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linux-next: manual merge of the tip tree with the pm tree

Hi all, Today's linux-next merge of the tip tree got a conflict in: drivers/cpufreq/intel_pstate.c between commit: 7791e4aa59ad ("cpufreq: int

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[PATCH] mm: __delete_from_page_cache WARN_ON(page_mapped)

Commit e1534ae95004 ("mm: differentiate page_mapped() from page_mapcount() for compound pages") changed the famous BUG_ON(page_mapped(page)) in __dele

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[PATCH v8] watchdog: Add watchdog timer support for the WinSystems EBC-C384

The WinSystems EBC-C384 has an onboard watchdog timer. The timeout range supported by the watchdog timer is 1 second to 255 minutes. Timeouts under 25

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[lkp] [n_tty] dd9a6fee68: INFO: possible circular locking dependency detected ]

FYI, we noticed the below changes on https://github.com/0day-ci/linux Brian-Bloniarz/Re-n_tty-Check-the-other-end-of-pty-pair-before-returning-EAGAIN

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[PATCH v4 0/5] Add online file check feature

When there are errors in the ocfs2 filesystem, they are usually accompanied by the inode number which caused the error. This inode number would be the

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[PATCH v4 1/5] ocfs2: export ocfs2_kset for online file check

Export ocfs2_kset object from ocfs2_stackglue kernel module, then online file check code will create the related sysfiles under ocfs2_kset object. Si

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[PATCH v4 2/5] ocfs2: sysfile interfaces for online file check

Implement online file check sysfile interfaces, e.g. how to create the related sysfile according to device name, how to display/handle file check requ

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[PATCH v4 3/5] ocfs2: create/remove sysfile for online file check

Create online file check sysfile when ocfs2 mount, remove the related sysfile when ocfs2 umount. Signed-off-by: Gang He <ghe@suse.com> Reviewed-by: M

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[PATCH v4 4/5] ocfs2: check/fix inode block for online file check

Implement online check or fix inode block during reading a inode block to memory. Signed-off-by: Gang He <ghe@suse.com> --- fs/ocfs2/inode.c |

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[PATCH v4 5/5] ocfs2: add feature document for online file check

This document will describe OCFS2 online file check feature. OCFS2 is often used in high-availaibility systems. However, OCFS2 usually converts the fi

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[PATCH 00/10] x86: Various SYSENTER/SYSEXIT/#DB fixes and cleanups

hpa asked me to get rid of the ASM_CLAC at the beginning of the SYSENTER path. Little did he know... This series makes the observed behavior of SYSE

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[PATCH 01/10] selftests/x86: In syscall_nt, test NT|TF as well

Setting TF prevents fastpath returns in most cases, which causes the test to fail on 32-bit kernels because 32-bit kernels do not, in fact, handle NT

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[PATCH 02/10] x86/entry/compat: In SYSENTER, sink AC clearing below the...

CLAC is slow, and the SYSENTER code already has an unlikely path that runs if unusual flags are set. Drop the CLAC and instead rely on the unlikely p

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[PATCH 03/10] x86/entry/32: Filter NT and speed up AC filtering in SYSENTER

This makes the 32-bit code work just like the 64-bit code. It should speed up syscalls on 32-bit kernels on Skylake by something like 20 cycles (by a

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[PATCH 04/10] x86/entry/32: Restore FLAGS on SYSEXIT

We weren't restoring FLAGS at all on SYSEXIT. Apparently no one cared. With this patch applied, native kernels should always honor task_pt_regs()->f

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[PATCH 05/10] x86/traps: Clear TIF_BLOCKSTEP on all debug exceptions

The SDM says that debug exceptions clear BTF, and we need to keep TIF_BLOCKSTEP in sync with BTF. Clear it unconditionally and improve the comment.

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[PATCH 06/10] x86/traps: Clear DR6 early in do_debug and improve the comment

Leaving any bits set in DR6 on return from a debug exception is asking for trouble. Prevent it by writing zero right away and clarify the comment. S

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[PATCH 07/10] x86/entry: Vastly simplify SYSENTER TF handling

Due to a blatant design error, SYSENTER doesn't clear TF. As a result, if a user does SYSENTER with TF set, we will single-step through the kernel un

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[PATCH 08/10] x86/entry: Only allocate space for SYSENTER_stack if needed

The SYSENTER stack is only used on 32-bit kernels. Remove it in 64-bit kernels. (We may end up using it down the road on 64-bit kernels. If so, we

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[PATCH 09/10] x86/entry/32: Simplify and fix up the SYSENTER stack #DB/NMI fixup

Right after SYSENTER, we can get a #DB or NMI. On x86_32, there's no IST, so the exception handler is invoked on the temporary SYSENTER stack. Becau

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