- 06 8月, 2012 2 次提交
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由 Xiao Guangrong 提交于
After commit a2766325, the error pfn is replaced by the error code, it need not be released anymore [ The patch has been compiling tested for powerpc ] Signed-off-by: NXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Takuya Yoshikawa 提交于
Two reasons: - x86 can integrate rmap and rmap_pde and remove heuristics in __gfn_to_rmap(). - Some architectures do not need rmap. Since rmap is one of the most memory consuming stuff in KVM, ppc'd better restrict the allocation to Book3S HV. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Acked-by: NPaul Mackerras <paulus@samba.org> Signed-off-by: NAvi Kivity <avi@redhat.com>
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- 01 8月, 2012 1 次提交
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由 Andrew Morton 提交于
Sanity: CONFIG_CGROUP_MEM_RES_CTLR -> CONFIG_MEMCG CONFIG_CGROUP_MEM_RES_CTLR_SWAP -> CONFIG_MEMCG_SWAP CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED -> CONFIG_MEMCG_SWAP_ENABLED CONFIG_CGROUP_MEM_RES_CTLR_KMEM -> CONFIG_MEMCG_KMEM [mhocko@suse.cz: fix missed bits] Cc: Glauber Costa <glommer@parallels.com> Acked-by: NMichal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Hugh Dickins <hughd@google.com> Cc: Tejun Heo <tj@kernel.org> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: David Rientjes <rientjes@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 31 7月, 2012 3 次提交
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由 Alexander Graf 提交于
Commit b38c77d8 moved the MTMSR_EERI macro from the KVM code to generic ppc_asm.h code. However, while adding it in the headers for the ppc32 case, it missed out to remove the former definition in the KVM code. This patch fixes compilation on server type PPC32 targets with CONFIG_KVM enabled. Signed-off-by: NAlexander Graf <agraf@suse.de> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Will Deacon 提交于
Rather than #define the options manually in the architecture code, add Kconfig options for them and select them there instead. This also allows us to select the compat IPC version parsing automatically for platforms using the old compat IPC interface. Reported-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NWill Deacon <will.deacon@arm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Catalin Marinas 提交于
Introduce CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE and use this instead of the multitude of #if defined() checks in atomic64_test.c Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 30 7月, 2012 6 次提交
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由 Marek Szyprowski 提交于
Commit 9adc5374 ('common: dma-mapping: introduce mmap method') added a generic method for implementing mmap user call to dma_map_ops structure. This patch converts ARM and PowerPC architectures (the only providers of dma_mmap_coherent/dma_mmap_writecombine calls) to use this generic dma_map_ops based call and adds a generic cross architecture definition for dma_mmap_attrs, dma_mmap_coherent, dma_mmap_writecombine functions. The generic mmap virt_to_page-based fallback implementation is provided for architectures which don't provide their own implementation for mmap method. Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: NKyungmin Park <kyungmin.park@samsung.com>
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由 Al Viro 提交于
releases what needs to be released after {kern,user}_path_create() Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
... and cleaning spufs_create() a bit, while we are at it 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
now that __fput() is *not* done in any callchain containing mmput(), we can do that... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 27 7月, 2012 9 次提交
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由 Steven Rostedt 提交于
As Colin Cross ported my x86 change to ARM, he also pointed out that powerpc is also behind in this fix. The commit 722b3c74 "ftrace/graph: Trace function entry before updating index" fixes an issue with function graph tracing for x86, where if the called entry function decides not to trace interrupts, it can fail the check if an interrupt comes in just after the curr_ret_stack is updated. The solution is to call the entry function first, then update the curr_ret_stack if the entry function wants to be traced. Cc: Colin Cross <ccross@android.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Anton Blanchard 提交于
Reduce the severity of the warning given when firmware flash is not supported. Not all platforms have it. Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Anton Blanchard 提交于
Enable the hardware RNG and crypto modules. I verified they both autoload via the VIO subsystem, so there is no need to build them in. Signed-off-by: NAnton Blanchard <anton@samba.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Benjamin Herrenschmidt 提交于
