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f80fd3a5ff
Should print this on vDSO remapping success (on new kernels): [root@localhost ~]# ./test_mremap_vdso_32 AT_SYSINFO_EHDR is 0xf773f000 [NOTE] Moving vDSO: [f773f000, f7740000] -> [a000000, a001000] [OK] Or print that mremap() for vDSOs is unsupported: [root@localhost ~]# ./test_mremap_vdso_32 AT_SYSINFO_EHDR is 0xf773c000 [NOTE] Moving vDSO: [0xf773c000, 0xf773d000] -> [0xf7737000, 0xf7738000] [FAIL] mremap() of the vDSO does not work on this kernel! Suggested-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com> Acked-by: Andy Lutomirski <luto@kernel.org> Cc: 0x7f454c46@gmail.com Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Shuah Khan <shuahkh@osg.samsung.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kselftest@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20160628113539.13606-3-dsafonov@virtuozzo.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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