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powerpc/syscall: Calling kuap_save_and_lock() is wrong

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kuap_save_and_lock() is only for interrupts inside kernel.

system call are only from user, calling kuap_save_and_lock()
is wrong.

Fixes: c16728835e ("powerpc/32: Manage KUAP in C")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/332773775cf24a422105dee2d383fb8f04589045.1620302182.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2021-05-06 11:56:31 +00:00 committed by Michael Ellerman
parent a78339698a
commit 5d510ed78b
1 changed files with 0 additions and 3 deletions
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3
arch/powerpc/kernel/interrupt.c
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@ -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;