is never compiled. It should also be noted that because $(USERINCLUDE) isn't exported by the top-level Makefile it's actually empty in arch/x86/boot/Makefile. Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NMatt Fleming <matt.fleming@intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 14 10月, 2012 2 次提交
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由 Russell King 提交于
The large platform selection choice should be sorted by option string so it's easy to find the platform you're looking for. Fix the few options which are out of this order. Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Russell King 提交于
As suggested by Andrew Morton: This is a pet peeve of mine. Any time there's a long list of items (header file inclusions, kconfig entries, array initalisers, etc) and someone wants to add a new item, they *always* go and stick it at the end of the list. Guys, don't do this. Either put the new item into a randomly-chosen position or, probably better, alphanumerically sort the list. lets sort all our select statements alphanumerically. This commit was created by the following perl: while (<>) { while (/\\\s*$/) { $_ .= <>; } undef %selects if /^\s*config\s+/; if (/^\s+select\s+(\w+).*/) { if (defined($selects{$1})) { if ($selects{$1} eq $_) { print STDERR "Warning: removing duplicated $1 entry\n"; } else { print STDERR "Error: $1 differently selected\n". "\tOld: $selects{$1}\n". "\tNew: $_\n"; exit 1; } } $selects{$1} = $_; next; } if (%selects and (/^\s*$/ or /^\s+help/ or /^\s+---help---/ or /^endif/ or /^endchoice/)) { foreach $k (sort (keys %selects)) { print "$selects{$k}"; } undef %selects; } print; } if (%selects) { foreach $k (sort (keys %selects)) { print "$selects{$k}"; } } It found two duplicates: Warning: removing duplicated S5P_SETUP_MIPIPHY entry Warning: removing duplicated HARDIRQS_SW_RESEND entry and they are identical duplicates, hence the shrinkage in the diffstat of two lines. We have four testers reporting success of this change (Tony, Stephen, Linus and Sekhar.) Acked-by: NJason Cooper <jason@lakedaemon.net> Acked-by: NTony Lindgren <tony@atomide.com> Acked-by: NStephen Warren <swarren@nvidia.com> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Acked-by: NSekhar Nori <nsekhar@ti.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 13 10月, 2012 6 次提交
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由 Jeff Layton 提交于
getname() is intended to copy pathname strings from userspace into a kernel buffer. The result is just a string in kernel space. It would however be quite helpful to be able to attach some ancillary info to the string. For instance, we could attach some audit-related info to reduce the amount of audit-related processing needed. When auditing is enabled, we could also call getname() on the string more than once and not need to recopy it from userspace. This patchset converts the getname()/putname() interfaces to return a struct instead of a string. For now, the struct just tracks the string in kernel space and the original userland pointer for it. Later, we'll add other information to the struct as it becomes convenient. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Chris Metcalf 提交于
All the called functions expect interrupts to be enabled, and now one of them has started to warn about it, so make it correct. Signed-off-by: NChris Metcalf <cmetcalf@tilera.com>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
* allow kernel_execve() leave the actual return to userland to caller (selected by CONFIG_GENERIC_KERNEL_EXECVE). Callers updated accordingly. * architecture that does select GENERIC_KERNEL_EXECVE in its Kconfig should have its ret_from_kernel_thread() do this: call schedule_tail call the callback left for it by copy_thread(); if it ever returns, that's because it has just done successful kernel_execve() jump to return from syscall IOW, its only difference from ret_from_fork() is that it does call the callback. * such an architecture should also get rid of ret_from_kernel_execve() and __ARCH_WANT_KERNEL_EXECVE This is the last part of infrastructure patches in that area - from that point on work on different architectures can live independently. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 12 10月, 2012 10 次提交
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由 Konrad Rzeszutek Wilk 提交于
