[PATCH v2 00/11] fw_devlink improvements

[Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>]

Build test pass on arm, arm64, i386, mips, parisc, powerpc, riscv, s390, sh,
sparc and x86_64.

Boot and LTP smoke pass on qemu-arm64, qemu-armv7, qemu-i386 and qemu-x86_64.
Boot failed on FVP.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Please refer following link for details of testing.
FVP boot log failed.
https://qa-reports.linaro.org/~anders.roxell/linux-mainline-patches/build/lore_kernel_org_linux-devicetree_20230127001141_407071-1-saravanak_google_com/testrun/14389034/suite/boot/test/gcc-12-lkftconfig-64k_page_size/details/


[    2.613437] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010
[    2.613628] Mem abort info:
[    2.613756]   ESR = 0x0000000096000005
[    2.613904]   EC = 0x25: DABT (current EL), IL = 32 bits
[    2.614071]   SET = 0, FnV = 0
[    2.614215]   EA = 0, S1PTW = 0
[    2.614358]   FSC = 0x05: level 1 translation fault
[    2.614517] Data abort info:
[    2.614647]   ISV = 0, ISS = 0x00000005
[    2.614792]   CM = 0, WnR = 0
[    2.614934] [0000000000000010] user address but active_mm is swapper
[    2.615105] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[    2.615219] Modules linked in:
[    2.615310] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.2.0-rc5 #1
[    2.615445] Hardware name: FVP Base RevC (DT)
[    2.615533] pstate: 61400009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[    2.615685] pc : gpiochip_setup_dev (include/linux/err.h:41 include/linux/fwnode.h:201 drivers/gpio/gpiolib.c:586) 
[    2.615816] lr : gpiochip_add_data_with_key (drivers/gpio/gpiolib.c:871) 
[    2.615970] sp : ffff8000081af5e0
[    2.616051] x29: ffff8000081af5e0 x28: 0000000000000000 x27: ffff0008027cb5a0
[    2.616261] x26: 0000000000000000 x25: ffffd7c5d6745910 x24: ffff0008027f4800
[    2.616472] x23: 0000000000000000 x22: ffffd7c5d62b99a8 x21: 0000000000000202
[    2.616679] x20: 0000000000000000 x19: ffff0008027f4800 x18: ffffffffffffffff
[    2.616890] x17: ffffd7c5d6467928 x16: 0000000013e3690a x15: ffff8000081af3b0
[    2.617102] x14: ffff00080275cd8a x13: ffff00080275cd88 x12: 0000000000000001
[    2.617312] x11: 62726568746f6d3a x10: 0000000000000000 x9 : ffffd7c5d3b3ebe0
[    2.617522] x8 : ffff8000081af548 x7 : 0000000000000000 x6 : 0000000000000001
[    2.617727] x5 : 0000000000000000 x4 : ffff000800640000 x3 : ffffd7c5d62b99c8
[    2.617933] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
[    2.618138] Call trace:
[    2.618204] gpiochip_setup_dev (include/linux/err.h:41 include/linux/fwnode.h:201 drivers/gpio/gpiolib.c:586) 
[    2.618337] gpiochip_add_data_with_key (drivers/gpio/gpiolib.c:871) 
[    2.618493] devm_gpiochip_add_data_with_key (drivers/gpio/gpiolib-devres.c:478) 
[    2.618654] bgpio_pdev_probe (drivers/gpio/gpio-mmio.c:793) 
[    2.618785] platform_probe (drivers/base/platform.c:1401) 
[    2.618928] really_probe (drivers/base/dd.c:560 drivers/base/dd.c:639) 
[    2.619056] __driver_probe_device (drivers/base/dd.c:778) 
[    2.619193] driver_probe_device (drivers/base/dd.c:808) 
[    2.619329] __device_attach_driver (drivers/base/dd.c:937) 
[    2.619464] bus_for_each_drv (drivers/base/bus.c:427) 
[    2.619590] __device_attach (drivers/base/dd.c:1010) 
[    2.619722] device_initial_probe (drivers/base/dd.c:1058) 
[    2.619861] bus_probe_device (drivers/base/bus.c:489) 
[    2.619988] device_add (drivers/base/core.c:3637) 
[    2.620102] platform_device_add (drivers/base/platform.c:717) 
[    2.620251] mfd_add_device (drivers/mfd/mfd-core.c:297) 
[    2.620397] devm_mfd_add_devices (drivers/mfd/mfd-core.c:351 drivers/mfd/mfd-core.c:449) 
[    2.620548] vexpress_sysreg_probe (drivers/mfd/vexpress-sysreg.c:115) 
[    2.620672] platform_probe (drivers/base/platform.c:1401) 
[    2.620814] really_probe (drivers/base/dd.c:560 drivers/base/dd.c:639) 
[    2.620940] __driver_probe_device (drivers/base/dd.c:778) 
[    2.621080] driver_probe_device (drivers/base/dd.c:808) 
[    2.621216] __driver_attach (drivers/base/dd.c:1195) 
[    2.621344] bus_for_each_dev (drivers/base/bus.c:301) 
[    2.621467] driver_attach (drivers/base/dd.c:1212) 
[    2.621596] bus_add_driver (drivers/base/bus.c:618) 
[    2.621720] driver_register (drivers/base/driver.c:246) 
[    2.621859] __platform_driver_register (drivers/base/platform.c:868) 
[    2.622012] vexpress_sysreg_driver_init (drivers/mfd/vexpress-sysreg.c:134) 
[    2.622145] do_one_initcall (init/main.c:1306) 
[    2.622269] kernel_init_freeable (init/main.c:1378 init/main.c:1395 init/main.c:1414 init/main.c:1634) 
[    2.622394] kernel_init (init/main.c:1526) 
[    2.622531] ret_from_fork (arch/arm64/kernel/entry.S:864) 
[ 2.622692] Code: 910003fd a90153f3 aa0003f3 f9414c00 (f9400801)
All code
========
   0:*	fd                   	std    		<-- trapping instruction
   1:	03 00                	add    (%rax),%eax
   3:	91                   	xchg   %eax,%ecx
   4:	f3 53                	repz push %rbx
   6:	01 a9 f3 03 00 aa    	add    %ebp,-0x55fffc0d(%rcx)
   c:	00 4c 41 f9          	add    %cl,-0x7(%rcx,%rax,2)
  10:	01 08                	add    %ecx,(%rax)
  12:	40 f9                	rex stc 

Code starting with the faulting instruction
===========================================
   0:	01 08                	add    %ecx,(%rax)
   2:	40 f9                	rex stc 
[    2.622807] ---[ end trace 0000000000000000 ]---
[    2.623043] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.623157] SMP: stopping secondary CPUs
[    2.623303] Kernel Offset: 0x57c5cb400000 from 0xffff800008000000
[    2.623413] PHYS_OFFSET: 0x80000000
[    2.623492] CPU features: 0x00000,001439ff,cd3e772f
[    2.623591] Memory Limit: none
[    2.623679] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---


ref:
 - https://qa-reports.linaro.org/~anders.roxell/linux-mainline-patches/build/lore_kernel_org_linux-devicetree_20230127001141_407071-1-saravanak_google_com/?results_layout=table&failures_only=false#!?details=#test-results



--
Linaro LKFT
https://lkft.linaro.org