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x86/entry: Mark check_user_regs() noinstr

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It's called from the non-instrumentable section.

Fixes: c9c26150e6 ("x86/entry: Assert that syscalls are on the right stack")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200708192934.191497962@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-07-08 21:28:06 +02:00
parent bce9b042ec
commit 006e1ced51
1 changed files with 1 additions and 1 deletions
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arch/x86/entry/common.c
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@ -46,7 +46,7 @@
#include <trace/events/syscalls.h> #include <trace/events/syscalls.h>
/* Check that the stack and regs on entry from user mode are sane. */ /* Check that the stack and regs on entry from user mode are sane. */
static void check_user_regs(struct pt_regs *regs) static noinstr void check_user_regs(struct pt_regs *regs)
{ {
if (IS_ENABLED(CONFIG_DEBUG_ENTRY)) { if (IS_ENABLED(CONFIG_DEBUG_ENTRY)) {
/* /*