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24cb4bc8f0
841160 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Olof Johansson
|
24cb4bc8f0 |
ti-sysc soc changes for v5.3
Just two changes to make few platform data functions static, and to call dev_info() if am437x is suspending to RTC-only mode. We want to see this in case of issues as it depends on the board wiring for things like DDR memory. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEkgNvrZJU/QSQYIcQG9Q+yVyrpXMFAl0AvH4RHHRvbnlAYXRv bWlkZS5jb20ACgkQG9Q+yVyrpXOHcg/6AqtSmtYCOHCj1FgUlB0Ebf8lDg+M3n37 VxPapucpbF1tdE1FIGqNCBRiNiCzmCMF/0ARLpXN/GrBWe8PTplAOddlaf+9QU0R IQyeUOOogYQ/NH388hUep+KPD3uSTA+N83rLiuyPdewBESIBOV82hoHVi40CsqWo b0zhFBbrxX8rGJPSRXuKKy1rooxzYqRRrRKmDEzspvG4bmuHRnU0+UKa1GhNMlF5 YuDumzJ4sbznEZif6TB+bAzdqbKeAaTxs0yj411AvT5F1vsj50GLbUJzz2bC9wZ4 ihfbL8/+ODSvEZKWW2nrlsZp297GS2y4f3yCuDy48dYA/Ud3dL1nypa1wde44HbI sANRz4ihXngRFoYJpTgs+bRrU16al1EPMeXCMmnMTBMPMnSCSd5Vix0jdCn+cQHq sQC5sCBnG3A9Yk10vyWvD4/LZ7FVX29zXGUoZxoxICwxbJZvhMlCnZjCbQVCqfn7 dt99g3jxGcn2COg8mjMqR7zmCzTNn2TuWPbceyZYOC7/POeKOdlqi2xQN1at+RxE wm5PLNZ1FkLw2FhrtmtiGbFPQEkXsbHRJo7iJpJYRqBsypvVfeY6y8k7r+w4GE8K xWtXNh1oARIWLNVbq/P2UFq/KnzntX3M1UrPiB7sept3xmW0y6q2nu1LMLrhAvUM Wk78ehVR518= =+Fzf -----END PGP SIGNATURE----- Merge tag 'omap-for-v5.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc ti-sysc soc changes for v5.3 Just two changes to make few platform data functions static, and to call dev_info() if am437x is suspending to RTC-only mode. We want to see this in case of issues as it depends on the board wiring for things like DDR memory. * tag 'omap-for-v5.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: soc: ti: pm33xx: Add a print while entering RTC only mode with DDR in self-refresh ARM: OMAP2+: Make some variables static Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
|
b41e48a82b |
This pull request contains Broadcom ARM64-based SoCs Kconfig.platform
changes for 5.3, please pull the following: - Jim adds the ability for ARCH_BRCMSTB to use reset controllers - Doug adds the ability for ARCH_BRCMSTB to use the PINCTRL framework - Florian enables the use of the BCM7038 Level 1 interrupt controller for ARCH_BRCMSTB -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEm+Rq3+YGJdiR9yuFh9CWnEQHBwQFAl0AZVIACgkQh9CWnEQH BwRpqQ//VPkky+lI2lFZZC6t36T1mbVNLjvV2Ncl3VH6csJPN/lAHaSxp7IMpsjz OkrOJ2oVUZ2N+0owP2NcWswzDgO00EEozt2q2zmP7KJQN0f1SLdA/edcEUTv0J1Z rLoLRYNPp0B3JJDXZ84+YKFiboYsAypYkoWNawSZg2jWYhHIY8r6yU81HIrqzInV vWAoOCfW1DXUtI9/tjsBoYv34Q2XR/CNfBjJ4MGem6QDASDIXw3ZkSMqEK4LzZT8 sFA4ZrkiNmdTK9HE0eOkEAHryAWtBglJxxt0rsGuzUvecp3uqZqN3NqxonGHKGh0 R6SOVOSDb1rp+PFeSFVFpduDCxXL7oB+/CpEMtHDShq7kF8IoctlxFWDFJHE0i1m cyPKQbi4tYlN8VtGIg7FAIn1UEJcSpJxwKPlk539VpjWIcHKFhP21+9b925YGjj9 L38Ef6Fba4znzE9T+yzO8NyAhQWtjIeTe6vQwKKIvxLIi1T4V1jCqk+TppOTegk8 zTp/GBtOYMvpTxvY0DpDo09FHuVvyM2Akz5vIw0hbhWyHe1KXRPZ8epXcWP7yOjr 9En1O0pAzKGSEbueBsq5aR+/kfAEXeXtdjV8/n9vAUSWdYrBwmlrUvAnVg27ynSz FSKxEXM7lgm7KZpC77jFNTgCuak3FPcXwYefHw1z3iHVfiBgMeE= =LQ38 -----END PGP SIGNATURE----- Merge tag 'arm-soc/for-5.3/soc-arm64' of https://github.com/Broadcom/stblinux into arm/soc This pull request contains Broadcom ARM64-based SoCs Kconfig.platform changes for 5.3, please pull the following: - Jim adds the ability for ARCH_BRCMSTB to use reset controllers - Doug adds the ability for ARCH_BRCMSTB to use the PINCTRL framework - Florian enables the use of the BCM7038 Level 1 interrupt controller for ARCH_BRCMSTB * tag 'arm-soc/for-5.3/soc-arm64' of https://github.com/Broadcom/stblinux: arm64: Enable PINCTRL for ARCH_BRCMSTB arm64: Enable ARCH_HAS_RESET_CONTROLLER for ARCH_BRCMSTB arm64: Enable BCM7038_L1_IRQ for ARCH_BRCMSTB Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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b06c51debc |
This pull request contains Broadcom ARM-based SoC Kconfig/machine
changes for 5.3, please pull the following: - Wen fixes a missing referenc count on the CPU device_node object throughout mach-bcm/ - Jim adds the ability for ARCH_BRCMSTB to use reset controllers - Doug adds the ability for ARCH_BRCMSTB to use the PINCTRL framework -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEm+Rq3+YGJdiR9yuFh9CWnEQHBwQFAl0AZXEACgkQh9CWnEQH BwRBjQ/9FBksBwgZ0mxziXOMaO26M3sD10Wd08whfS/FPnTx4VXeHaEaFhwR/hTU 32sTjWUhzC0LfBwVt53Nz6V3xLEBxEligQY1TS+Yb1JTKr732vMV1SQxhGlFpYbi or3g+CByAI5jky6oZ6E3SJ/Us7gcuGVDX6aLnpME31K1puvh5ETiWbU3o+1ESsFO mL1J9t9WJ2rtZ09rlPo1Oi+7/6qfr8gACFW0zjMnNmXg8vUg3zSnIWBe6TKpGD30 Ht6kZfWxQ+zlHZHluIkt9RkG8ItiWiFjpa8CHQYIrx2ReD5dsfZ1O7Y+mQksQpX5 tAZ99QTPIRowCxg6BM4ibRCcav6HGnfAfGsRZE0SgQ9SpVGxiSR/IJwxE334oNYE BY1trTXPRC5zrSwLjOfLPukq8GwlRvimPwdemV77P8+k7IEVA52BG95ZQi5YiR9s 9T5cSU6V073OVDKX1Ew66ivCdijcUn5eFbYgGt2V/u4hCAiwi9iBMmG8itkSMp+q 6rgteb5ew0SXfrWgj0YyDufEFri1AoZEhUsscqWt1JCNzCmmxe7cp6/NgkDMtj4B 4i4HXD0Y40G24ZwXnOowfRMwEnI+8UCQi7F7me8bSete3OhROVY20bUnZdpF0ca5 tk3PkDpEbdwqxTZTbBhuOdeuckTMfVXr5HetJoMyz9z9D8mlAi0= =CdUx -----END PGP SIGNATURE----- Merge tag 'arm-soc/for-5.3/soc' of https://github.com/Broadcom/stblinux into arm/soc This pull request contains Broadcom ARM-based SoC Kconfig/machine changes for 5.3, please pull the following: - Wen fixes a missing referenc count on the CPU device_node object throughout mach-bcm/ - Jim adds the ability for ARCH_BRCMSTB to use reset controllers - Doug adds the ability for ARCH_BRCMSTB to use the PINCTRL framework * tag 'arm-soc/for-5.3/soc' of https://github.com/Broadcom/stblinux: ARM: bcm: Enable PINCTRL for ARCH_BRCMSTB ARM: bcm: Enable ARCH_HAS_RESET_CONTROLLER for ARCH_BRCMSTB ARM: bcm: fix a leaked reference by adding missing of_node_put Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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4ab3a3e7e8 |
Another missing of_node_put
