From 5d510ed78bcfcbbd3b3891cbe79cd7543bce1d05 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Thu, 6 May 2021 11:56:31 +0000 Subject: [PATCH] powerpc/syscall: Calling kuap_save_and_lock() is wrong kuap_save_and_lock() is only for interrupts inside kernel. system call are only from user, calling kuap_save_and_lock() is wrong. Fixes: c16728835eec ("powerpc/32: Manage KUAP in C") Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/332773775cf24a422105dee2d383fb8f04589045.1620302182.git.christophe.leroy@csgroup.eu --- arch/powerpc/kernel/interrupt.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index ed6cebcb7847..e0938ba298f2 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -34,9 +34,6 @@ notrace long system_call_exception(long r3, long r4, long r5, syscall_fn f; kuep_lock(); -#ifdef CONFIG_PPC32 - kuap_save_and_lock(regs); -#endif regs->orig_gpr3 = r3; -- 2.11.0