We actually do not do anything about it. Just return a default value of zero and if the kernel tries to write anything but 0 we BUG_ON. This fixes the case when an user tries to suspend the machine and it blows up in save_processor_state b/c 'read_cr8' is set to NULL and we get: kernel BUG at /home/konrad/ssd/linux/arch/x86/include/asm/paravirt.h:100! invalid opcode: 0000 [#1] SMP Pid: 2687, comm: init.late Tainted: G O 3.6.0upstream-00002-gac264ac-dirty #4 Bochs Bochs RIP: e030:[<ffffffff814d5f42>] [<ffffffff814d5f42>] save_processor_state+0x212/0x270 .. snip.. Call Trace: [<ffffffff810733bf>] do_suspend_lowlevel+0xf/0xac [<ffffffff8107330c>] ? x86_acpi_suspend_lowlevel+0x10c/0x150 [<ffffffff81342ee2>] acpi_suspend_enter+0x57/0xd5 CC: stable@vger.kernel.org Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 Konrad Rzeszutek Wilk 提交于
The hypervisor will trap it. However without this patch, we would crash as the .read_tscp is set to NULL. This patch fixes it and sets it to the native_read_tscp call. CC: stable@vger.kernel.org Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 David Howells 提交于
Signed-off-by: NDavid Howells <dhowells@redhat.com> Acked-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NMichael Kerrisk <mtk.manpages@gmail.com> Acked-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: NDave Jones <davej@redhat.com>
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由 Jason Wessel 提交于
When compiling without CONFIG_DEBUG_RODATA the following compiler warning is generated: arch/x86/kernel/kgdb.c: In function 'kgdb_arch_set_breakpoint': arch/x86/kernel/kgdb.c:749: warning: unused variable 'opc' The variable instantiation needs to be inside the #ifdef to make the warning go away. Reported-by: NThiago Rafael Becker <trbecker@trbecker.org> Signed-off-by: NJason Wessel <jason.wessel@windriver.com>
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由 Jason Wessel 提交于
This fault was detected using the kgdb test suite on boot and it crashes recursively due to the fact that CONFIG_KPROBES on mips adds an extra die notifier in the page fault handler. The crash signature looks like this: kgdbts:RUN bad memory access test KGDB: re-enter exception: ALL breakpoints killed Call Trace: [<807b7548>] dump_stack+0x20/0x54 [<807b7548>] dump_stack+0x20/0x54 The fix for now is to have kgdb return immediately if the fault type is DIE_PAGE_FAULT and allow the kprobe code to decide what is supposed to happen. Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: David S. Miller <davem@davemloft.net> Cc: <stable@vger.kernel.org> Signed-off-by: NJason Wessel <jason.wessel@windriver.com>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
... and now the asm glue side of that. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
It's needed only in setup_sigcontext() and it's always reg - <constant>; no point passing it all way down through the call chain. This is just the signal.c side of that stuff; next will come the asm glue one... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Turn the slow side of work_pending into C function, including all the looping. What we get out of that: * we do _not_ call get_signal_to_deliver() with IRQs disabled anymore * no need to save/restore volatiles on each pass if there turns to be more than one (unlikely, but still) * all double-restart prevention is in C now. * glue gets simpler. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
In case we have both NEED_RESCHED and SIGPENDING/NOTIFY_RESUME, handle the latter first. We'll get to original priorities in the next commit, but now that allows to simplify the treatment of NEED_RESCHED-only case nicely. Namely, now there no need to preserve the data for restarts across the call of schedule() in $work_resched; we can get there only if we had either returned from syscall without SIGPENDING (in which case we should've had no restart-worthy return value and want no restarts) or already got through do_notify_resume() call (in which case we want no restarts anymore). So we can just slap 0 into $19 instead of preserving it (and $20). Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 11 10月, 2012 20 次提交
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由 David Howells 提交于
Signed-off-by: NDavid Howells <dhowells@redhat.com> Acked-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NThomas Gleixner <tglx@linutronix.de> Acked-by: NMichael Kerrisk <mtk.manpages@gmail.com> Acked-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: NDave Jones <davej@redhat.com>
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由 Catalin Marinas 提交于
This patch adds #ifdef __KERNEL__ guards around the COMPAT_* definitions to avoid exporting them to user. AArch32 user requiring the kernel headers must use those generated with ARCH=arm. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Acked-by: NWill Deacon <will.deacon@arm.com>
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由 Catalin Marinas 提交于
