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Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices: OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
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Michael Ellerman 0edc2ca9cc Revert "powerpc: Handle simultaneous interrupts at once" 
This reverts commit 45cb08f479.

For some reason this is causing IRQ problems on Freescale Book3E
machines, eg on my p5020ds:

  irq 25: nobody cared (try booting with the "irqpoll" option)
  CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-rc3-gcc-6.3.1-00037-g45cb08f4791c #624
  Call Trace:
  [c0000000fffdbb10] [c00000000049962c] .dump_stack+0xa8/0xe8 (unreliable)
  [c0000000fffdbba0] [c0000000000babf4] .__report_bad_irq+0x54/0x140
  [c0000000fffdbc40] [c0000000000bb11c] .note_interrupt+0x324/0x380
  [c0000000fffdbd00] [c0000000000b7110] .handle_irq_event_percpu+0x68/0x88
  [c0000000fffdbd90] [c0000000000b718c] .handle_irq_event+0x5c/0xa8
  [c0000000fffdbe10] [c0000000000bc01c] .handle_fasteoi_irq+0xe4/0x298
  [c0000000fffdbe90] [c0000000000b59c4] .generic_handle_irq+0x50/0x74
  [c0000000fffdbf10] [c0000000000075d8] .__do_irq+0x74/0x1f0
  [c0000000fffdbf90] [c0000000000189f8] .call_do_irq+0x14/0x24
  [c0000000f7173060] [c0000000000077e4] .do_IRQ+0x90/0x120
  [c0000000f7173100] [c00000000001d93c] exc_0x500_common+0xfc/0x100
  --- interrupt: 501 at .prepare_to_wait_event+0xc/0x14c
      LR = .fsl_elbc_run_command+0xc8/0x23c
  [c0000000f71734d0] [c00000000065f418] .nand_reset+0xb8/0x168
  [c0000000f7173560] [c00000000065fec4] .nand_scan_ident+0x2b0/0x1638
  [c0000000f7173650] [c000000000666cd8] .fsl_elbc_nand_probe+0x34c/0x5f0
  ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
  [c0000000f7173750] [c0000000005a3c60] .platform_drv_probe+0x64/0xb0
  [c0000000f71737d0] [c0000000005a12e0] .really_probe+0x290/0x334
  [c0000000f7173870] [c0000000005a14a0] .__driver_attach+0x11c/0x120
  [c0000000f7173900] [c00000000059e6a0] .bus_for_each_dev+0x98/0xfc
  [c0000000f71739a0] [c0000000005a0b3c] .driver_attach+0x34/0x4c
  [c0000000f7173a20] [c0000000005a04b0] .bus_add_driver+0x1ac/0x2e0
  [c0000000f7173ac0] [c0000000005a2170] .driver_register+0x94/0x160
  [c0000000f7173b40] [c0000000005a3be0] .__platform_driver_register+0x60/0x7c
  [c0000000f7173bc0] [c000000000d6aab4] .fsl_elbc_nand_driver_init+0x24/0x38
  [c0000000f7173c30] [c000000000001934] .do_one_initcall+0x68/0x1b8
  [c0000000f7173d00] [c000000000d210f8] .kernel_init_freeable+0x260/0x338
  [c0000000f7173db0] [c0000000000021b0] .kernel_init+0x20/0xe70
  [c0000000f7173e30] [c0000000000009bc] .ret_from_kernel_thread+0x58/0x9c
  handlers:
  [<c000000000ed85c8>] .fsl_lbc_ctrl_irq
  Disabling IRQ #25

Ben also had concerns with the implementation being potentially slow on
some PICs, so revert it for now.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-06-15 16:20:46 +10:00
arch Revert "powerpc: Handle simultaneous interrupts at once" 2017-06-15 16:20:46 +10:00
block Merge branch 'nvme-4.12' of git://git.infradead.org/nvme into for-linus 2017-05-26 09:11:19 -06:00
certs scripts/spelling.txt: add "intialise(d)" pattern and fix typo instances 2017-05-08 17:15:13 -07:00
crypto crypto: skcipher - Add missing API setkey checks 2017-05-18 13:04:05 +08:00
Documentation powerpc/fadump: Update comment about offset where fadump is reserved 2017-06-02 20:16:49 +10:00
drivers cxl: Unlock on error in probe 2017-06-06 19:23:52 +10:00
firmware firmware/Makefile: force recompilation if makefile changes 2017-05-08 17:15:10 -07:00
fs Changed since last update: 2017-05-26 12:13:08 -07:00
include powerpc: Link warning for orphan sections 2017-05-30 14:59:51 +10:00
init Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-10 10:30:46 -07:00
ipc mm: introduce kv[mz]alloc helpers 2017-05-08 17:15:12 -07:00
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-27 09:14:24 -07:00
lib test_bpf: Add a couple of tests for BPF_JSGE. 2017-05-25 14:37:56 -04:00
mm mm: vmscan: scan until it finds eligible pages 2017-05-12 15:57:16 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-26 13:51:01 -07:00
samples samples/bpf: run cleanup routines when receiving SIGTERM 2017-05-11 21:43:30 -04:00
scripts DeviceTree fixes for 4.12-rc: 2017-05-19 15:03:24 -07:00
security Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-05-09 09:12:53 -07:00
sound sound fixes for 4.12-rc3 2017-05-26 09:03:09 -07:00
tools selftests/powerpc: context_switch use private futexes with threads 2017-06-05 16:55:01 +10:00
usr initramfs: provide a way to ignore image provided by bootloader 2017-05-08 17:15:12 -07:00
virt KVM: arm/arm64: Hold slots_lock when unregistering kvm io bus devices 2017-05-18 11:18:16 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: Add support to generate LLVM assembly files 2017-04-25 08:13:52 +09:00
.mailmap power supply and reset changes for the v4.12 series (part 2) 2017-05-12 12:02:21 -07:00
COPYING [PATCH] update FSF address in COPYING 2005-09-10 10:06:29 -07:00
CREDITS avr32: remove support for AVR32 architecture 2017-05-01 09:27:15 +02:00
Kbuild kbuild: Consolidate header generation from ASM offset information 2017-04-13 05:43:37 +09:00
Kconfig kbuild: migrate all arch to the kconfig mainmenu upgrade 2010-09-19 22:54:11 -04:00
MAINTAINERS MAINTAINERS: Update my email address from freescale to nxp 2017-06-05 16:58:13 +10:00
Makefile Linux 4.12-rc3 2017-05-28 17:20:53 -07:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.