This updates the g5 defconfig to include nouveau instead of nvidiafb (which works much better nowadays, in fact the latter crashes on modern distros), and to set CONFIG_VT_HW_CONSOLE_BINDING without which takeover from the firmware offb by nouveau doesn't work properly (and leads to unexplained black screens for some users). The rest is churn of going through defconfig / savedefconfig Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Alexander Graf 提交于
After merging the register type check patches from Ben's tree, the hv enabled booke implementation ceased to compile. This patch fixes things up so everyone's happy again. Signed-off-by: NAlexander Graf <agraf@suse.de> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stuart Yoder 提交于
Commit 9778b696 incorrectly changes the code setting the stack limit on entry to the kernel to mark the thread_info at the bottom of the stack out of bounds anymore. This fixes it. Signed-off-by: NStuart Yoder <stuart.yoder@freescale.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Timur Tabi 提交于
In order for indirect mode on the PIXIS to work properly, both chip selects need to be set to GPCM mode, otherwise writes to the chip select base addresses will not actually post to the local bus -- they'll go to the NAND controller instead. Therefore, we need to set BR0 and BR1 to GPCM mode before switching to indirect mode. Signed-off-by: NTimur Tabi <timur@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Timur Tabi 提交于
The Freescale P1022 has a unique pin muxing "feature" where the DIU video controller's video signals are muxed with 24 of the local bus address signals. When the DIU is enabled, the bulk of the local bus is disabled, preventing access to memory-mapped devices like NAND flash and the pixis FPGA. Therefore, if the DIU is going to be enabled, then memory-mapped devices on the localbus, like NAND flash, need to be disabled. This patch is similar to "powerpc/85xx: p1022ds: disable the NOR flash node if video is enabled", except that it disables the NAND flash node instead. This PIXIS node needs to remain enabled because it is used by platform code to switch into indirect mode. Signed-off-by: NTimur Tabi <timur@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Claudiu Manoil 提交于
The sram_offset parameter represents a physical address and should be of type phys_addr_t. As part of this fix, the extraction of sram_params is being cleaned-up and fixed. This patch fixes now the case when the offset value of 0xfff00000 was being rejected by the driver (returning -EINVAL), although this is a valid offset value. Signed-off-by: NTang Yuantian <Yuantian.Tang@freescale.com> Signed-off-by: NClaudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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- 26 7月, 2012 2 次提交
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由 Shaohui Xie 提交于
Default CoreNet Coherency Bus (CCB) frequency on P3041 is 750MHz, but espi cannot work at 40MHz with this CCB frequency, so we need to slow down the clock rate of espi to 35MHz to make it work stable at the CCB frequency. Signed-off-by: NShaohui Xie <Shaohui.Xie@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Tang Yuantian 提交于
Signed-off-by: NTang Yuantian <Yuantian.Tang@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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- 24 7月, 2012 1 次提交
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由 Cong Wang 提交于
Signed-off-by: NCong Wang <amwang@redhat.com>
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- 23 7月, 2012 4 次提交
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由 Benjamin Herrenschmidt 提交于
The current mpic code creates a linear revmap just big enough for all the sources, which happens to miss the IPIs and timers on some machines. This will in turn break when the irqdomain code loses the fallback of doing a linear search when the revmap fails (and really slows down IPIs otherwise). This happens for example on the U4 based Apple machines such as the dual core PowerMac G5s. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Benjamin Herrenschmidt 提交于
Commit 9778b696 accidentally added a .rej file (probably my fault), remove it. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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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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- 20 7月, 2012 1 次提交
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由 Xiao Guangrong 提交于
The parameter, 'kvm', is not used in gfn_to_pfn_memslot, we can happily remove it Signed-off-by: NXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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- 19 7月, 2012 3 次提交
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由 Takuya Yoshikawa 提交于