-----BEGIN PGP SIGNATURE----- iQFEBAABCAAuFiEE7v+35S2Q1vLNA3Lx86Z5yZzRHYEFAlz/ZxgQHGhlaWtvQHNu dGVjaC5kZQAKCRDzpnnJnNEdgZ8xB/4376IVuRZ29/VMmtsRgBwitoi80CYDSmYP alF0ET6o07uixZbHIXwcYZQ+hpLRq+HDL8axWpSXtdadm4/9fyYvj4uXKnmbo7Jb G06oZaEyCsrmBQxqU+EyHuEIwR6RvPpf7G+cXnoxUway+5wPrmioZzOLQJj1pS/3 rVu9SJMvxvSaWo1wxh7VTtaSZ0nAyXpBXjJrQtf+FIm2/nCAOjtmvjmn8BM0FVu+ 2Q8mulW29BH1kZsA6/uqSTBE3maJzCXK9x3X0PM2o9zmLBh1o8j115mHabFmyjA8 SCAjI4/7ZsnYVPVBH/pDSvGwkjcDVo8cxF9N/ems7mORhWNDcrAb =1pXX -----END PGP SIGNATURE----- Merge tag 'v5.3-rockchip-soc32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/soc Another missing of_node_put * tag 'v5.3-rockchip-soc32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: ARM: rockchip: fix missing of_node_put calls in smp code Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
|
449c1cd297 |
Versatile platform updates for the v5.3 kernel cycle:
- Drop a slew of unused CLCD platform data - Fix OF reference counts -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJc7kmAAAoJEEEQszewGV1z1ZAP/R4nxFgh4f2bTlW0GclNLY5+ B3f5yvEAIhUxKEV2FVjjP+3kg4AFQNMHf6KEzZUzinGp2tv3VaYbOIqRTlvWLWEg KS9OKWNGWxhNdvpv5KqC04UG2WML8DdCqEluyRPjvaqR3LWRbFnx80aPOSPVbx2W rLpVJm4HUth+6m+Fqywv8MzYI692RVTHk6Kg/ZEOdGAgfiCcRPIShFGc/UMxaHB/ AOnUvIlZzJr/7P6hLSZrqKvq5ftA2lI2OsmSHLzooykwT8tg/Cam6lWtY6XbwJNu EnZVqPbbVK/2K0c4bEzv2GEJindMj8hrY+/Wf72HuPWNky3xEB1EUDMwu4xzLndD QRkpUTCkXZ9H8hjsA6SpKtnIG+UIOyyRtvIYhE+QLY1EYRoP0+VOLdm/1W/N4Ucs 9RmxxcMoldl3c9VV0KxAH+xg2nZqqKPJ6ol9Ify8B+VKPSeW1q3pbIKSUiM+F2xp y2/1S9lcAuaqPl90EFMc5RMTx78M1SAP4c/0qpj4w+1oGPOj0rd3WhFzuhtu7Jij ndfVILPYvP10rY/XyQ5FrK/XFXL5/5SMqnv3bN82jXCnE7163UyRPnSZsRay5orf LOPMS6wHbIU30NcVNnviKAIuuAIlsCKvbzskGyQDQNjwj3tQUzg5q6f+YQLDxdJ+ SwaIVxE7geVR5iuS7hb4 =+jk4 -----END PGP SIGNATURE----- Merge tag 'versatile-v5.3-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into arm/soc Versatile platform updates for the v5.3 kernel cycle: - Drop a slew of unused CLCD platform data - Fix OF reference counts * tag 'versatile-v5.3-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator: ARM: versatile: Drop CLCD platform data ARM: versatile: fix a leaked reference by addingmissing of_node_put Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
|
6ad135992e |
This deletes the NetX 100/500 machine support.
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Linus Torvalds
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9e0babf2c0 | Linux 5.2-rc5 | ||
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Linus Torvalds
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963172d9c7 |
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"The accumulated fixes from this and last week:
- Fix vmalloc TLB flush and map range calculations which lead to
stale TLBs, spurious faults and other hard to diagnose issues.
- Use fault_in_pages_writable() for prefaulting the user stack in the
FPU code as it's less fragile than the current solution
- Use the PF_KTHREAD flag when checking for a kernel thread instead
of current->mm as the latter can give the wrong answer due to
use_mm()
- Compute the vmemmap size correctly for KASLR and 5-Level paging.
Otherwise this can end up with a way too small vmemmap area.
- Make KASAN and 5-level paging work again by making sure that all
invalid bits are masked out when computing the P4D offset. This
worked before but got broken recently when the LDT remap area was
moved.
- Prevent a NULL pointer dereference in the resource control code
which can be triggered with certain mount options when the
requested resource is not available.
- Enforce ordering of microcode loading vs. perf initialization on
secondary CPUs. Otherwise perf tries to access a non-existing MSR
as the boot CPU marked it as available.
- Don't stop the resource control group walk early otherwise the
control bitmaps are not updated correctly and become inconsistent.
- Unbreak kgdb by returning 0 on success from
kgdb_arch_set_breakpoint() instead of an error code.
- Add more Icelake CPU model defines so depending changes can be
queued in other trees"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback
x86/kasan: Fix boot with 5-level paging and KASAN
x86/fpu: Don't use current->mm to check for a kthread
x86/kgdb: Return 0 from kgdb_arch_set_breakpoint()
x86/resctrl: Prevent NULL pointer dereference when local MBM is disabled
x86/resctrl: Don't stop walking closids when a locksetup group is found
x86/fpu: Update kernel's FPU state before using for the fsave header
x86/mm/KASLR: Compute the size of the vmemmap section properly
x86/fpu: Use fault_in_pages_writeable() for pre-faulting
x86/CPU: Add more Icelake model numbers
mm/vmalloc: Avoid rare case of flushing TLB with weird arguments
mm/vmalloc: Fix calculation of direct map addr range
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Linus Torvalds
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efba92d58f |
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A set of small fixes:
- Repair the ktime_get_coarse() functions so they actually deliver
what they are supposed to: tick granular time stamps. The current
code missed to add the accumulated nanoseconds part of the
timekeeper so the resulting granularity was 1 second.
- Prevent the tracer from infinitely recursing into time getter
functions in the arm architectured timer by marking these functions
notrace
- Fix a trivial compiler warning caused by wrong qualifier ordering"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Repair ktime_get_coarse*() granularity
clocksource/drivers/arm_arch_timer: Don't trace count reader functions
clocksource/drivers/timer-ti-dm: Change to new style declaration
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Linus Torvalds
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f763cf8e47 |
Merge branch 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Thomas Gleixner:
"Two small fixes for RAS:
- Use a proper search algorithm to find the correct element in the
CEC array. The replacement was a better choice than fixing the
crash causes by the original search function with horrible duct
tape.
