- 07 8月, 2014 1 次提交
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由 Lee, Chun-Yi 提交于
When the machine doesn't well handle the e820 persistent when hibernate resuming, then it may cause page fault when writing image to snapshot buffer: [ 17.929495] BUG: unable to handle kernel paging request at ffff880069d4f000 [ 17.933469] IP: [<ffffffff810a1cf0>] load_image_lzo+0x810/0xe40 [ 17.933469] PGD 2194067 PUD 77ffff067 PMD 2197067 PTE 0 [ 17.933469] Oops: 0002 [#1] SMP ... The ffff880069d4f000 page is in e820 reserved region of resume boot kernel: [ 0.000000] BIOS-e820: [mem 0x0000000069d4f000-0x0000000069e12fff] reserved ... [ 0.000000] PM: Registered nosave memory: [mem 0x69d4f000-0x69e12fff] So snapshot.c mark the pfn to forbidden pages map. But, this page is also in the memory bitmap in snapshot image because it's an original page used by image kernel, so it will also mark as an unsafe(free) page in prepare_image(). That means the page in e820 when resuming mark as "forbidden" and "free", it causes get_buffer() treat it as an allocated unsafe page. Then snapshot_write_next() return this page to load_image, load_image writing content to this address, but this page didn't really allocated . So, we got page fault. Although the root cause is from BIOS, I think aggressive check and significant message in kernel will better then a page fault for issue tracking, especially when serial console unavailable. This patch adds code in mark_unsafe_pages() for check does free pages in nosave region. If so, then it print message and return fault to stop whole S4 resume process: [ 8.166004] PM: Image loading progress: 0% [ 8.658717] PM: 0x6796c000 in e820 nosave region: [mem 0x6796c000-0x6796cfff] [ 8.918737] PM: Read 2511940 kbytes in 1.04 seconds (2415.32 MB/s) [ 8.926633] PM: Error -14 resuming [ 8.933534] PM: Failed to load hibernation image, recovering. Reviewed-by: NTakashi Iwai <tiwai@suse.de> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NLee, Chun-Yi <jlee@suse.com> [rjw: Subject] Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 29 7月, 2014 7 次提交
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由 Joerg Roedel 提交于
When a memory bitmap is fully populated on a large memory machine (several TB of RAM) it can take more than a minute to walk through all bits. This causes the soft lockup detector on these machine to report warnings. Avoid this by touching the soft lockup watchdog in the memory bitmap walking code. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Joerg Roedel 提交于
The radix tree implementatio is proved to work the same as the old implementation now. So the old implementation can be removed to finish the switch to the radix tree for the memory bitmaps. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Joerg Roedel 提交于
The existing implementation of swsusp_free iterates over all pfns in the system and checks every bit in the two memory bitmaps. This doesn't scale very well with large numbers of pfns, especially when the bitmaps are not populated very densly. Change the algorithm to iterate over the set bits in the bitmaps instead to make it scale better in large memory configurations. Also add a memory_bm_clear_current() helper function that clears the bit for the last position returned from the memory bitmap. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Joerg Roedel 提交于
Add code to remember the last position that was requested in the radix tree. Use it as a cache for faster linear walking of the bitmap in the memory_bm_rtree_next_pfn() function which is also added with this patch. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Joerg Roedel 提交于
Add a function to find a bit in the radix tree for a given pfn. Also add code to the memory bitmap wrapper functions to use the radix tree together with the existing memory bitmap implementation. On read accesses compare the results of both bitmaps to make sure the radix tree behaves the same way. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Joerg Roedel 提交于
This patch adds the code to allocate and build the radix tree to store the memory bitmap. The old data structure is left in place until the radix tree implementation is finished. Signed-off-by: NJoerg Roedel <jroedel@suse.de> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Randy Dunlap 提交于
Fix kernel-doc warnings in drivers/base/power/main.c: Warning(..//drivers/base/power/main.c:473): No description found for parameter 'async' Warning(..//drivers/base/power/main.c:601): No description found for parameter 'async' Warning(..//drivers/base/power/main.c:1012): No description found for parameter 'async' Warning(..//drivers/base/power/main.c:1151): No description found for parameter 'async' Warning(..//drivers/base/power/main.c:1305): No description found for parameter 'info' Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 23 7月, 2014 1 次提交
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由 Rafael J. Wysocki 提交于
After the introduction of freeze_ops it makes more sense to move all of the platform suspend operations to separate functions that each will do all of the necessary checks and choose the right callback to execute istead of doing all that in the core code which makes it generally harder to follow. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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- 21 7月, 2014 10 次提交
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由 Rafael J. Wysocki 提交于
Simplify the sleep states sysfs interface /sys/power/state code by redefining pm_states[] as an array of pointers to constant strings such that only the entries corresponding to valid states are set. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging由 Linus Torvalds 提交于
Pull more IIO driver fixes from Greg KH: "Here are two IIO driver fixes for 3.16-rc6 that resolve some reported issues" * tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio: mma8452: Use correct acceleration units. iio:core: Handle error when mask type is not separate
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb由 Linus Torvalds 提交于
Pull USB fixes from Greg KH: "Here are two USB patches that resolve some reported issues, one with an odd HUB, and one in the chipidea driver" * tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: Check if port status is equal to RxDetect usb: chipidea: udc: Disable auto ZLP generation on ep0
