From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA58D22DFB1; Mon, 10 Mar 2025 17:42:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628543; cv=none; b=AKKb6CnWLZVK52vP2FXZgcT7QRsaHbl6AyEsGLnona06eQp+fm5Jo8TDWV0ByrSdid7d0O5vsCTLk808ceBO3iVZTBUSdD26D/ZjtvJwui8NeSjrp9S41lwESLSiNOS132ts6aFY6ahwFKNfQRPcx1lxBHR7/AvVmdLdqtefp9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741628543; c=relaxed/simple; bh=8TmOCwUd+xcOuj7U3/oHpM+97ScokATSwkhRX3Uwop8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XIZumsK26GiwKFCAcF4DBOftSu0liEvBkXss1/7AgJaD7UbuLnQixjN4o5HeVz5TmSsJznrTyM+2qhdI0nnkXMoPas3rOY3LB1ZPamjLQ4B/KQNFWpkt5w2I0veOFz1zGAqT0WgZcIJ3XeBW6Jch8PM/J0RZZh4Cz0fpJ47ZEtM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ojc+mI1M; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ojc+mI1M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2730AC4CEE5; Mon, 10 Mar 2025 17:42:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741628543; bh=8TmOCwUd+xcOuj7U3/oHpM+97ScokATSwkhRX3Uwop8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ojc+mI1M52YrHyaQH+Li6EUANvIb8GAn3r0bK1Q7oFQf24jB3MGh4pGC+0M/LEOLB sVkASrh32EX1FFcJc5FpmcGA/7Th/vTr8O26iD+ifQjCUTlMjHgJAgswm0t485+OEB 1svS98gPjmoKeJjz26Cg2M4fXgtpuTHAFd7p3juo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Paolo Bonzini Subject: [PATCH 6.1 095/109] Revert "KVM: PPC: e500: Mark "struct page" pfn accessed before dropping mmu_lock" Date: Mon, 10 Mar 2025 18:07:19 +0100 Message-ID: <20250310170431.340561159@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170427.529761261@linuxfoundation.org> References: <20250310170427.529761261@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Greg Kroah-Hartman This reverts commit d2004572fc3014cae43a0d6374ffabbbab1644d4 which is commit 84cf78dcd9d65c45ab73998d4ad50f433d53fb93 upstream. It should not have been applied. Link: https://lore.kernel.org/r/CABgObfb5U9zwTQBPkPB=mKu-vMrRspPCm4wfxoQpB+SyAnb5WQ@mail.gmail.com Reported-by: Paolo Bonzini Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kvm/e500_mmu_host.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -498,9 +498,11 @@ static inline int kvmppc_e500_shadow_map kvmppc_mmu_flush_icache(pfn); out: + spin_unlock(&kvm->mmu_lock); + /* Drop refcount on page, so that mmu notifiers can clear it */ kvm_release_pfn_clean(pfn); - spin_unlock(&kvm->mmu_lock); + return ret; }