- Move the timer based decay function into thread context so it can
actually acquire the mutex which protects the CEC array to prevent
corruption"
* 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
RAS/CEC: Convert the timer callback to a workqueue
RAS/CEC: Fix binary search function
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Linus Torvalds
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e01e060fe0 |
platform-drivers-x86 for v5.2-3
Couple of driver enumeration issues have been fixed for Mellanox. ASUS laptops got a regression with backlight, which is fixed now. Dell computers got a wrong mode (tablet versus laptop) after resume, that is fixed now. The following is an automated git shortlog grouped by driver: asus-wmi: - Only Tell EC the OS will handle display hotkeys from asus_nb_wmi intel-vbtn: - Report switch events when event wakes device mlx-platform: - Fix parent device in i2c-mux-reg device registration platform/mellanox: - mlxreg-hotplug: Add devm_free_irq call to remove flow -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqaflIX74DDDzMJJtb7wzTHR8rCgFAl0FJxcACgkQb7wzTHR8 rCirlhAAqtceFp9MwqM3EaHkgurK/zMdq3dw62/TKFQfK6n0MaxYeE6G43BI7vBX XOoqNzOH3vDELGrZaP1DfmXpd6xASngd57p2qElHUYVqqVHgkqORcuIG5VJpzKsY 1+GRey4eWJ114G16tpGi/MH+i44ro+Y+WJV/F0qbZHRDANenW/VCl1EDWYYf4SYX 9QGKtQWkmGKMzklorhIHiTmrg3HoH08tddR5zStTr88Db8/hErnCtp8Xfm48cJ2J 4mLEXuta0bh2W9WbG2prFL14FE12iawLjDQH67r1XpYtXb+LN1n/f7nq+AgdSTbH raEYkmhARGbxUjwuW46hDUBHFMkgRY4VG+VyBeGgAZAFtSTbyV5XtQIoV1541sW5 7R4hjta8Gb/6r40L6izAyy23KVjI9wygt++fpSwRtf3/77yICMWHq3Uel4RuX/gX AWiyrGoOPb3BVwk+Hx1ME6HNMupV0OLTdS+eS0nUH1MTdidawAZ+xM+Y7D7BPJKd 116lHuGlQcMzvP6r+cGAQiptzQvRP+NzuSfbY7H7YY+11dQGm4XULWbFC6q28EgY 42REhawu0PXpMWUQRPK7ZcqFKiqE+nJiKmAuRpzpC9nlr3aaPKP6KCU0eBbYbeyZ N4rOB8y6MBqm2HgFL9yh9l0tcnMF7o9P5NU/aztZEndL6/LMxQA= =/H6h -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v5.2-3' of git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver fixes from Andy Shevchenko: - fix a couple of Mellanox driver enumeration issues - fix ASUS laptop regression with backlight - fix Dell computers that got a wrong mode (tablet versus laptop) after resume * tag 'platform-drivers-x86-v5.2-3' of git://git.infradead.org/linux-platform-drivers-x86: platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration platform/x86: intel-vbtn: Report switch events when event wakes device platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi |
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Linus Torvalds
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ff39074b1d |
USB fixes for 5.2-rc5
Here are some small USB driver fixes for 5.2-rc5 Nothing major, just some small gadget fixes, usb-serial new device ids, a few new quirks, and some small fixes for some regressions that have been found after the big 5.2-rc1 merge. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXQUTIg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykPJQCfZdiElw3N35bKVf7bhruxSb5DevEAni96uDM7 jSOSEB/EWqxZEy0ZjU7J =cKx4 -----END PGP SIGNATURE----- Merge tag 'usb-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB driver fixes for 5.2-rc5 Nothing major, just some small gadget fixes, usb-serial new device ids, a few new quirks, and some small fixes for some regressions that have been found after the big 5.2-rc1 merge. All of these have been in linux-next for a while with no reported issues" * tag 'usb-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: typec: Make sure an alt mode exist before getting its partner usb: gadget: udc: lpc32xx: fix return value check in lpc32xx_udc_probe() usb: gadget: dwc2: fix zlp handling usb: dwc2: Set actual frame number for completed ISOC transfer for none DDMA usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i] usb: phy: mxs: Disable external charger detect in mxs_phy_hw_init() usb: dwc2: Fix DMA cache alignment issues usb: dwc2: host: Fix wMaxPacketSize handling (fix webcam regression) USB: Fix chipmunk-like voice when using Logitech C270 for recording audio. USB: usb-storage: Add new ID to ums-realtek usb: typec: ucsi: ccg: fix memory leak in do_flash USB: serial: option: add Telit 0x1260 and 0x1261 compositions USB: serial: pl2303: add Allied Telesis VT-Kit3 USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode |
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Linus Torvalds
|
fa1827d773 |
powerpc fixes for 5.2 #4
One fix for a regression introduced by our 32-bit KASAN support, which broke booting on machines with "bootx" early debugging enabled. A fix for a bug which broke kexec on 32-bit, introduced by changes to the 32-bit STRICT_KERNEL_RWX support in v5.1. Finally two fixes going to stable for our THP split/collapse handling, discovered by Nick. The first fixes random crashes and/or corruption in guests under sufficient load. Thanks to: Nicholas Piggin, Christophe Leroy, Aaro Koskinen, Mathieu Malaterre. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJdBOivAAoJEFHr6jzI4aWA/T0P/1pmr4JLWzXOPQOGOwS2mmu5 HhXBFuDflpGiWS31syOhfKhiE2qlwdIcGaclSo1wAgUnMKp+sxVEagF6DEt484r3 DXs3eRyrGu5vQT7Q6yReuT3Kw2ZR474a5ob00WGAQosBKyJF4ZHWz16ETVWMdAMQ TknEEU3hOUnMWWIEvLnZOKT7eJcmzj5IYy1OtLHBjWiHHizGC8PSxdVhiRcD/O6R F6C7XrFb7RRj5ran6gxwMbcTvjgu922TSQPOCw93qnXYWLfvWDUXC4yCqY21oHnr b3zgJNgIdSoMYxE8pfOH7Y+eaJrbzgnhlS5OJNEz/4NOfGQnJXYcSF8QO6eeVoKM L2SkT1Ov+QMmZQjMC5e9OAe7DFHfM59RYFg11eaUqfiaObRsmwu8rqjngITV5Ede Ydq3W39XQkjB3aQ4qb0MnEBbVgyQ/y6/T5hoHRlvnb5byFk5Pd3jpub56sq87UGM M4GD3YdmT5eBqzGxApddyIiS839PZpdw7g/Ivtp2GYCtiNNZcJqaXvN7IwfcVF3c YJrCfhNTUJPjICIL9k9v2RQovGuGZqtM3BHc8PmyVvDxTqtEbh8B9GEg+QC58xp/ s+UI2sEd/Vg6NVKluIJHau7aEmJlaxYIshqsIhYvPgJRN6KrFMhdfPNx7D+zMlu8 nbM6Z1n2VFk9Cxb0vA9K =MXJI -----END PGP SIGNATURE----- Merge tag 'powerpc-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "One fix for a regression introduced by our 32-bit KASAN support, which broke booting on machines with "bootx" early debugging enabled. A fix for a bug which broke kexec on 32-bit, introduced by changes to the 32-bit STRICT_KERNEL_RWX support in v5.1. Finally two fixes going to stable for our THP split/collapse handling, discovered by Nick. The first fixes random crashes and/or corruption in guests under sufficient load. Thanks to: Nicholas Piggin, Christophe Leroy, Aaro Koskinen, Mathieu Malaterre" * tag 'powerpc-5.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX powerpc/64s: __find_linux_pte() synchronization vs pmdp_invalidate() powerpc/64s: Fix THP PMD collapse serialisation powerpc: Fix kexec failure on book3s/32 |
||
|
Linus Torvalds
|
6a71398c6a |
This includes the following fixes:
- Out of range read of stack trace output - Fix for NULL pointer dereference in trace_uprobe_create() - Fix to a livepatching / ftrace permission race in the module code - Fix for NULL pointer dereference in free_ftrace_func_mapper() - A couple of build warning clean ups -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCXQToxhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qusmAP4/mmJPgsDchnu5ui0wB8BByzJlsPn8 luXFDuqI4f34zgD+JCmeYbj5LLh98D9XkaaEgP4yz3yKsWeSdwWPCU0vTgo= =M/+E -----END PGP SIGNATURE----- Merge tag 'trace-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: - Out of range read of stack trace output - Fix for NULL pointer dereference in trace_uprobe_create() - Fix to a livepatching / ftrace permission race in the module code - Fix for NULL pointer dereference in free_ftrace_func_mapper() - A couple of build warning clean ups * tag 'trace-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper() module: Fix livepatch/ftrace module text permissions race tracing/uprobe: Fix obsolete comment on trace_uprobe_create() tracing/uprobe: Fix NULL pointer dereference in trace_uprobe_create() tracing: Make two symbols static tracing: avoid build warning with HAVE_NOP_MCOUNT tracing: Fix out-of-range read in trace_stack_print() |
||
Borislav Petkov
|
78f4e932f7 |
x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback
Adric Blake reported the following warning during suspend-resume:
Enabling non-boot CPUs ...
x86: Booting SMP configuration:
smpboot: Booting Node 0 Processor 1 APIC 0x2
unchecked MSR access error: WRMSR to 0x10f (tried to write 0x0000000000000000) \
at rIP: 0xffffffff8d267924 (native_write_msr+0x4/0x20)
Call Trace:
intel_set_tfa
intel_pmu_cpu_starting
? x86_pmu_dead_cpu
x86_pmu_starting_cpu
cpuhp_invoke_callback
? _raw_spin_lock_irqsave
notify_cpu_starting
start_secondary
secondary_startup_64
microcode: sig=0x806ea, pf=0x80, revision=0x96
microcode: updated to revision 0xb4, date = 2019-04-01
CPU1 is up
The MSR in question is MSR_TFA_RTM_FORCE_ABORT and that MSR is emulated
by microcode. The log above shows that the microcode loader callback
happens after the PMU restoration, leading to the conjecture that
because the microcode hasn't been updated yet, that MSR is not present
yet, leading to the #GP.
Add a microcode loader-specific hotplug vector which comes before
the PERF vectors and thus executes earlier and makes sure the MSR is
present.
Fixes:
|
||
|
Linus Torvalds
|
0011572c88 |
Merge branch 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"This has an unusually high density of tricky fixes:
- task_get_css() could deadlock when it races against a dying cgroup.
- cgroup.procs didn't list thread group leaders with live threads.
This could mislead readers to think that a cgroup is empty when
it's not. Fixed by making PROCS iterator include dead tasks. I made
a couple mistakes making this change and this pull request contains
a couple follow-up patches.
