The following commit has been merged into the x86/fsgsbase branch of tip:
Commit-ID: 979c2c4247cafd8a91628a7306b6871efbd12fdb
Gitweb: https://git.kernel.org/tip/979c2c4247cafd8a91628a7306b6871efbd12fdb
Author: Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Fri, 26 Jun 2020 10:24:27 -07:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Wed, 01 Jul 2020 15:27:20 +02:00
selftests/x86/fsgsbase: Fix a comment in the ptrace_write_gsbase test
A comment was unclear. Fix it.
Fixes: 5e7ec8578fa3 ("selftests/x86/fsgsbase: Test ptracer-induced GS base write with FSGSBASE")
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/901034a91a40169ec84f1f699ea86704dff762e4.1593192140.git.luto@xxxxxxxxxx
---
tools/testing/selftests/x86/fsgsbase.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c
index 9a43498..f47495d 100644
--- a/tools/testing/selftests/x86/fsgsbase.c
+++ b/tools/testing/selftests/x86/fsgsbase.c
@@ -498,7 +498,8 @@ static void test_ptrace_write_gsbase(void)
* base would zero the selector. On newer kernels,
* this behavior has changed -- poking the base
* changes only the base and, if FSGSBASE is not
- * available, this may not effect.
+ * available, this may have no effect once the tracee
+ * is resumed.
*/
if (gs == 0)
printf("\tNote: this is expected behavior on older kernels.\n");
|