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linux: Also check pkey_get for ENOSYS on tst-pkey (BZ 31996)

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The powerpc pkey_get/pkey_set support was only added for 64-bit [1],
and tst-pkey only checks if the support was present with pkey_alloc
(which does not fail on powerpc32, at least running a 64-bit kernel).

Checked on powerpc-linux-gnu.

[1] https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a803367bab167f5ec4fde1f0d0ec447707c29520
Reviewed-By: Andreas K. Huettel <dilfridge@gentoo.org>
This commit is contained in:
Adhemerval Zanella 2024-07-19 11:23:15 -03:00 committed by Andreas K. Hüttel
parent e0f7da7235
commit 6b7e2e1d61
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1 changed files with 7 additions and 1 deletions
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8
sysdeps/unix/sysv/linux/tst-pkey.c
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@ -205,7 +205,13 @@ do_test (void)
" protection keys");
FAIL_EXIT1 ("pkey_alloc: %m");
}
TEST_COMPARE (pkey_get (keys[0]), 0);
if (pkey_get (keys[0]) < 0)
{
if (errno == ENOSYS)
FAIL_UNSUPPORTED
("glibc does not support memory protection keys");
FAIL_EXIT1 ("pkey_alloc: %m");
}
for (int i = 1; i < key_count; ++i)
{
keys[i] = pkey_alloc (0, i);