- When cpusets run out of online cpus, it updates cpusmasks of member
tasks in bizarre ways. Joel improved the behavior significantly"
* 'for-5.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cpuset: restore sanity to cpuset_cpus_allowed_fallback()
cgroup: Fix css_task_iter_advance_css_set() cset skip condition
cgroup: css_task_iter_skip()'d iterators must be advanced before accessed
cgroup: Include dying leaders with live threads in PROCS iterations
cgroup: Implement css_task_iter_skip()
cgroup: Call cgroup_release() before __exit_signal()
docs cgroups: add another example size for hugetlb
cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css()
|
||
|
Linus Torvalds
|
6aa7a22b97 |
drm-fixes for 5.2-rc5:
- fix regression on amdgpu on SI
- fix edid override regression
- driver fixes: amdgpu, i915, mediatek, meson, panfrost
- fix writecombine for vmap in gem-shmem helper (used by panfrost)
- add more panel quirks
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Merge tag 'drm-fixes-2019-06-14' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Daniel Vetter:
"Nothing unsettling here, also not aware of anything serious still
pending.
The edid override regression fix took a bit longer since this seems to
be an area with an overabundance of bad options. But the fix we have
now seems like a good path forward.
Next week it should be back to Dave.
Summary:
- fix regression on amdgpu on SI
- fix edid override regression
- driver fixes: amdgpu, i915, mediatek, meson, panfrost
- fix writecombine for vmap in gem-shmem helper (used by panfrost)
- add more panel quirks"
* tag 'drm-fixes-2019-06-14' of git://anongit.freedesktop.org/drm/drm: (25 commits)
drm/amdgpu: return 0 by default in amdgpu_pm_load_smu_firmware
drm/amdgpu: Fix bounds checking in amdgpu_ras_is_supported()
drm: add fallback override/firmware EDID modes workaround
drm/edid: abstract override/firmware EDID retrieval
drm/i915/perf: fix whitelist on Gen10+
drm/i915/sdvo: Implement proper HDMI audio support for SDVO
drm/i915: Fix per-pixel alpha with CCS
drm/i915/dmc: protect against reading random memory
drm/i915/dsi: Use a fuzzy check for burst mode clock check
drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc
drm/panfrost: Require the simple_ondemand governor
drm/panfrost: make devfreq optional again
drm/gem_shmem: Use a writecombine mapping for ->vaddr
drm: panel-orientation-quirks: Add quirk for GPD MicroPC
drm: panel-orientation-quirks: Add quirk for GPD pocket2
drm/meson: fix G12A primary plane disabling
drm/meson: fix primary plane disabling
drm/meson: fix G12A HDMI PLL settings for 4K60 1000/1001 variations
drm/mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable()
drm/mediatek: clear num_pipes when unbind driver
...
|
||
|
Linus Torvalds
|
4066524401 |
Fix rounding error in gfs2_iomap_page_prepare
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||
|
Linus Torvalds
|
1ed1fa5f9c |
SCSI fixes on 20190614
A single bug fix for hpsa. The user visible consequences aren't clear, but the ioaccel2 raid acceleration may misfire on the malformed request assuming the payload is big enough to require chaining (more than 31 sg entries). Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXQQdoCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishfXkAP0aPFp3 fktJnJ/33j7uk4GwOGKB3cOzTnRG+gQ99SNp4AD+NPxXD1AXhdVqtEnxOAt2cm3B wX3ImBnV+4zIDQEEg60= =w5Is -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fix from James Bottomley: "A single bug fix for hpsa. The user visible consequences aren't clear, but the ioaccel2 raid acceleration may misfire on the malformed request assuming the payload is big enough to require chaining (more than 31 sg entries)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: hpsa: correct ioaccel2 chaining |
||
|
Linus Torvalds
|
7b10315128 |
for-linus-20190614
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAl0DzeIQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgppgoD/wOQ4LaeFvnRZkOQ+1+64xot3okN2BvFFAB HN+yc8rS2EvHYMG/2PRpLJpGPzTdu83m7Erc5SHBOQVTFqbADxmjRlVtNezOrefk TWcpsNw2z4Fc7cRQ1u6CNZxqjTVF2QqQvC4bv3fNrZYgckhI4FuiIjJ4pxGI0o9N HjrGLmp9hdpr20geMomfKSYx9XWUyZs7SxIr8oOFiZYF+K5goO4K8fRsdDIpFGYD xvzwkohf0xeI1kdfehII+yanlUrdYdeSShLgGl7F/qbiupyKhkxSjvmH8tOShFYa qSQFRhacjKy84VTOA4MQjkpcTaJfsDqINIPuU8IR+fhTqFbQW8kq9ovlhW2GeVZ/ 63b8mWD0XTq7+9vnNeJid8MZ3LqmcKy5qbLWYnnh927sdzjc1Y/RgPWQS4pBllaT m1rtRMBS0OBcHU0ofsshzL0UZshVh+M+mrKBp+tctIUVmF0bDRqNOJqatihzgNL1 hI/9GY0KbBJQdHJD1iUgw+egikw/GQfoUcNG0IVbHHIREqy+0u/mBSmNzVw/hWeS jynnsuaAOSrwWeaIeHBGYQFUeQrjkgS1brTYIsXcG5wIcX99uFrp41kuTJGKD2fR jxkU3EIGxyLQL25T4PaxFqJQrfh/2rAia3Jq99lao5/rLNUdgX/2Ysv+hiw8M/Y7 N+DyskreNQ== =6C8e -----END PGP SIGNATURE----- Merge tag 'for-linus-20190614' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: - Remove references to old schedulers for the scheduler switching and blkio controller documentation (Andreas) - Kill duplicate check for report zone for null_blk (Chaitanya) - Two bcache fixes (Coly) - Ensure that mq-deadline is selected if zoned block device is enabled, as we need that to support them (Damien) - Fix io_uring memory leak (Eric) - ps3vram fallout from LBDAF removal (Geert) - Redundant blk-mq debugfs debugfs_create return check cleanup (Greg) - Extend NOPLM quirk for ST1000LM024 drives (Hans) - Remove error path warning that can now trigger after the queue removal/addition fixes (Ming) * tag 'for-linus-20190614' of git://git.kernel.dk/linux-block: block/ps3vram: Use %llu to format sector_t after LBDAF removal libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached bcache: fix stack corruption by PRECEDING_KEY() blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests blkio-controller.txt: Remove references to CFQ block/switching-sched.txt: Update to blk-mq schedulers null_blk: remove duplicate check for report zone blk-mq: no need to check return value of debugfs_create functions io_uring: fix memory leak of UNIX domain socket inode block: force select mq-deadline for zoned block devices |
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|
Linus Torvalds
|
5dcedf4600 |
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang: "I2C has two simple but wanted driver fixes for you" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: pca-platform: Fix GPIO lookup code i2c: acorn: fix i2c warning |
||
Casey Schaufler
|
6e7739fc93 |
Smack: Restore the smackfsdef mount option and add missing prefixes
The 5.1 mount system rework changed the smackfsdef mount option to
smackfsdefault. This fixes the regression by making smackfsdef treated
the same way as smackfsdefault.
Also fix the smack_param_specs[] to have "smack" prefixes on all the
names. This isn't visible to a user unless they either:
(a) Try to mount a filesystem that's converted to the internal mount API
and that implements the ->parse_monolithic() context operation - and
only then if they call security_fs_context_parse_param() rather than
security_sb_eat_lsm_opts().
There are no examples of this upstream yet, but nfs will probably want
to do this for nfs2 or nfs3.
(b) Use fsconfig() to configure the filesystem - in which case
security_fs_context_parse_param() will be called.
This issue is that smack_sb_eat_lsm_opts() checks for the "smack" prefix
on the options, but smack_fs_context_parse_param() does not.
