From patchwork Thu Apr 28 12:41:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Ellerman X-Patchwork-Id: 1623650 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=phxVTDZ1; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4KpwJl6jY9z9s2R for ; Thu, 28 Apr 2022 22:43:19 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4KpwJl2GZqz3c91 for ; Thu, 28 Apr 2022 22:43:19 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=phxVTDZ1; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4KpwHD14Y8z2xsP for ; Thu, 28 Apr 2022 22:42:00 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=phxVTDZ1; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4KpwH71V9Bz4x7Y; Thu, 28 Apr 2022 22:41:55 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1651149715; bh=angbs4k+nefnWKYYA4PyhQF8HIwJeqJDKwFomJisFV8=; h=From:To:Cc:Subject:Date:From; b=phxVTDZ11wzTf6qMuKjvp9ReQ3nrmVkIgNz4g6KTDOvzKsl1Ng4XdxT0WLwUpUw8L MZwHIjhtFzkb1QIUyvhMIxJqx4r+ywfxh8NAAbhd7zbu3jsJqaZRVNhQ4eQ+fnl7aK 7+LDrI0M+lxmdG7+7R2AIA365RPc3EXayKsyIZhqub8AuzBzdfB7XZM3oAoliZhkY9 hqylqptCg+8O5tBRXrUQ4PisGzUbeMzQqnJSUnFcPyj95ig1mnHJA570Pc1InTvug/ RYGxr3ExpStbkH5v55NtMOmxPaaTWYypmnb9tYyuZQJCedzp7shzQD7FpyN+eCvwRf TZGU8SkZF8OKg== From: Michael Ellerman To: , Subject: [PATCH v4.19 0/2] Custom backports for powerpc SLB issues Date: Thu, 28 Apr 2022 22:41:48 +1000 Message-Id: <20220428124150.375623-1-mpe@ellerman.id.au> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Greg, Here are two custom backports to v4.19 for some powerpc issues we've discovered. Both were fixed upstream as part of a large non-backportable rewrite. Other stable kernel versions are not affected. cheers Michael Ellerman (1): powerpc/64s: Unmerge EX_LR and EX_DAR Nicholas Piggin (1): powerpc/64/interrupt: Temporarily save PPR on stack to fix register corruption due to SLB miss arch/powerpc/include/asm/exception-64s.h | 37 ++++++++++++++---------- 1 file changed, 22 insertions(+), 15 deletions(-)