AuxXxilium/linux_dsm_epyc7002
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d92116b800
linux_dsm_epyc7002/arch/x86
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Lubomir Rintel d92116b800 x86/olpc: Indicate that legacy PC XO-1 platform should not register RTC 
On OLPC XO-1, the RTC is discovered via device tree from the arch
initcall. Don't let the PC platform register another one from its device
initcall, it's not going to work:

  sysfs: cannot create duplicate filename '/devices/platform/rtc_cmos'
  CPU: 0 PID: 1 Comm: swapper Not tainted 4.19.0-rc6 #12
  Hardware name: OLPC XO/XO, BIOS OLPC Ver 1.00.01 06/11/2014
  Call Trace:
   dump_stack+0x16/0x18
   sysfs_warn_dup+0x46/0x58
   sysfs_create_dir_ns+0x76/0x9b
   kobject_add_internal+0xed/0x209
   ? __schedule+0x3fa/0x447
   kobject_add+0x5b/0x66
   device_add+0x298/0x535
   ? insert_resource_conflict+0x2a/0x3e
   platform_device_add+0x14d/0x192
   ? io_delay_init+0x19/0x19
   platform_device_register+0x1c/0x1f
   add_rtc_cmos+0x16/0x31
   do_one_initcall+0x78/0x14a
   ? do_early_param+0x75/0x75
   kernel_init_freeable+0x152/0x1e0
   ? rest_init+0xa2/0xa2
   kernel_init+0x8/0xd5
   ret_from_fork+0x2e/0x38
  kobject_add_internal failed for rtc_cmos with -EEXIST, don't try to
    register things with the same name in the same directory.
  platform rtc_cmos: registered platform RTC device (no PNP device found)

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/20181004160808.307738-1-lkundrak@v3.sk
2018-10-05 12:29:20 +02:00
..
boot x86/boot: Fix kexec booting failure in the SEV bit detection code 2018-09-27 19:35:03 +02:00
configs
crypto crypto: x86/aegis,morus - Do not require OSXSAVE for SSE2 2018-09-14 14:08:27 +08:00
entry x86/vdso: Fix vDSO build if a retpoline is emitted 2018-08-20 18:04:41 +02:00
events perf/x86/intel: Add support/quirk for the MISPREDICT bit on Knights Landing CPUs 2018-09-10 10:03:01 +02:00
hyperv x86/hyper-v: rename ipi_arg_{ex,non_ex} structures 2018-09-20 00:51:42 +02:00
ia32 syscalls/x86: auto-create compat_sys_*() prototypes 2018-04-02 20:16:18 +02:00
include Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-23 08:10:12 +02:00
kernel x86/mm: Expand static page table for fixmap space 2018-09-20 23:17:22 +02:00
kvm KVM: nVMX: Fix bad cleanup on error of get/set nested state IOCTLs 2018-09-20 18:54:08 +02:00
lib x86/nmi: Fix NMI uaccess race against CR3 switching 2018-08-31 17:08:22 +02:00
math-emu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm x86/mm: Expand static page table for fixmap space 2018-09-20 23:17:22 +02:00
net bpf, x32: Fix regression caused by commit 24dea04767 2018-07-26 02:51:12 +02:00
oprofile x86/oprofile: Fix bogus GCC-8 warning in nmi_setup() 2018-02-21 09:54:17 +01:00
pci PCI: Make early dump functionality generic 2018-06-29 20:06:07 -05:00
platform x86/olpc: Indicate that legacy PC XO-1 platform should not register RTC 2018-10-05 12:29:20 +02:00
power Power management updates for 4.19-rc1 2018-08-14 13:12:24 -07:00
purgatory kbuild: move bin2c back to scripts/ from scripts/basic/ 2018-07-18 01:18:05 +09:00
ras License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
realmode x86-64/realmode: Add instruction suffix 2018-02-20 09:33:41 +01:00
tools x86/relocs: Add __end_rodata_aligned to S_REL 2018-08-09 20:42:07 +02:00
um Consolidation of Kconfig files by Christoph Hellwig. 2018-08-15 13:05:12 -07:00
video
xen xen: fixes for 4.19-rc5 2018-09-23 13:32:19 +02:00
.gitignore x86/build: Add arch/x86/tools/insn_decoder_test to .gitignore 2018-02-13 14:10:29 +01:00
Kbuild
Kconfig x86/Kconfig: Fix trivial typo 2018-08-27 10:29:14 +02:00
Kconfig.cpu Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-03-25 07:36:02 -10:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile x86: Allow generating user-space headers without a compiler 2018-08-31 17:08:22 +02:00
Makefile_32.cpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.um kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00