Fixes:
|
||
Wei Li
|
04e03d9a61 |
ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper()
The mapper may be NULL when called from register_ftrace_function_probe() with probe->data == NULL. This issue can be reproduced as follow (it may be covered by compiler optimization sometime): / # cat /sys/kernel/debug/tracing/set_ftrace_filter #### all functions enabled #### / # echo foo_bar:dump > /sys/kernel/debug/tracing/set_ftrace_filter [ 206.949100] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 206.952402] Mem abort info: [ 206.952819] ESR = 0x96000006 [ 206.955326] Exception class = DABT (current EL), IL = 32 bits [ 206.955844] SET = 0, FnV = 0 [ 206.956272] EA = 0, S1PTW = 0 [ 206.956652] Data abort info: [ 206.957320] ISV = 0, ISS = 0x00000006 [ 206.959271] CM = 0, WnR = 0 [ 206.959938] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000419f3a000 [ 206.960483] [0000000000000000] pgd=0000000411a87003, pud=0000000411a83003, pmd=0000000000000000 [ 206.964953] Internal error: Oops: 96000006 [#1] SMP [ 206.971122] Dumping ftrace buffer: [ 206.973677] (ftrace buffer empty) [ 206.975258] Modules linked in: [ 206.976631] Process sh (pid: 281, stack limit = 0x(____ptrval____)) [ 206.978449] CPU: 10 PID: 281 Comm: sh Not tainted 5.2.0-rc1+ #17 [ 206.978955] Hardware name: linux,dummy-virt (DT) [ 206.979883] pstate: 60000005 (nZCv daif -PAN -UAO) [ 206.980499] pc : free_ftrace_func_mapper+0x2c/0x118 [ 206.980874] lr : ftrace_count_free+0x68/0x80 [ 206.982539] sp : ffff0000182f3ab0 [ 206.983102] x29: ffff0000182f3ab0 x28: ffff8003d0ec1700 [ 206.983632] x27: ffff000013054b40 x26: 0000000000000001 [ 206.984000] x25: ffff00001385f000 x24: 0000000000000000 [ 206.984394] x23: ffff000013453000 x22: ffff000013054000 [ 206.984775] x21: 0000000000000000 x20: ffff00001385fe28 [ 206.986575] x19: ffff000013872c30 x18: 0000000000000000 [ 206.987111] x17: 0000000000000000 x16: 0000000000000000 [ 206.987491] x15: ffffffffffffffb0 x14: 0000000000000000 [ 206.987850] x13: 000000000017430e x12: 0000000000000580 [ 206.988251] x11: 0000000000000000 x10: cccccccccccccccc [ 206.988740] x9 : 0000000000000000 x8 : ffff000013917550 [ 206.990198] x7 : ffff000012fac2e8 x6 : ffff000012fac000 [ 206.991008] x5 : ffff0000103da588 x4 : 0000000000000001 [ 206.991395] x3 : 0000000000000001 x2 : ffff000013872a28 [ 206.991771] x1 : 0000000000000000 x0 : 0000000000000000 [ 206.992557] Call trace: [ 206.993101] free_ftrace_func_mapper+0x2c/0x118 [ 206.994827] ftrace_count_free+0x68/0x80 [ 206.995238] release_probe+0xfc/0x1d0 [ 206.995555] register_ftrace_function_probe+0x4a8/0x868 [ 206.995923] ftrace_trace_probe_callback.isra.4+0xb8/0x180 [ 206.996330] ftrace_dump_callback+0x50/0x70 [ 206.996663] ftrace_regex_write.isra.29+0x290/0x3a8 [ 206.997157] ftrace_filter_write+0x44/0x60 [ 206.998971] __vfs_write+0x64/0xf0 [ 206.999285] vfs_write+0x14c/0x2f0 [ 206.999591] ksys_write+0xbc/0x1b0 [ 206.999888] __arm64_sys_write+0x3c/0x58 [ 207.000246] el0_svc_common.constprop.0+0x408/0x5f0 [ 207.000607] el0_svc_handler+0x144/0x1c8 [ 207.000916] el0_svc+0x8/0xc [ 207.003699] Code: aa0003f8 a9025bf5 aa0103f5 f946ea80 (f9400303) [ 207.008388] ---[ end trace 7b6d11b5f542bdf1 ]--- [ 207.010126] Kernel panic - not syncing: Fatal exception [ 207.011322] SMP: stopping secondary CPUs [ 207.013956] Dumping ftrace buffer: [ 207.014595] (ftrace buffer empty) [ 207.015632] Kernel Offset: disabled [ 207.017187] CPU features: 0x002,20006008 [ 207.017985] Memory Limit: none [ 207.019825] ---[ end Kernel panic - not syncing: Fatal exception ]--- Link: http://lkml.kernel.org/r/20190606031754.10798-1-liwei391@huawei.com Signed-off-by: Wei Li <liwei391@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
||
Josh Poimboeuf
|
9f255b632b |
module: Fix livepatch/ftrace module text permissions race
It's possible for livepatch and ftrace to be toggling a module's text
permissions at the same time, resulting in the following panic:
BUG: unable to handle page fault for address: ffffffffc005b1d9
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 3ea0c067 P4D 3ea0c067 PUD 3ea0e067 PMD 3cc13067 PTE 3b8a1061
Oops: 0003 [#1] PREEMPT SMP PTI
CPU: 1 PID: 453 Comm: insmod Tainted: G O K 5.2.0-rc1-a188339ca5 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-20181126_142135-anatol 04/01/2014
RIP: 0010:apply_relocate_add+0xbe/0x14c
Code: fa 0b 74 21 48 83 fa 18 74 38 48 83 fa 0a 75 40 eb 08 48 83 38 00 74 33 eb 53 83 38 00 75 4e 89 08 89 c8 eb 0a 83 38 00 75 43 <89> 08 48 63 c1 48 39 c8 74 2e eb 48 83 38 00 75 32 48 29 c1 89 08
RSP: 0018:ffffb223c00dbb10 EFLAGS: 00010246
RAX: ffffffffc005b1d9 RBX: 0000000000000000 RCX: ffffffff8b200060
RDX: 000000000000000b RSI: 0000004b0000000b RDI: ffff96bdfcd33000
RBP: ffffb223c00dbb38 R08: ffffffffc005d040 R09: ffffffffc005c1f0
R10: ffff96bdfcd33c40 R11: ffff96bdfcd33b80 R12: 0000000000000018
R13: ffffffffc005c1f0 R14: ffffffffc005e708 R15: ffffffff8b2fbc74
FS: 00007f5f447beba8(0000) GS:ffff96bdff900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffc005b1d9 CR3: 000000003cedc002 CR4: 0000000000360ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
klp_init_object_loaded+0x10f/0x219
? preempt_latency_start+0x21/0x57
klp_enable_patch+0x662/0x809
? virt_to_head_page+0x3a/0x3c
? kfree+0x8c/0x126
patch_init+0x2ed/0x1000 [livepatch_test02]
? 0xffffffffc0060000
do_one_initcall+0x9f/0x1c5
? kmem_cache_alloc_trace+0xc4/0xd4
? do_init_module+0x27/0x210
do_init_module+0x5f/0x210
load_module+0x1c41/0x2290
? fsnotify_path+0x3b/0x42
? strstarts+0x2b/0x2b
? kernel_read+0x58/0x65
__do_sys_finit_module+0x9f/0xc3
? __do_sys_finit_module+0x9f/0xc3
__x64_sys_finit_module+0x1a/0x1c
do_syscall_64+0x52/0x61
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The above panic occurs when loading two modules at the same time with
ftrace enabled, where at least one of the modules is a livepatch module:
CPU0 CPU1
klp_enable_patch()
klp_init_object_loaded()
module_disable_ro()
ftrace_module_enable()
ftrace_arch_code_modify_post_process()
set_all_modules_text_ro()
klp_write_object_relocations()
apply_relocate_add()
*patches read-only code* - BOOM
A similar race exists when toggling ftrace while loading a livepatch
module.
Fix it by ensuring that the livepatch and ftrace code patching
operations -- and their respective permissions changes -- are protected
by the text_mutex.
Link: http://lkml.kernel.org/r/ab43d56ab909469ac5d2520c5d944ad6d4abd476.1560474114.git.jpoimboe@redhat.com
Reported-by: Johannes Erdfelt <johannes@erdfelt.com>
Fixes:
|
||
Eiichi Tsukata
|
a4158345ec |
tracing/uprobe: Fix obsolete comment on trace_uprobe_create()
Commit
|
||
|
Eiichi Tsukata
|
f01098c74b |
tracing/uprobe: Fix NULL pointer dereference in trace_uprobe_create()
Just like the case of commit |
||
YueHaibing
|
ff585c5b9a |
tracing: Make two symbols static
Fix sparse warnings: kernel/trace/trace.c:6927:24: warning: symbol 'get_tracing_log_err' was not declared. Should it be static? kernel/trace/trace.c:8196:15: warning: symbol 'trace_instance_dir' was not declared. Should it be static? Link: http://lkml.kernel.org/r/20190614153210.24424-1-yuehaibing@huawei.com Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com> Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
||
Vasily Gorbik
|
cbdaeaf050 |
tracing: avoid build warning with HAVE_NOP_MCOUNT
Selecting HAVE_NOP_MCOUNT enables -mnop-mcount (if gcc supports it)
and sets CC_USING_NOP_MCOUNT. Reuse __is_defined (which is suitable for
testing CC_USING_* defines) to avoid conditional compilation and fix
the following gcc 9 warning on s390:
kernel/trace/ftrace.c:2514:1: warning: ‘ftrace_code_disable’ defined
but not used [-Wunused-function]
Link: http://lkml.kernel.org/r/patch.git-1a82d13f33ac.your-ad-here.call-01559732716-ext-6629@work.hours
Fixes:
|
||
|
Eiichi Tsukata
|
becf33f694 |
tracing: Fix out-of-range read in trace_stack_print()
Puts range check before dereferencing the pointer.