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由 Linus Torvalds 提交于
Merge tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "Here is a single driver core fix that reverts an older patch that has been causing a number of reported problems with the platform devices. This revert has been in linux-next for a while with no reported issues" * tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: platform_get_irq: Revert to platform_get_resource if of_irq_get fails
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc由 Linus Torvalds 提交于
Pull char/misc fix from Greg KH: "Here's a single hyper-v driver fix for a reported issue" * tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Drivers: hv: hv_fcopy: fix a race condition for SMP guest
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull intel drm fixes from Dave Airlie: "Intel fixes came in late, but since I debugged one of them I'll send them on, Two reverts, a quirk and one warn regression" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: Revert "drm/i915: reverse dp link param selection, prefer fast over wide again" drm/i915: Track the primary plane correctly when reassigning planes drm/i915: Ignore VBT backlight presence check on HP Chromebook 14 Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml由 Linus Torvalds 提交于
Pull UML fixes from Richard Weinberger: "Four fixes, all discovered by Trinity" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: segv: Save regs only in case of a kernel mode fault um: Fix hung task in fix_range_common() um: Ensure that a stub page cannot get unmapped Revert "um: Fix wait_stub_done() error handling"
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs由 Linus Torvalds 提交于
Pull btrfs fixes from Chris Mason: "We have two more fixes in my for-linus branch. I was hoping to also include a fix for a btrfs deadlock with compression enabled, but we're still nailing that one down" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: test for valid bdev before kobj removal in btrfs_rm_device Btrfs: fix abnormal long waiting in fsync
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git://git.linux-nfs.org/projects/trondmy/linux-nfs由 Linus Torvalds 提交于
Pull NFS client fixes from Trond Myklebust: "Apologies for the relative lateness of this pull request, however the commits fix some issues with the NFS read/write code updates in 3.16-rc1 that can cause serious Oopsing when using small r/wsize. The delay was mainly due to extra testing to make sure that the fixes behave correctly. Highlights include; - Stable fix for an NFSv3 posix ACL regression - Multiple fixes for regressions to the NFS generic read/write code: - Fix page splitting bugs that come into play when a small rsize/wsize read/write needs to be sent again (due to error conditions or page redirty) - Fix nfs_wb_page_cancel, which is called by the "invalidatepage" method - Fix 2 compile warnings about unused variables - Fix a performance issue affecting unstable writes" * tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: Don't reset pg_moreio in __nfs_pageio_add_request NFS: Remove 2 unused variables nfs: handle multiple reqs in nfs_wb_page_cancel nfs: handle multiple reqs in nfs_page_async_flush nfs: change find_request to find_head_request nfs: nfs_page should take a ref on the head req nfs: mark nfs_page reqs with flag for extra ref nfs: only show Posix ACLs in listxattr if actually present
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- 20 7月, 2014 11 次提交
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由 Richard Weinberger 提交于
...otherwise me lose user mode regs and the resulting stack trace is useless. Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Richard Weinberger 提交于
If do_ops() fails we have to release current->mm->mmap_sem otherwise the failing task will never terminate. Reported-by: NToralf Förster <toralf.foerster@gmx.de> Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Richard Weinberger 提交于
Trinity discovered an execution path such that a task can unmap his stub page. Reported-by: NToralf Förster <toralf.foerster@gmx.de> Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Richard Weinberger 提交于
This reverts commit 0974a9ca. The real for for that issue is to release current->mm->mmap_sem in fix_range_common(). Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Eric Sandeen 提交于
commit 99994cde btrfs: dev delete should remove sysfs entry added a btrfs_kobj_rm_device, which dereferences device->bdev... right after we check whether device->bdev might be NULL. I don't honestly know if it's possible to have a NULL device->bdev here, but assuming that it is (given the test), we need to move the kobject removal to be under that test. (Coverity spotted this) Signed-off-by: NEric Sandeen <sandeen@redhat.com> Signed-off-by: NChris Mason <clm@fb.com>
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由 Liu Bo 提交于
xfstests generic/127 detected this problem. With commit 7fc34a62, now fsync will only flush data within the passed range. This is the cause of the above problem, -- btrfs's fsync has a stage called 'sync log' which will wait for all the ordered extents it've recorded to finish. In xfstests/generic/127, with mixed operations such as truncate, fallocate, punch hole, and mapwrite, we get some pre-allocated extents, and mapwrite will mmap, and then msync. And I find that msync will wait for quite a long time (about 20s in my case), thanks to ftrace, it turns out that the previous fallocate calls 'btrfs_wait_ordered_range()' to flush dirty pages, but as the range of dirty pages may be larger than 'btrfs_wait_ordered_range()' wants, there can be some ordered extents created but not getting corresponding pages flushed, then they're left in memory until we fsync which runs into the stage 'sync log', and fsync will just wait for the system writeback thread to flush those pages and get ordered extents finished, so the latency is inevitable. This adds a flush similar to btrfs_start_ordered_extent() in btrfs_wait_logged_extents() to fix that. Reviewed-by: NMiao Xie <miaox@cn.fujitsu.com> Signed-off-by: NLiu Bo <bo.li.liu@oracle.com> Signed-off-by: NChris Mason <clm@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull locking fixes from Thomas Gleixner: "The locking department delivers: - A rather