linux-stable.git/tools/testing/selftests/powerpc/alignment/alignment_handler.c, branch linux-5.6.y Linux kernel stable tree treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30T18:26:32+00:00 Thomas Gleixner tglx@linutronix.de 2019-05-27T06:55:01+00:00 2874c5fd284268364ece81a7bd936f3c8168e567 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
selftests/powerpc: Add more version checks to alignment_handler test 2018-08-07T14:32:28+00:00 Michael Ellerman mpe@ellerman.id.au 2018-07-31T12:08:42+00:00 8e4bdc699bf32c58bfff7b2bfac204a6bf5efb69 The alignment_handler is documented to only work on Power8/Power9, but we can make it run on older CPUs by guarding more of the tests with feature checks. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> 
The alignment_handler is documented to only work on Power8/Power9, but
we can make it run on older CPUs by guarding more of the tests with
feature checks.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
selftests/powerpc: Skip earlier in alignment_handler test 2018-08-07T14:32:28+00:00 Michael Ellerman mpe@ellerman.id.au 2018-07-31T12:08:41+00:00 edba42cd14dbb0cc8b48cf786b006ac5da4cd9a7 Currently the alignment_handler test prints "Can't open /dev/fb0" about 80 times per run, which is a little annoying. Refactor it to check earlier if it can open /dev/fb0 and skip if not, this results in each test printing something like: test: test_alignment_handler_vsx_206 tags: git_version:v4.18-rc3-134-gfb21a48904aa [SKIP] Test skipped on line 291 skip: test_alignment_handler_vsx_206 Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> 
Currently the alignment_handler test prints "Can't open /dev/fb0"
about 80 times per run, which is a little annoying.

Refactor it to check earlier if it can open /dev/fb0 and skip if not,
this results in each test printing something like:

  test: test_alignment_handler_vsx_206
  tags: git_version:v4.18-rc3-134-gfb21a48904aa
  [SKIP] Test skipped on line 291
  skip: test_alignment_handler_vsx_206

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
selftests/powerpc: Fix to use ucontext_t instead of struct ucontext 2018-02-13T11:44:18+00:00 Harish harish@linux.vnet.ibm.com 2018-02-13T06:32:55+00:00 ecdf06e1ea5376bba03c155751f6869d3dfaa210 With glibc 2.26 'struct ucontext' is removed to improve POSIX compliance, which breaks powerpc/alignment_handler selftest. Fix the test by using ucontext_t. Tested on ppc, works with older glibc versions as well. Fixes the following: alignment_handler.c: In function ‘sighandler’: alignment_handler.c:68:5: error: dereferencing pointer to incomplete type ‘struct ucontext’ ucp->uc_mcontext.gp_regs[PT_NIP] += 4; Signed-off-by: Harish <harish@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 
With glibc 2.26 'struct ucontext' is removed to improve POSIX
compliance, which breaks powerpc/alignment_handler selftest. Fix the
test by using ucontext_t. Tested on ppc, works with older glibc
versions as well.

Fixes the following:
  alignment_handler.c: In function ‘sighandler’:
  alignment_handler.c:68:5: error: dereferencing pointer to incomplete type ‘struct ucontext’
    ucp->uc_mcontext.gp_regs[PT_NIP] += 4;

Signed-off-by: Harish <harish@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
selftests/powerpc: Add alignment handler selftest 2018-01-21T18:48:34+00:00 Andrew Donnellan andrew.donnellan@au1.ibm.com 2017-10-16T05:04:02+00:00 8d1915873d492b8e1f03bbcab527db62a8d49542 Add a selftest to exercise the powerpc alignment fault handler. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> [mpe: Add 32-bit support to the signal handler] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 
Add a selftest to exercise the powerpc alignment fault handler.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
[mpe: Add 32-bit support to the signal handler]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>