- 08 Jun, 2009 4 commits
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Jaswinder Singh Rajput authored
Make ioctl.h compatible with asm-generic/ioctl.h and userspace fix the following 'make headers_check' warning: usr/include/asm-mips/ioctl.h:64: extern's make no sense in userspace Signed-off-by:
Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Yoichi Yuasa authored
Signed-off-by:
Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Yoichi Yuasa authored
Signed-off-by:
Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Acked-by:
David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Original patch by Imre Kaloz <kaloz@openwrt.org>. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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- 22 May, 2009 3 commits
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Ralf Baechle authored
They are unneeded and as the issue fixed in lmo commit 63f7ec59053e3f850ab67a9938e631bcba64c6ce shows even harmful. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
CC arch/mips/sgi-ip32/ip32-reset.o cc1: warnings being treated as errors arch/mips/sgi-ip32/ip32-reset.c: In function 'debounce': arch/mips/sgi-ip32/ip32-reset.c:97: error: 'reg_a' is used uninitialized in this function The issues is old but due to the volatile keyword gcc older than 4.4 did not warn about this obvious bug. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Wu Zhangjin authored
The type of the second argument of access_ok should be (void __user *). The unnecessary conversion of the clear_user address argument was causing sparse to emit warnings on the __chk_user_ptr check. Signed-off-by:
Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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- 20 May, 2009 4 commits
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Greg Ungerer authored
The address range size calculation inside local_flush_tlb_kernel_range() is being truncated by a too small size variable holder on 64-bit systems. The truncated size can result in an erroneous tlbsize check that means we sit spinning inside a loop trying to flush a hige number of TLB entries. This is for all intents and purposes a system hang. Fix by using an appropriately sized valiable to hold the size. [Ralf: Greg's original patch submission identified the issue and fixed one instance in tlb-r4k.c but there there were several more. For consistency I also modified tlb-r3k.c even though that file is only used on 32-bit.] Signed-off-by:
Greg Ungerer <gerg@snapgear.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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peter fuerst authored
Richard Sandiford's new code for inserting the cache-barriers, for GCC 4.3 and above and already incorporated in the current GCC-release, uses a slightly different option-syntax. Signed-off-by:
peter fuerst <post@pfrst.de> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
The hang was caused by the use of disable_irq() from the interrupt handler itself. Fixed by the use of disable_irq_nosync(). The issue was triggered by: commit 3aa551c9 Author: Thomas Gleixner <tglx@linutronix.de> Date: Mon Mar 23 18:28:15 2009 +0100 genirq: add threaded interrupt handler support Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Andrew Randrianasulu authored
The hang was caused by the use of disable_irq() from the interrupt handler itself. Fixed by the use of disable_irq_nosync(). The issue was triggered by: commit 3aa551c9 Author: Thomas Gleixner <tglx@linutronix.de> Date: Mon Mar 23 18:28:15 2009 +0100 genirq: add threaded interrupt handler support Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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- 14 May, 2009 29 commits
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Thomas Bogendoerfer authored
Locking of irq_desc is now done in irq_set_affinity; don't lock it again in chip specific set_affinity function. Signed-off-by:
Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
When init is started it is SIGNAL_UNKILLABLE. If it were to get an address error, we would try to send it SIGBUS, but it would be ignored and the faulting instruction restarted. This results in an endless loop. We need to use force_sig() instead so it will actually die and give us some useful information. Reported-by:
Florian Fainelli <florian@openwrt.org> Signed-off-by:
David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Coly Li authored
This patch modifies parameter of octeon_cvmcount_read() from 'void' to 'struct clocksource *cs', which fixes compile warning for incompatible parameter type. Signed-off-by:
Coly Li <coly.li@suse.de> Cc: David Daney <ddaney@caviumnetworks.com> Cc: Ingo Molnar <mingo@elte.hu> Reviewed-by:
David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