This patch only includes asm/unistd32.h where necessary and removes its inclusion in the asm/unistd.h file. The __SYSCALL_COMPAT guard is dropped. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Acked-by: NWill Deacon <will.deacon@arm.com>
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由 Catalin Marinas 提交于
This patch removes the compat __NR_* definitions from the unistd32.h file and only keeps those that are used by the AArch64 kernel with a new __NR_compat_* prefix. The additional wrapper definitions in arch/arm64/kernel/sys32.S have been removed and the actual wrapper names included in the asm/unistd32.h file. Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Acked-by: NWill Deacon <will.deacon@arm.com>
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由 Gong Tao 提交于
or1k_pic_mask_ack was failing to actually mask the IRQ. Signed-off-by: NGong Tao <gongtao0607@gmail.com> Signed-off-by: NJonas Bonn <jonas@southpole.se>
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由 Jonas Bonn 提交于
Signed-off-by: NJonas Bonn <jonas@southpole.se>
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由 Jonas Bonn 提交于
Now that IRQ domains are in use, we should be acting on domain-local IRQ numbers (hwirq) instead of 'global' ones. Signed-off-by: NJonas Bonn <jonas@southpole.se>
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由 Vladimir Murzin 提交于
Make cpu_relax() invoke barrier() to be the same as other arches. Signed-off-by: NVladimir Murzin <murzin.v@gmail.com> Signed-off-by: NJonas Bonn <jonas@southpole.se>
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由 Thomas Bogendoerfer 提交于
The new SCCNXP driver supports the SC2681 chips used in RM400 machines. We now use the new driver instead of the old SC26xx driver. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4417/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
LD arch/mips/pci/built-in.o WARNING: arch/mips/pci/built-in.o(.devinit.text+0x2a0): Section mismatch in reference from the function malta_piix_func0_fixup() to the variable .init.data:pci_irq The function __devinit malta_piix_func0_fixup() references a variable __initdata pci_irq. If pci_irq is only used by malta_piix_func0_fixup then annotate pci_irq with a matching annotation. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Originally added in 05b541489c48e7fbeec19a92acf8683230750d0a [Merge with Linux 2.5.5.] over 10 years ago but never been used. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Manuel Lauss 提交于
The PB1100/1500 are similar to their DB-cousins but with a few more devices on the bus. This patch adds PB1100/1500 support to the existing DB1100/1500 code. Signed-off-by: NManuel Lauss <manuel.lauss@gmail.com> Cc: lnux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4338/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Manuel Lauss 提交于
The PB1550 is more or less a DB1550 without the PCI IDE controller, a more complicated (read: configurable) Flash setup and some other minor changes. Like the DB1550 it can be automatically detected by reading the CPLD ID register bits. This patch adds PB1550 detection and setup to the DB1550 code. Signed-off-by: NManuel Lauss <manuel.lauss@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4337/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Manuel Lauss 提交于
Combine support for the DB1200/PB1200, DB1300 and DB1550 boards into a single kernel image. defconfig-generated image verified on DB1200, DB1300 and DB1550. Signed-off-by: NManuel Lauss <manuel.lauss@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4335/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 David Daney 提交于
We don't have to do a separate shift to eliminate the software bits, just rotate them into the fill and they will be ignored. Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4294/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
The number of %s was just getting ridiculous. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Ralf Baechle 提交于
Most supported systems currently hardwire cpu_has_dsp to 0, so we also can disable support for cpu_has_dsp2 resulting in a slightly smaller kernel. Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Steven J. Hill 提交于
[ralf@linux-mips.org: This patch really only detects the ASE and passes its existence on to userland via /proc/cpuinfo. The DSP ASE Rev 2. adds new resources but no resources that would need management by the kernel.] Signed-off-by: NSteven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4165/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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