When we tested KVM under memory pressure, with THP enabled on the host, we noticed that MMU notifier took a long time to invalidate huge pages. Since the invalidation was done with mmu_lock held, it not only wasted the CPU but also made the host harder to respond. This patch mitigates this by using kvm_handle_hva_range(). Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Cc: Alexander Graf <agraf@suse.de> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Takuya Yoshikawa 提交于
When guest's memory is backed by THP pages, MMU notifier needs to call kvm_unmap_hva(), which in turn leads to kvm_handle_hva(), in a loop to invalidate a range of pages which constitute one huge page: for each page for each memslot if page is in memslot unmap using rmap This means although every page in that range is expected to be found in the same memslot, we are forced to check unrelated memslots many times. If the guest has more memslots, the situation will become worse. Furthermore, if the range does not include any pages in the guest's memory, the loop over the pages will just consume extra time. This patch, together with the following patches, solves this problem by introducing kvm_handle_hva_range() which makes the loop look like this: for each memslot for each page in memslot unmap using rmap In this new processing, the actual work is converted to a loop over rmap which is much more cache friendly than before. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Cc: Alexander Graf <agraf@suse.de> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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由 Takuya Yoshikawa 提交于
This restricts hva handling in mmu code and makes it easier to extend kvm_handle_hva() so that it can treat a range of addresses later in this patch series. Signed-off-by: NTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Cc: Alexander Graf <agraf@suse.de> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
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- 13 7月, 2012 2 次提交
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由 Benjamin Herrenschmidt 提交于
The iommu pool patch has a bug where it would cause a crash when using only one pool (based on the size of the DMA window). Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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Function eeh_event_handler() dereferences the pointer returned by handle_eeh_events() without checking, causing a crash if NULL was returned, which is expected in some situations. This patch fixes this bug by checking for the value returned by handle_eeh_events() before dereferencing it. Signed-off-by: NKleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> CC: stable@vger.kernel.org [v3.4+]
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- 12 7月, 2012 1 次提交
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由 Jia Hongtao 提交于
In SGMII riser card different PHY chip are used with different external IRQ from eTSEC. To support PHY link state auto detect in SGMII mode we should add another group of PHY nodes for SGMII mode. For MPC8572DS IRQ6 is used for PHY0~PHY1, IRQ7 is used for PHY2~PHY3. For MPC8544DS and MPC8536DS IRQ6 is used for PHY0~PHY1. For P2020DS IRQ5 is used for PHY1~PHY2. Signed-off-by: NLi Yang <leoli@freescale.com> Signed-off-by: NJia Hongtao <B38951@freescale.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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- 11 7月, 2012 5 次提交
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由 Bharat Bhushan 提交于
rfci instruction and CSRR0/1 registers are emulated. Signed-off-by: NScott Wood <scottwood@freescale.com> Signed-off-by: NStuart Yoder <stuart.yoder@freescale.com> Signed-off-by: NBharat Bhushan <bharat.bhushan@freescale.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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由 Mihai Caraman 提交于
tlbilxva emulation was using an u32 variable for guest effective address. Replace it with gva_t type to handle 64-bit guests. Signed-off-by: NMihai Caraman <mihai.caraman@freescale.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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由 Mihai Caraman 提交于
64-bit host needs to remain in 64-bit mode when an exception take place. Set interrupt computaion mode in EPCR register. Signed-off-by: NMihai Caraman <mihai.caraman@freescale.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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由 Mihai Caraman 提交于
ESR register is required by Data Storage Interrupt handling code. Add the specific flag to the interrupt handler. Signed-off-by: NMihai Caraman <mihai.caraman@freescale.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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由 Varun Sethi 提交于
Add support for std/ld emulation. Signed-off-by: NVarun Sethi <Varun.Sethi@freescale.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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