The inline assembler used on 32-bit kernels was using the "h" constraint which was considered dangerous and removed for gcc 4.4.0. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Commit 35133692 (kernel.org) rsp. b3594a089f1c17ff919f8f78505c3f20e1f6f8ce (linux-mips.org): > From: Chris Dearman <chris@mips.com> > Date: Wed, 19 Sep 2007 00:58:24 +0100 > Subject: [PATCH] [MIPS] Allow setting of the cache attribute at run time. > > Slightly tacky, but there is a precedent in the sparc archirecture code. introduces the variable _page_cachable_default, which defaults to zero and. is used to create the prototype PTE for __kmap_atomic in arch/mips/mm/init.c:kmap_init before initialization in arch/mips/mm/c-r4k.c:coherency_setup, so the default value of 0 will be used as the CCA of kmap atomic pages which on many processors is not a defined CCA value and may result in writes to kmap_atomic pages getting corrupted. Debugged by Jon Fraser (jfraser@broadcom.com). Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Probably nobody does arithmetic on cp0 register values so this has never bitten. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Shane McDonald authored
The RAMROOT function was a successful but non-portable attempt to append the root filesystem to the end of the kernel image. The preferred and portable solution is to use an initramfs instead. Signed-off-by:
Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
I don't think that in 15 years of Linux/MIPS the zero division checking code generated by gcc by default has ever caught anything. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Otherwise indigestable options might be passed to the host compiler. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Shane McDonald authored
There have been a number of compile problems with the msp71xx configuration ever since it was included in the linux-mips.org repository. This patch resolves compilation problems with attempting to reset the board using non-existent GPIO routines. This patch has been compile-tested against the current HEAD. Signed-off-by:
Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Shane McDonald authored
There have been a number of compile problems with the msp71xx configuration ever since it was included in the linux-mips.org repository. This patch resolves the "multiple definition of plat_timer_setup" problem, and creates the required get_c0_compare_int function. This patch has been compile-tested against the current HEAD. Signed-off-by:
Shane McDonald <mcdonald.shane@gmail.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Thomas Bogendoerfer authored
There was already a define for NMI_OFFSET in asm/sn/addr.h, which now clashes with linux/hardirq.h. Rename the one in sn/addr.h to fix IP27 builds.. Signed-off-by:
Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Manuel Lauss authored
Fix breakage introduced by 8e19608e . Signed-off-by:
Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Beyond the requirements of the architecture standard Cavium also supports 8k and 32k pages. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Acked-by:
David Daney <ddaney@caviumnetworks.com>
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Atsushi Nemoto authored
Addition of -fwrapv option in 2.6.29 discloses possible overflow with signed arithmetics. For example, result of "a * 6 / 12" (int a = 400000000) is 200000000 without -fwrapv but -157913941 with -fwrapv. Change some variable to unsigned to avoid such overflows. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Atsushi Nemoto authored
Synchronize dma_map_page/dma_unmap_page and dma_map_single/dma_unmap_single. This will reduce unnecessary writebacks and invalidates. [Ralf: make dma_unmap_page an inline function.] Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
This is useful for IDT RC32332, RC32334 and NEC VR5500 processors which do not implement the full MIPS32 / MIPS64 architecture. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Zhang Le authored
Quoting from Loongson2FUserGuide.pdf: 5.22.1 Hazards The processor detects most of the pipeline hazards in hardware, including CP0 hazards and load hazards. No NOP instructions are required to correct instruction sequences. Signed-off-by:
Zhang Le <r0bertz@gentoo.org> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Atsushi Nemoto authored
The compat.h does not need seccomp.h since TIF_32BIT was moved to thread_info.h This fixes a build error of 64-bit kernel without CONFIG_SECCOMP. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by:
: David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Atsushi Nemoto authored
Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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David Daney authored
The LTP timerfd01 test is failing (blocking forever) on the 32-bit ABIs. We need to use the compat_* wrappers for these system calls. Signed-off-by:
David Daney <ddaney@caviumnetworks.com> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Introduced by 99aa5029937ee926e3b249369e208d7013cd381b. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Zhang Le authored
I have taken Wu Zhangjin's and Philippe Vachon's version as references, did a little modification and tested on 16K page size kernel. It works well. Unfornately although it already has defined cpu_has_dc_aliases as 1, 4k page size still not working. More work needed here. Signed-off-by:
Zhang Le <r0bertz@gentoo.org> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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