Changes in linux_compat.c

e268defb - Fix kernel panic in LinuxKPI subsystem.

Wed, 08 Jul 2020 19:57:24 +0000

Fix kernel panic in LinuxKPI subsystem.Approved by: soSecurity: FreeBSD-EN-20:14.linuxpki List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

500cdf70 - MFC r346445: Enable ioremap for aarch64 in the LinuxKPI

Mon, 16 Sep 2019 12:51:28 +0000

MFC r346445: Enable ioremap for aarch64 in the LinuxKPIRequired for Mellanox drivers (e.g. on Ampere eMAG at Packet.com).PR: 237055Submitted by: Greg V List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

b41edba3 - MFC r347837:

Fri, 24 May 2019 15:37:54 +0000

MFC r347837:LinuxKPI: Update access_ok macro for v5.0.Check LINUXKPI_VERSION macro for backwards compatibility.It's recommended to update any drivers that depend on the older KPIso we can deprecate < 5.0 code as we update to newer Linux version.This patch is part of D19565Reviewed by: hpsApproved by: imp (mentor), hps List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

089e611a - MFC r347592:

Tue, 21 May 2019 02:31:34 +0000

MFC r347592:LinuxKPI: Let del_timer return a value to match Linux.This patch is part of https://reviews.freebsd.org/D19565.Reviewed by: hpsApproved by: imp (mentor), hps List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

19219230 - MFC r347185:

Thu, 16 May 2019 15:35:50 +0000

MFC r347185:Allow controlling pr_debug at runtime in the LinuxKPI.Turning on pr_debug at compile time make it non-optional at runtime.This often means that the amount of the debugging is unbearable.Allow developer to turn on pr_debug output only when needed.Build tested drm-current-kmod prior to commit.Submitted by: kib@Sponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

5a96a3e6 - MFC r346712:

Thu, 02 May 2019 02:26:42 +0000

MFC r346712:Don't call cdev_init where cdev_alloc is called. cdev_alloc alreadyhandles initialization.Reviewed by: hpsApproved by: imp (mentor) List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

05f046a6 - MFC r342628, r342670 (by cem):

Sun, 06 Jan 2019 00:52:53 +0000

MFC r342628, r342670 (by cem):Fix linux_destroy_dev() behaviour when there are still files open fromthe destroying cdev.Also bump __FreeBSD_version since struct linux_cdev size on i386 increased(this is unmergeable r342629 on HEAD). List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

f05540ec - MFC r342627:

Sun, 06 Jan 2019 00:45:41 +0000

MFC r342627:Implement zap_vma_ptes() for managed device objects. List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

1005063f - MFC r342625, r342631:

Sun, 06 Jan 2019 00:44:32 +0000

MFC r342625, r342631:Use IDX_TO_OFF(). List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

113c9572 - MFC r341518:

Wed, 12 Dec 2018 10:08:15 +0000

MFC r341518:linuxkpi: Fix for use-after-free when tearing down character devices.Make sure we hold a reference on the character device for every opened fileto prevent the character device to be freed prematurely.Sponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

695056a9 - MFC r341447:

Mon, 10 Dec 2018 01:01:43 +0000

MFC r341447:Improve procstat reporting for the linux cdev file descriptors. List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

711db39f - MFC r339924:

Thu, 01 Nov 2018 15:47:07 +0000

MFC r339924:Implement the dump_stack() function in the LinuxKPI.Approved by: re (gjb)Submitted by: Johannes Lundberg Sponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

4b706099 - Optimise use of Giant in the LinuxKPI.

Fri, 30 Mar 2018 20:11:12 +0000

Optimise use of Giant in the LinuxKPI.- Make sure Giant is locked when calling PCI device methods.Newbus currently requires this.- Avoid unlocking Giant right before aquiring the sleepqueue lock.This can save a task switch.MFC after: 1 weekSponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

83630517 - linuxkpi whitespace cleanup

Fri, 23 Mar 2018 15:50:01 +0000

linuxkpi whitespace cleanupReviewed by: hselasky, markjMFC after: 1 weekDifferential Revision: https://reviews.freebsd.org/D14807 List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

be15e133 - Implement proper support for complete_all() in the LinuxKPI.

Fri, 09 Mar 2018 12:16:55 +0000

Implement proper support for complete_all() in the LinuxKPI.When complete_all() is called there might be multiple waiters. Thecurrent implementation could only handle one waiter. Make sure thecompletion is sticky when complete_all() is called to be compatiblewith Linux.Found by: Johannes Lundberg MFC after: 1 weekSponsored by: Mellanox TechnologiesSponsored by: Limelight Networks List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

9555cfd2 - Rename callout member in struct timer_list to match the one in struct

Fri, 02 Mar 2018 08:52:27 +0000

Rename callout member in struct timer_list to match the one in structdelayed_work in the LinuxKPI. This allows the timer_pending() functionmacro to be used with delayed work structures.No functional nor structural change.MFC after: 1 weekSubmitted by: Johannes Lundberg Sponsored by: Mellanox TechnologiesSponsored by: Limelight Networks List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

94944062 - Return correct error code to user-space when a system call receives a

Thu, 22 Feb 2018 15:29:19 +0000

Return correct error code to user-space when a system call receives asignal in the LinuxKPI.The read(), write() and mmap() system calls can return either EINTR orERESTART upon receiving a signal. Add code to figure out the correctreturn value by temporarily storing the return code from the relevantFreeBSD kernel APIs in the Linux task structure.MFC after: 3 daysSponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

0628fc90 - Make the vm_fault structure in the LinuxKPI compatible with

Sun, 18 Feb 2018 09:31:01 +0000

Make the vm_fault structure in the LinuxKPI compatible withnewer versions of the Linux kernel. No functional change.MFC after: 1 weekSubmitted by: Johannes Lundberg Sponsored by: Mellanox TechnologiesSponsored by: Limelight Networks List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

f71d0b0d - Fix some recent regressions after r328436 in the LinuxKPI:

Thu, 01 Feb 2018 19:57:21 +0000

Fix some recent regressions after r328436 in the LinuxKPI:1) The OPW() function macro should have the same return type like thefunction it executes.2) The DEVFS I/O-limit should be enforced for all character device readsand writes.3) The character device file handle should be passable, same as forDEVFS based file handles.Reported by: jbeich @MFC after: 1 weekSponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c

3f3735db - Make sure the LinuxKPI's internal ERESTARTSYS error code gets translated

Thu, 01 Feb 2018 17:32:45 +0000

Make sure the LinuxKPI's internal ERESTARTSYS error code gets translatedinto ERESTART for mmap and page fault calls aswell.MFC after: 1 weekSponsored by: Mellanox Technologies List of files: /freebsd-12.1/sys/compat/linuxkpi/common/src/linux_compat.c