From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wcSX464v4zDq5W for ; Tue, 30 May 2017 19:11:16 +1000 (AEST) In-Reply-To: <20170501120110.21888-2-npiggin@gmail.com> To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: Nicholas Piggin Subject: Re: [1/2] powerpc/64s: Fix FIXUP_ENDIAN non-maskable interrupt reentrancy Message-Id: <3wcSX45V80z9s72@ozlabs.org> Date: Tue, 30 May 2017 19:11:16 +1000 (AEST) List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2017-05-01 at 12:01:09 UTC, Nicholas Piggin wrote: > FIXUP_ENDIAN uses SRR[01] with MSR_RI=1, which gets corrupted if there > is an interleaving system reset or machine check interrupt. > > Set MSR_RI=0 before setting SRRs. The rfid will restore MSR. > > Signed-off-by: Nicholas Piggin Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/f1fe5252018075e18d7f0c0e23ee17 cheers