x86/alternatives: Add comment about module removal races
authorNadav Amit <namit@vmware.com>
Fri, 26 Apr 2019 00:11:41 +0000 (17:11 -0700)
committerIngo Molnar <mingo@kernel.org>
Tue, 30 Apr 2019 10:38:01 +0000 (12:38 +0200)
commit3950746d9d8ef981c1cb842384e0e86e8d1aad76
tree1e19dfe4c84a6196653a246e22d63cdd9628ef4a
parent241a1f22380646bc4d1dd18e5bc246877513da68
x86/alternatives: Add comment about module removal races

Add a comment to clarify that users of text_poke() must ensure that
no races with module removal take place.

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@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
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/20190426001143.4983-22-namit@vmware.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/alternative.c