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f50b487832
linux/tools/testing/selftests/x86
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Dave Hansen f50b487832 x86/pkeys/selftests: Fix pkey exhaustion test off-by-one 
In our "exhaust all pkeys" test, we make sure that there
is the expected number available.  Turns out that the
test did not cover the execute-only key, but discussed
it anyway.  It did *not* discuss the test-allocated
key.

Now that we have a test for the mprotect(PROT_EXEC) case,
this off-by-one issue showed itself.  Correct the off-by-
one and add the explanation for the case we missed.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Ellermen <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180509171350.E1656B95@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-05-14 11:14:45 +02:00
..
.gitignore selftests: x86: add missing executables to .gitignore 2017-05-03 10:55:20 -06:00
check_cc.sh selftests, x86: Rework x86 target architecture detection 2015-05-12 20:02:40 -06:00
check_initial_reg_state.c selftests/x86: Add check_initial_reg_state() 2016-01-29 09:46:37 +01:00
entry_from_vm86.c selftests/x86/entry_from_vm86: Add test cases for POPF 2018-03-14 09:21:01 +01:00
fsgsbase.c selftests/x86/fsgsbase: Test selectors 1, 2, and 3 2017-08-10 17:15:13 +02:00
ioperm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iopl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ldt_gdt.c x86/ldt: Make the LDT mapping RO 2017-12-23 21:13:01 +01:00
Makefile x86/selftests: Add mov_to_ss test 2018-05-14 11:14:45 +02:00
mov_ss_trap.c x86/selftests: Add mov_to_ss test 2018-05-14 11:14:45 +02:00
mpx-debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpx-dig.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpx-hw.h x86/mpx/selftests: Fix up weird arrays 2017-11-21 09:34:52 +01:00
mpx-mini-test.c x86/mpx/selftests: Adjust the self-test to fresh distros that export the MPX ABI 2018-05-14 11:14:45 +02:00
mpx-mm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pkey-helpers.h x86/pkeys/selftests: Avoid printf-in-signal deadlocks 2018-05-14 11:14:45 +02:00
protection_keys.c x86/pkeys/selftests: Fix pkey exhaustion test off-by-one 2018-05-14 11:14:45 +02:00
ptrace_syscall.c selftests/x86/ptrace_syscall: Fix for yet more glibc interference 2018-03-19 09:06:15 +01:00
raw_syscall_helper_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sigreturn.c selftests/x86/sigreturn: Use CX, not AX, as the scratch register 2016-09-13 20:34:15 +02:00
single_step_syscall.c selftests/x86: Do not rely on "int $0x80" in single_step_syscall.c 2018-02-15 01:15:48 +01:00
syscall_arg_fault.c x86/entry, selftests/x86: Add a test for 32-bit fast syscall arg faults 2015-07-07 10:58:30 +02:00
syscall_nt.c selftests/x86: In syscall_nt, test NT|TF as well 2016-03-10 09:48:12 +01:00
sysret_rip.c selftests/x86: Add a selftest for SYSRET to noncanonical addresses 2017-01-05 09:20:02 +01:00
sysret_ss_attrs.c x86, selftests: Add a test for the "sysret_ss_attrs" bug 2015-05-08 13:33:59 +02:00
test_FCMOV.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
test_FCOMI.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
test_FISTTP.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
test_mremap_vdso.c selftests/x86: Do not rely on "int $0x80" in test_mremap_vdso.c 2018-02-13 09:05:37 +01:00
test_syscall_vdso.c x86/entry/64/compat: Preserve r8-r11 in int $0x80 2018-04-27 17:07:58 +02:00
test_vdso.c selftests/x86: Clean up and document sscanf() usage 2018-02-13 09:04:56 +01:00
test_vsyscall.c x86/vsyscall/64: Drop "native" vsyscalls 2018-03-08 06:48:15 +01:00
thunks_32.S x86/asm/entry/32, selftests: Add 'test_syscall_vdso' test 2015-09-18 09:40:48 +02:00
thunks.S x86, selftests: Add a test for the "sysret_ss_attrs" bug 2015-05-08 13:33:59 +02:00
trivial_32bit_program.c selftests, x86: Rework x86 target architecture detection 2015-05-12 20:02:40 -06:00
trivial_64bit_program.c selftest, x86: fix incorrect comment 2015-05-26 15:58:41 -06:00
unwind_vdso.c selftests/x86: Style fixes for the 'unwind_vdso' test 2015-10-14 16:56:28 +02:00
vdso_restorer.c selftests/x86: Test __kernel_sigreturn and __kernel_rt_sigreturn 2016-01-13 10:34:40 +01:00