kernel/tools/testing/selftests/kexec/test_kexec_jump.c, branch linux-rolling-stableHosts the 0x221E linux distro kernel.https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-rolling-stable2025-04-10T10:17:14Zselftests/kexec: Add x86_64 selftest for kexec-jump and exception handling2025-04-10T10:17:14ZDavid Woodhousedwmw@amazon.co.uk2025-03-26T14:16:04Zurn:sha1:7615b94b6371dab5d7d8c1ca4f95ed3f866e1c51
Add a self test which exercises both the kexec-jump facility, and the
kexec exception handling.
Invoke a trivial payload which just does an int3 and returns,
flip-flopping its entry point for the next invocation between two
implementations of the same thing.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250326142404.256980-5-dwmw2@infradead.org