x86/jump-label: Remove support for custom text poker
There are only two types of text poking: early and breakpoint based. The use of a function pointer to perform text poking complicates the code and is probably inefficient due to the use of indirect branches. Signed-off-by:Nadav Amit <namit@vmware.com> Signed-off-by:
Rick Edgecombe <rick.p.edgecombe@intel.com> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: <akpm@linux-foundation.org> Cc: <ard.biesheuvel@linaro.org> Cc: <deneen.t.dock@intel.com> Cc: <kernel-hardening@lists.openwall.com> Cc: <kristen@linux.intel.com> Cc: <linux_dti@icloud.com> Cc: <will.deacon@arm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20190426001143.4983-13-namit@vmware.com Signed-off-by:
Ingo Molnar <mingo@kernel.org>
parent
f2c65fb3
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