Reproducer:
# echo stacktrace > trace_options
# echo 1 > events/enable
# cat trace > /dev/null
KASAN report:
==================================================================
BUG: KASAN: use-after-free in trace_stack_print+0x26b/0x2c0
Read of size 8 at addr ffff888069d20000 by task cat/1953
CPU: 0 PID: 1953 Comm: cat Not tainted 5.2.0-rc3+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-2.fc30 04/01/2014
Call Trace:
dump_stack+0x8a/0xce
print_address_description+0x60/0x224
? trace_stack_print+0x26b/0x2c0
? trace_stack_print+0x26b/0x2c0
__kasan_report.cold+0x1a/0x3e
? trace_stack_print+0x26b/0x2c0
kasan_report+0xe/0x20
trace_stack_print+0x26b/0x2c0
print_trace_line+0x6ea/0x14d0
? tracing_buffers_read+0x700/0x700
? trace_find_next_entry_inc+0x158/0x1d0
s_show+0xea/0x310
seq_read+0xaa7/0x10e0
? seq_escape+0x230/0x230
__vfs_read+0x7c/0x100
vfs_read+0x16c/0x3a0
ksys_read+0x121/0x240
? kernel_write+0x110/0x110
? perf_trace_sys_enter+0x8a0/0x8a0
? syscall_slow_exit_work+0xa9/0x410
do_syscall_64+0xb7/0x390
? prepare_exit_to_usermode+0x165/0x200
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f867681f910
Code: b6 fe ff ff 48 8d 3d 0f be 08 00 48 83 ec 08 e8 06 db 01 00 66 0f 1f 44 00 00 83 3d f9 2d 2c 00 00 75 10 b8 00 00 00 00 04
RSP: 002b:00007ffdabf23488 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f867681f910
RDX: 0000000000020000 RSI: 00007f8676cde000 RDI: 0000000000000003
RBP: 00007f8676cde000 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000000871 R11: 0000000000000246 R12: 00007f8676cde000
R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000000ec0
Allocated by task 1214:
save_stack+0x1b/0x80
__kasan_kmalloc.constprop.0+0xc2/0xd0
kmem_cache_alloc+0xaf/0x1a0
getname_flags+0xd2/0x5b0
do_sys_open+0x277/0x5a0
do_syscall_64+0xb7/0x390
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Freed by task 1214:
save_stack+0x1b/0x80
__kasan_slab_free+0x12c/0x170
kmem_cache_free+0x8a/0x1c0
putname+0xe1/0x120
do_sys_open+0x2c5/0x5a0
do_syscall_64+0xb7/0x390
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The buggy address belongs to the object at ffff888069d20000
which belongs to the cache names_cache of size 4096
The buggy address is located 0 bytes inside of
4096-byte region [ffff888069d20000, ffff888069d21000)
The buggy address belongs to the page:
page:ffffea0001a74800 refcount:1 mapcount:0 mapping:ffff88806ccd1380 index:0x0 compound_mapcount: 0
flags: 0x100000000010200(slab|head)
raw: 0100000000010200 dead000000000100 dead000000000200 ffff88806ccd1380
raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888069d1ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888069d1ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888069d20000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888069d20080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888069d20100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Link: http://lkml.kernel.org/r/20190610040016.5598-1-devel@etsukata.com
Fixes:
|
||
Andreas Gruenbacher
|
2741b6723b |
gfs2: Fix rounding error in gfs2_iomap_page_prepare
The pos and len arguments to the iomap page_prepare callback are not
block aligned, so we need to take that into account when computing the
number of blocks.
Fixes:
|
||
|
Linus Torvalds
|
72a20cee5d |
arm64 fixes for -rc5
- Fix broken SVE ptrace API when running in a big-endian configuration - Fix performance regression due to off-by-one in TLBI range checking - Fix build regression when using Clang -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAl0DsZ0ACgkQt6xw3ITB YzRE3wf9GJibmSnm9q5gmtHcKMrH+atXrI93nyzhBZxYaAYAKSiz7RCMSpc7iudI bGMruaaqn/2xrdOie3vOOfSqFfzrfcFOuh/0id9R2IyiFSg08BrI369buejNRtm+ BUhdUQCe5p5afJ7PYFa7CYD+tSC1WiHXfOhH6sRYllerwaMiR9y/eqf3Gh5zB26Q ca/+2Jh59DxXIpSWP9nTzPyV9xKOJ1B8JdMR5BMIUnOgUXQhMwNeuivRrZnEG9yT PZDGbk5WxKci+LHPOt7stFFuo7hZn3SCKJ0mZ20VUs0w7ETMJuI0Ss4TlE2mgYag TASmsypuLdRz5mxIeyY5QYXppSyYiA== =AhWz -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Here are some arm64 fixes for -rc5. The only non-trivial change (in terms of the diffstat) is fixing our SVE ptrace API for big-endian machines, but the majority of this is actually the addition of much-needed comments and updates to the documentation to try to avoid this mess biting us again in future. There are still a couple of small things on the horizon, but nothing major at this point. Summary: - Fix broken SVE ptrace API when running in a big-endian configuration - Fix performance regression due to off-by-one in TLBI range checking - Fix build regression when using Clang" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64/sve: Fix missing SVE/FPSIMD endianness conversions arm64: tlbflush: Ensure start/end of address range are aligned to stride arm64: Don't unconditionally add -Wno-psabi to KBUILD_CFLAGS |
||
|
Linus Torvalds
|
fd6b99fa41 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "16 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/devm_memremap_pages: fix final page put race PCI/P2PDMA: track pgmap references per resource, not globally lib/genalloc: introduce chunk owners PCI/P2PDMA: fix the gen_pool_add_virt() failure path mm/devm_memremap_pages: introduce devm_memunmap_pages drivers/base/devres: introduce devm_release_action() mm/vmscan.c: fix trying to reclaim unevictable LRU page coredump: fix race condition between collapse_huge_page() and core dumping mm/mlock.c: change count_mm_mlocked_page_nr return type mm: mmu_gather: remove __tlb_reset_range() for force flush fs/ocfs2: fix race in ocfs2_dentry_attach_lock() mm/vmscan.c: fix recent_rotated history mm/mlock.c: mlockall error for flag MCL_ONFAULT scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node mm: memcontrol: don't batch updates of local VM stats and events |
||
Daniel Vetter
|
e14c5873d2 |
Merge branch 'drm-fixes-5.2' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 5.2: - Extend previous vce fix for resume to uvd and vcn - Fix bounds checking in ras debugfs interface - Fix a regression on SI using amdgpu Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190613021856.3307-1-alexander.deucher@amd.com |
||
|
Linus Torvalds
|
c78ad1be4b |
IOMMU Fixes for Linux v5.2-rc4