large and intrusive bundle of fixes to address serious performance regressions introduced by the new rwsem / mcs technology. Simpler solutions have been discussed, but they would have been ugly bandaids with more risk than doing the right thing. - Make the rwsem spin on owner technology opt-in for architectures and enable it only on the known to work ones. - A few fixes to the lockdep userspace library" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER locking/mutex: Disable optimistic spinning on some architectures locking/rwsem: Reduce the size of struct rw_semaphore locking/rwsem: Rename 'activity' to 'count' locking/spinlocks/mcs: Micro-optimize osq_unlock() locking/spinlocks/mcs: Introduce and use init macro and function for osq locks locking/spinlocks/mcs: Convert osq lock to atomic_t to reduce overhead locking/spinlocks/mcs: Rename optimistic_spin_queue() to optimistic_spin_node() locking/rwsem: Allow conservative optimistic spinning when readers have lock tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire tools/liblockdep: Remove debug print left over from development tools/liblockdep: Fix comparison of a boolean value with a value of 2
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull scheduler fix from Thomas Gleixner: "Prevent a possible divide by zero in the debugging code" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix possible divide by zero in avg_atom() calculation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq fixes from Thomas Gleixner: "Three patches addressing shortcomings in the ARM gic interrupt chip driver" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: gic: Fix core ID calculation when topology is read from DT irqchip: gic: Add binding probe for ARM GIC400 irqchip: gic: Add support for cortex a7 compatible string
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull timer fix from Thomas Gleixner: "A single fix for a long standing issue in the alarm timer subsystem, which was noticed recently when people finally started to use alarm timers for serious work" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: alarmtimer: Fix bug where relative alarm timers were treated as absolute
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull RCU fixes from Thomas Gleixner: "Two RCU patches: - Address a serious performance regression on open/close caused by commit ac1bea85 ("Make cond_resched() report RCU quiescent states") - Export RCU debug functions. Not a regression, but enablement to address a serious recursion bug in the sl*b allocators in 3.17" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rcu: Reduce overhead of cond_resched() checks for RCU rcu: Export debug_init_rcu_head() and and debug_init_rcu_head()
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- 19 7月, 2014 10 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Olof Johansson: "A smaller set of fixes this week, and all regression fixes: - a handful of issues fixed on at91 with common clock conversion - a set of fixes for Marvell mvebu (SMP, coherency, PM) - a clock fix for i.MX6Q. - ... and a SMP/hotplug fix for Exynos" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: EXYNOS: Fix core ID used by platsmp and hotplug code ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi ARM: at91: at91sam9x5: correct typo error for ohci clock ARM: clk-imx6q: parent lvds_sel input from upstream clock gates ARM: mvebu: Fix coherency bus notifiers by using separate notifiers ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian
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git://anongit.freedesktop.org/drm-intel由 Dave Airlie 提交于
But in any case nothing really shocking in here, 2 reverts, 1 quirk and a regression fix a WARN. * tag 'drm-intel-fixes-2014-07-18' of git://anongit.freedesktop.org/drm-intel: Revert "drm/i915: reverse dp link param selection, prefer fast over wide again" drm/i915: Track the primary plane correctly when reassigning planes drm/i915: Ignore VBT backlight presence check on HP Chromebook 14 Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 fixes from Peter Anvin: "A couple of key fixes and a few less critical ones. The main ones are: - add a .bss section to the PE/COFF headers when building with EFI stub - invoke the correct paravirt magic when building the espfix page tables Unfortunately both of these areas also have at least one additional fix each still in thie pipeline, but which are not yet ready to push" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Remove unused variable "polling" x86/espfix/xen: Fix allocation of pages for paravirt page tables x86/efi: Include a .bss section within the PE/COFF headers efi: fdt: Do not report an error during boot if UEFI is not available efi/arm64: efistub: remove local copy of linux_banner
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
Pull infiniband/rdma fixes from Roland Dreier: - cxgb4 hardware driver regression fixes - mlx5 hardware driver regression fixes * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/mlx5: Enable "block multicast loopback" for kernel consumers RDMA/cxgb4: Call iwpm_init() only once mlx5_core: Fix possible race between mr tree insert/delete RDMA/cxgb4: Initialize the device status page RDMA/cxgb4: Clean up connection on ARP error RDMA/cxgb4: Fix skb_leak in reject_cr()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging由 Linus Torvalds 提交于
Pull hwmon fixes from Guenter Roeck: "More fallout from module tests and code inspection. Fixes to temperature limit write operations in adt7470 driver. Also, dashes are not allowed in hwmon 'name' attributes. Fix drivers where necessary" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (adt7470) Fix writes to temperature limit registers hwmon: (da9055) Don't use dash in the name attribute hwmon: (da9052) Don't use dash in the name attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu由 Linus Torvalds 提交于
Pull iommu fixes from Joerg Roedel: "A couple of fixes for the Freescale PAMU driver queued up: - fix PAMU window size check. - fix the device domain attach condition. - fix the error condition during iommu group" * tag 'iommu-fixes-v3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/fsl: Fix the error condition during iommu group iommu/fsl: Fix the device domain attach condition. iommu/fsl: Fix PAMU window size check.
