Lines Matching +full:use +full:- +full:kernel

1 // SPDX-License-Identifier: GPL-2.0-or-later
23  *		tst_res(TFAIL, "kernel has issues");
25  *		tst_res(TPASS, "kernel seems to be fine");
30  * The above code checks whether the kernel issued a warning (TST_TAINT_W)
33  * triggered a kernel bug.
35  * You do not need to use tst_taint_check() explicitly because it'll be called
37  * tst_test.taint_check in non-zero.
44  * This are all 17 flags that are present in kernel 4.15
45  * see kernel/panic.c in kernel sources
47  * Not all of them are valid in all kernel versions.
49 #define TST_TAINT_G     (1 <<  0) /* a module with non-GPL license loaded */
50 #define TST_TAINT_F     (1 <<  1) /* a module was force-loaded */
51 #define TST_TAINT_S     (1 <<  2) /* SMP with Non-SMP kernel */
54 #define TST_TAINT_B     (1 <<  5) /* page-release function found bad page */
56 #define TST_TAINT_D     (1 <<  7) /* kernel died recently - OOPS or BUG */
58 #define TST_TAINT_W     (1 <<  9) /* a warning has been issued by kernel */
63 #define TST_TAINT_L     (1 << 14) /* A soft lock-up has previously occurred */
64 #define TST_TAINT_K     (1 << 15) /* kernel has been live-patched */
65 #define TST_TAINT_X     (1 << 16) /* auxiliary taint, for distro's use */
66 #define TST_TAINT_T     (1 << 17) /* kernel was built with the struct randomization plugin */
69  * Initialize and prepare support for checking tainted kernel. Called
71  * is non-zero. The value of tst_test.taint_check will be passed as the mask
74  * supply the mask of TAINT-flags you want to check, for example
75  * (TST_TAINT_W | TST_TAINT_D) when you want to check if the kernel issued
79  * locally running kernel. In case the tainted-flags are already set by
80  * the kernel, there is no reason to continue and TBROK is generated.
93  * returns 0 or a bitmask of the flags that currently tainted the kernel.