Including: - Three Fixes for Intel VT-d to fix a potential dead-lock, a formatting fix and a bit setting fix. - One fix for the ARM-SMMU to make it work on some platforms with sub-optimal SMMU emulation. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAl0DaloACgkQK/BELZcB GuNZzw//cqRLfD7Gnk4nyDBKAp3RPH12Tm6aFXkRr0/Y2IDNj0zVkZCOENe+BQhu L8F0Nv0t5C0oUtCbx8nqtMUXqeU4Dvvb+pEuWHE+sH1uqqbwzvXNA1vHbJQy0Yht BJOPf3C/1J3LmwjZm8QjrbMk7+HF//BED8wzdp5Advu3+tJfIEUAErBKty5kg5rv ljXG4DxryOVHswEUu2i1HXLoDvCORCIrfphGFjWhIC7MkMQRRUb5NeHydN0TzCdz XfGH3B32vKXMn/sBmi4zeu3ORtvFGaj94WUsRa72qI6pDBk60mcDzZfF/LuBePhS UQQsmImdvfFlzPNr19Pf51B6s7Sv2Xcr0UiSAXb/GSk/Zvh7TTm0y7H+ZfBIUIa6 5pzWl0wmkk/e9cHrNs6gP2P0UT71xRcCWiko+EZCw7N5cgn/d46I47JMeBzZ57CF cV9zfbI8pqF0kOdG3xIbPA7oYf/trdSP2yoY6P/72A9Z7U5uNDxyPwFlwwIRqgC/ oFLPtEhglmgbPc7/5XrBNPMHbKYRbVLNNHJoy99cqMQybu7vfZ5wh51W0gedLxNR GgDDpbSKHyEdK3bUaaSuZMpHG7dzgUhezV51lOeqn8RUSEX9twO2nBwguhehFS3R ADnxqYdphwY5bNAIdqsX+Q0icH88TjpW61gNML5uLu+xhabkuqw= =wyOl -----END PGP SIGNATURE----- Merge tag 'iommu-fixes-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - three fixes for Intel VT-d to fix a potential dead-lock, a formatting fix and a bit setting fix - one fix for the ARM-SMMU to make it work on some platforms with sub-optimal SMMU emulation * tag 'iommu-fixes-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/arm-smmu: Avoid constant zero in TLBI writes iommu/vt-d: Set the right field for Page Walk Snoop iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock iommu: Add missing new line for dma type |
||
|
Linus Torvalds
|
7617c9a087 |
A single fix for the PCA953x driver affecting some fringe
variants of the chip. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJdA6YZAAoJEEEQszewGV1zyBAP/ihrrbkMOvPOObQXAYYm99Bg HtRq7xVHumgjS9MBQBR8WAL12JDlzbPxpz4b4pxcb8RDNLiA2qOPR9BFo4ud7/lQ yJPn9idgHC+yDHIQDpYwdZ2qaNIc/3zuntpdDsYpUONk0RWwWsRwZm3k8+GZMT9+ xx9kqCEuphe4bvsStzAr2BnJR76vOdwfZwS9HvAiFqA7zObOaia1ujGeKVHkaCGi eVAp1W7l7e3XmPrYbJbBYOVhrZz6gWxG2k72O1zAALlqeoxUSxfGduCpsA+fE/xR FLM8VXMWCY2RWjQSc3vQpyzDCV39reOIfFYnCmIp6C0vUuXusLKUCOyG6Y3xNveF u8T5EptrRQ2szLxJxEObX6PiAkgDgqmRWXakCIuUOtYDn6WilJAzJ3MxvsbYcnaW a5hwB0GV22ke9PH5v2H18W/ZCUeyKdFB/Te8n12UumvmvJYw/queHS8hsDxm61+L CBzwUz/XzLB+AvTQX0+KzQ3jJn/NtcMHZa3D84F/KJrqh6ZFw0fk9HCeDNMo6zx0 7BgNQFALhHk4iDKJfP8r3BAXJ3fyfja6oC2QUAem/O72q6u1FOGLvVxcoZa6g1gC 98vAzM8gYcpV13iQNM9g2GkshjnsruUoPl8f41IuSqd06fUuQ3Xn0Ijge1awbK5R b1pOsV0/olPsC/h7wBPi =dl3e -----END PGP SIGNATURE----- Merge tag 'gpio-v5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fix from Linus Walleij: "A single fix for the PCA953x driver affecting some fringe variants of the chip" * tag 'gpio-v5.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: pca953x: hack to fix 24 bit gpio expanders |
||
|
Linus Torvalds
|
bcb46a0e0e |
sound fixes for 5.2-rc5
you might feel like a deja vu to receive a bulk of changes at rc5, and it happens again; we've got a collection of fixes for ASoC. Most of fixes are targeted for the newly merged SOF (Sound Open Firmware) stuff and the relevant fixes for Intel platforms. Other than that, there are a few regression fixes for the recent ASoC core changes and HD-audio quirk, as well as a couple of FireWire fixes and for other ASoC codecs. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAl0DY4YOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE/X9BAAzLc3OXBQhnQfFGvAmW8ro/bRuhwg3KjptwNe Zd/y6V4ru2Lhuqbr+EZMZqu665EkTg1CpHydMwsmD7bbmi47Xet7ocufjQMgHKcX l+QVRvzB+Ve5ARdUww8B6jqoc7CvZiM/tcW9VP3kphXOD4/iY1VcnRbVzHGYrAgI drLCnlC91Z5ssWPmAjuju6vZUwqCQupALs0wtdRFnwRonz0sCcPKjKzPAoS6KVQS 6kzRW3nLqKMpatbXdaSjb5tdVxRax8042sqaCqppvE1ToxvkbvSZykOwLQGDdCDn zkHUv+hmS76IV2Q4baCkAl4fkborKOJXgNQnoxQ5VDbOzBbOMy6867jQ+Y3gEx8k UqGpS2AA46c3pQcUvos0KqqHaSe3ESP2sH02k0BWWpmnyo927MAYE7qm80BnqjmJ emXXs0I5u5MkUBb00jP2QpvZqhoKzRLD84BWuHSlg5gIDCQ1cn1WIQaq8YIT4+Bf V50QUZMPI3PIw1g81XYLZXbhT/0b3zurOOhwEChPyJdz1ZoIyEeGMxt1rsZWD64B qn24AzRfIQTDteIYUmYovUtzZeFcAqQDsbtLQa98BzDHAYhvJEc+1bbT/NYgtv7/ zJqeFX9CbOcDihmiThvZKVAfThQeUCSWFBXk5JgBxs19uUa4et7XCHbXmPeyBJiq gF2xAhs= =9U0L -----END PGP SIGNATURE----- Merge tag 'sound-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "It might feel like deja vu to receive a bulk of changes at rc5, and it happens again; we've got a collection of fixes for ASoC. Most of fixes are targeted for the newly merged SOF (Sound Open Firmware) stuff and the relevant fixes for Intel platforms. Other than that, there are a few regression fixes for the recent ASoC core changes and HD-audio quirk, as well as a couple of FireWire fixes and for other ASoC codecs" * tag 'sound-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (54 commits) Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops" ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire) ALSA: oxfw: allow PCM capture for Stanton SCS.1m ALSA: firewire-motu: fix destruction of data for isochronous resources ASoC: Intel: sst: fix kmalloc call with wrong flags ASoC: core: Fix deadlock in snd_soc_instantiate_card() SoC: rt274: Fix internal jack assignment in set_jack callback ALSA: hdac: fix memory release for SST and SOF drivers ASoC: SOF: Intel: hda: use the defined ppcap functions ASoC: core: move DAI pre-links initiation to snd_soc_instantiate_card ASoC: Intel: cht_bsw_rt5672: fix kernel oops with platform_name override ASoC: Intel: cht_bsw_nau8824: fix kernel oops with platform_name override ASoC: Intel: bytcht_es8316: fix kernel oops with platform_name override ASoC: Intel: cht_bsw_max98090: fix kernel oops with platform_name override ASoC: sun4i-i2s: Add offset to RX channel select ASoC: sun4i-i2s: Fix sun8i tx channel offset mask ASoC: max98090: remove 24-bit format support if RJ is 0 ASoC: da7219: Fix build error without CONFIG_I2C ASoC: SOF: Intel: hda: Fix COMPILE_TEST build error ASoC: SOF: fix DSP oops definitions in FW ABI ... |
||
Andrey Ryabinin
|
f3176ec942 |
x86/kasan: Fix boot with 5-level paging and KASAN
Since commit |
||
Thomas Gleixner
|
e3ff9c3678 |
timekeeping: Repair ktime_get_coarse*() granularity
Jason reported that the coarse ktime based time getters advance only once
per second and not once per tick as advertised.
The code reads only the monotonic base time, which advances once per
second. The nanoseconds are accumulated on every tick in xtime_nsec up to
a second and the regular time getters take this nanoseconds offset into
account, but the ktime_get_coarse*() implementation fails to do so.
Add the accumulated xtime_nsec value to the monotonic base time to get the
proper per tick advancing coarse tinme.
