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authorJosh Poimboeuf <jpoimboe@redhat.com>2018-02-28 07:19:21 -0600
committerThomas Gleixner <tglx@linutronix.de>2018-02-28 16:03:19 +0100
commit1402fd8ed7e5bda1b3e7613b70780b0db392d1e6 (patch)
treee5521eb2fcbe4cad6a2a7d0c5906cdb2461a7f09 /arch/x86/kernel/setup_percpu.c
parent71c208dd54ab971036d83ff6d9837bae4976e623 (diff)
download96b-common-1402fd8ed7e5bda1b3e7613b70780b0db392d1e6.tar.gz
objtool: Fix another switch table detection issue
Continue the switch table detection whack-a-mole. Add a check to distinguish KASAN data reads from switch data reads. The switch jump tables in .rodata have relocations associated with them. This fixes the following warning: crypto/asymmetric_keys/x509_cert_parser.o: warning: objtool: x509_note_pkey_algo()+0xa4: sibling call from callable instruction with modified stack frame Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Arnd Bergmann <arnd@arndb.de> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/d7c8853022ad47d158cb81e953a40469fc08a95e.1519784382.git.jpoimboe@redhat.com
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
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