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull ACPI and power management fixes from Rafael Wysocki: "These are a few recent regression fixes, a revert of the ACPI video commit I promised, a system resume fix related to request_firmware(), an ACPI video quirk for one more Win8-oriented BIOS, an ACPI device enumeration documentation update and a few fixes for ARM cpufreq drivers. Specifics: - Fix for a recently introduced NULL pointer dereference in the core system suspend code occuring when platforms without ACPI attempt to use the "freeze" sleep state from Zhang Rui. - Fix for a recently introduced build warning in cpufreq headers from Brian W Hart. - Fix for a 3.13 cpufreq regression related to sysem resume that triggers on some systems with multiple CPU clusters from Viresh Kumar. - Fix for a 3.4 regression in request_firmware() resulting in WARN_ON()s on some systems during system resume from Takashi Iwai. - Revert of the ACPI video commit that changed the default value of the video.brightness_switch_enabled command line argument to 0 as it has been reported to break existing setups. - ACPI device enumeration documentation update to take recent code changes into account and make the documentation match the code again from Darren Hart. - Fixes for the sa1110, imx6q, kirkwood, and cpu0 cpufreq drivers from Linus Walleij, Nicolas Del Piano, Quentin Armitage, Viresh Kumar. - New ACPI video blacklist entry for HP ProBook 4540s from Hans de Goede" * tag 'pm+acpi-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: make table sentinel macros unsigned to match use cpufreq: move policy kobj to policy->cpu at resume cpufreq: cpu0: OPPs can be populated at runtime cpufreq: kirkwood: Reinstate cpufreq driver for ARCH_KIRKWOOD cpufreq: imx6q: Select PM_OPP cpufreq: sa1110: set memory type for h3600 ACPI / video: Add use_native_backlight quirk for HP ProBook 4540s PM / sleep: fix freeze_ops NULL pointer dereferences PM / sleep: Fix request_firmware() error at resume Revert "ACPI / video: change acpi-video brightness_switch_enabled default to 0" ACPI / documentation: Remove reference to acpi_platform_device_ids from enumeration.txt
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "One nouveau deadlock fix, one qxl irq handling fix, and a set of radeon pageflipping changes that fix regressions in pageflipping since -rc1 along with a leak and backlight fix. The pageflipping fixes are a bit bigger than I'd like, but there has been a few people focused on testing them" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: Make classic pageflip completion path less racy. drm/radeon: Add missing vblank_put in pageflip ioctl error path. drm/radeon: Remove redundant fence unref in pageflip path. drm/radeon: Complete page flip even if waiting on the BO fence fails drm/radeon: Move pinning the BO back to radeon_crtc_page_flip() drm/radeon: Prevent too early kms-pageflips triggered by vblank. drm/radeon: set default bl level to something reasonable drm/radeon: avoid leaking edid data drm/qxl: return IRQ_NONE if it was not our irq drm/nouveau/therm: fix a potential deadlock in the therm monitoring code
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random由 Linus Torvalds 提交于
Pull /dev/random fix from Ted Ts'o: "Fix a BUG splat found by trinity" * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: check for increase of entropy_count because of signed conversion
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6由 Linus Torvalds 提交于
Pull crypto fixes from Herbert Xu: "This push fixes a boot hang in virt guests when the virtio RNG is enabled" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: hwrng: virtio - ensure reads happen after successful probe hwrng: fetch randomness only after device init
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