Fixes:
|
||
|
Daniel Vetter
|
744ed8cb8a |
meson: A few G12A fixes across the driver (Neil)
quirks: A couple quirks for GPD devices (Hans) gem_shmem: Use writecombine when vmapping non-dmabuf BOs (Boris) panfrost: A couple tweaks to requiring devfreq (Neil & Ezequiel) edid: Ensure we return the override mode when ddc probe fails (Jani) Cc: Hans de Goede <hdegoede@redhat.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Ezequiel Garcia <ezequiel@collabora.com> Cc: Jani Nikula <jani.nikula@intel.com> -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEfxcpfMSgdnQMs+QqlvcN/ahKBwoFAl0CXtkACgkQlvcN/ahK BwpkGwf8CTfNtC5/09JdDx/AIiHyuBF87M0/u+G+PHlSNwpVGz4ot1kLDQ7KU04u 2UttAR7TNfrl/c5dBSGhEnidpD7UTsU1zPSfizwkbnwcFpmOop8V16eVUtzvKvhk krwLsLbeYUAGopDF7LzY1XA3R0k9irMC+d7hJzZvlPb0g33hZBfeCKJDyFkcVV4t Aqvumg9gTVk2whIqpa+ICnWSp9wmaMIHSySpvfr61orXzrPPyCKb5yiXbiYrwhOA 0JEEGN6hORBuox7x00/s7M/8UogwPa6xpOVfbtaLIs5Wapfd/5bgnh+WK3jU6Urm NIzwX/0k9OwCMYMTJgF+oV7ANetQOg== =BuMw -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2019-06-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Sean writes: meson: A few G12A fixes across the driver (Neil) quirks: A couple quirks for GPD devices (Hans) gem_shmem: Use writecombine when vmapping non-dmabuf BOs (Boris) panfrost: A couple tweaks to requiring devfreq (Neil & Ezequiel) edid: Ensure we return the override mode when ddc probe fails (Jani) Cc: Hans de Goede <hdegoede@redhat.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Ezequiel Garcia <ezequiel@collabora.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20190613143946.GA24233@art_vandelay |
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Hui Wang
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17d304604a |
Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops"
This reverts commit |
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Dan Williams
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50f44ee724 |
mm/devm_memremap_pages: fix final page put race
Logan noticed that devm_memremap_pages_release() kills the percpu_ref
drops all the page references that were acquired at init and then
immediately proceeds to unplug, arch_remove_memory(), the backing pages
for the pagemap. If for some reason device shutdown actually collides
with a busy / elevated-ref-count page then arch_remove_memory() should
be deferred until after that reference is dropped.
As it stands the "wait for last page ref drop" happens *after*
devm_memremap_pages_release() returns, which is obviously too late and
can lead to crashes.
Fix this situation by assigning the responsibility to wait for the
percpu_ref to go idle to devm_memremap_pages() with a new ->cleanup()
callback. Implement the new cleanup callback for all
devm_memremap_pages() users: pmem, devdax, hmm, and p2pdma.
Link: http://lkml.kernel.org/r/155727339156.292046.5432007428235387859.stgit@dwillia2-desk3.amr.corp.intel.com
Fixes:
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Dan Williams
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1570175abd |
PCI/P2PDMA: track pgmap references per resource, not globally
In preparation for fixing a race between devm_memremap_pages_release() and the final put of a page from the device-page-map, allocate a percpu-ref per p2pdma resource mapping. Link: http://lkml.kernel.org/r/155727338646.292046.9922678317501435597.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Jérôme Glisse" <jglisse@redhat.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Dan Williams
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795ee30648 |
lib/genalloc: introduce chunk owners
The p2pdma facility enables a provider to publish a pool of dma
addresses for a consumer to allocate. A genpool is used internally by
p2pdma to collect dma resources, 'chunks', to be handed out to
consumers. Whenever a consumer allocates a resource it needs to pin the
'struct dev_pagemap' instance that backs the chunk selected by
pci_alloc_p2pmem().
Currently that reference is taken globally on the entire provider
device. That sets up a lifetime mismatch whereby the p2pdma core needs
to maintain hacks to make sure the percpu_ref is not released twice.
This lifetime mismatch also stands in the way of a fix to
devm_memremap_pages() whereby devm_memremap_pages_release() must wait for
the percpu_ref ->release() callback to complete before it can proceed to
teardown pages.
So, towards fixing this situation, introduce the ability to store a 'chunk
owner' at gen_pool_add() time, and a facility to retrieve the owner at
gen_pool_{alloc,free}() time. For p2pdma this will be used to store and
recall individual dev_pagemap reference counter instances per-chunk.
Link: http://lkml.kernel.org/r/155727338118.292046.13407378933221579644.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dan Williams
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e615a19121 |
PCI/P2PDMA: fix the gen_pool_add_virt() failure path
The pci_p2pdma_add_resource() implementation immediately frees the pgmap
if gen_pool_add_virt() fails. However, that means that when @dev
triggers a devres release devm_memremap_pages_release() will crash
trying to access the freed @pgmap.
Use the new devm_memunmap_pages() to manually free the mapping in the
error path.
Link: http://lkml.kernel.org/r/155727337603.292046.13101332703665246702.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Fixes:
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Dan Williams
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2e3f139e8e |
mm/devm_memremap_pages: introduce devm_memunmap_pages
Use the new devm_release_action() facility to allow devm_memremap_pages_release() to be manually triggered. Link: http://lkml.kernel.org/r/155727337088.292046.5774214552136776763.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Jérôme Glisse" <jglisse@redhat.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Dan Williams
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2374b68225 |
drivers/base/devres: introduce devm_release_action()
Patch series "mm/devm_memremap_pages: Fix page release race", v2.
Logan audited the devm_memremap_pages() shutdown path and noticed that
it was possible to proceed to arch_remove_memory() before all potential
page references have been reaped.
Introduce a new ->cleanup() callback to do the work of waiting for any
straggling page references and then perform the percpu_ref_exit() in
devm_memremap_pages_release() context.
For p2pdma this involves some deeper reworks to reference count
resources on a per-instance basis rather than a per pci-device basis. A
modified genalloc api is introduced to convey a driver-private pointer
through gen_pool_{alloc,free}() interfaces. Also, a
devm_memunmap_pages() api is introduced since p2pdma does not
auto-release resources on a setup failure.
The dax and pmem changes pass the nvdimm unit tests, and the p2pdma
changes should now pass testing with the pci_p2pdma_release() fix.
Jrme, how does this look for HMM?
This patch (of 6):
The devm_add_action() facility allows a resource allocation routine to
add custom devm semantics. One such user is devm_memremap_pages().
There is now a need to manually trigger
devm_memremap_pages_release(). Introduce devm_release_action() so the
release action can be triggered via a new devm_memunmap_pages() api in a
follow-on change.
Link: http://lkml.kernel.org/r/155727336530.292046.2926860263201336366.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Jérôme Glisse" <jglisse@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Minchan Kim
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a58f2cef26 |
mm/vmscan.c: fix trying to reclaim unevictable LRU page
There was the below bug report from Wu Fangsuo. On the CMA allocation path, isolate_migratepages_range() could isolate unevictable LRU pages and reclaim_clean_page_from_list() can try to reclaim them if they are clean file-backed pages. page:ffffffbf02f33b40 count:86 mapcount:84 mapping:ffffffc08fa7a810 index:0x24 flags: 0x19040c(referenced|uptodate|arch_1|mappedtodisk|unevictable|mlocked) raw: 000000000019040c ffffffc08fa7a810 0000000000000024 0000005600000053 raw: ffffffc009b05b20 ffffffc009b05b20 0000000000000000 ffffffc09bf3ee80 page dumped because: VM_BUG_ON_PAGE(PageLRU(page) || PageUnevictable(page)) page->mem_cgroup:ffffffc09bf3ee80 ------------[ cut here ]------------ kernel BUG at /home/build/farmland/adroid9.0/kernel/linux/mm/vmscan.c:1350! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 7125 Comm: syz-executor Tainted: G S 4.14.81 #3 Hardware name: ASR AQUILAC EVB (DT) task: ffffffc00a54cd00 task.stack: ffffffc009b00000 PC is at shrink_page_list+0x1998/0x3240 LR is at shrink_page_list+0x1998/0x3240 pc : [<ffffff90083a2158>] lr : [<ffffff90083a2158>] pstate: 60400045 sp : ffffffc009b05940 .. shrink_page_list+0x1998/0x3240 reclaim_clean_pages_from_list+0x3c0/0x4f0 alloc_contig_range+0x3bc/0x650 cma_alloc+0x214/0x668 ion_cma_allocate+0x98/0x1d8 ion_alloc+0x200/0x7e0 ion_ioctl+0x18c/0x378 do_vfs_ioctl+0x17c/0x1780 SyS_ioctl+0xac/0xc0 Wu found it's due to commit |
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Andrea Arcangeli
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59ea6d06cf |
coredump: fix race condition between collapse_huge_page() and core dumping
When fixing the race conditions between the coredump and the mmap_sem holders outside the context of the process, we focused on mmget_not_zero()/get_task_mm() callers in |
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swkhack
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0874bb49bb |
mm/mlock.c: change count_mm_mlocked_page_nr return type
On a 64-bit machine the value of "vma->vm_end - vma->vm_start" may be
negative when using 32 bit ints and the "count >> PAGE_SHIFT"'s result
will be wrong. So change the local variable and return value to
unsigned long to fix the problem.
Link: http://lkml.kernel.org/r/20190513023701.83056-1-swkhack@gmail.com
Fixes:
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Yang Shi
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7a30df49f6 |
mm: mmu_gather: remove __tlb_reset_range() for force flush
A few new fields were added to mmu_gather to make TLB flush smarter for huge page by telling what level of page table is changed. __tlb_reset_range() is used to reset all these page table state to unchanged, which is called by TLB flush for parallel mapping changes for the same range under non-exclusive lock (i.e. read mmap_sem). Before commit |