Commit 5d510ed7 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

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: c1672883 ("powerpc/32: Manage KUAP in C")
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/332773775cf24a422105dee2d383fb8f04589045.1620302182.git.christophe.leroy@csgroup.eu
parent a7833969

arch/powerpc/kernel/interrupt.c

+0 −3
Original line number Diff line number Diff line
@@ -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;