From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DC9263BBFC7 for ; Wed, 7 Oct 2026 11:53:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791374003; cv=none; b=i4NfbBgnILN/bB5ggbKiv5H2R7b2GgzlkFhBAfCjxGIbTppADhTrra0tnAH+n+/zx1zP5CnkkLhny2WO+45KnikR3kK2tHbFiSPSYA1kquUrpW3RiN0uVUTTuohIWxRsNMmRhGlTC5y4pHu0cRHR/x0LhaBi2mc6l79RjrKqchk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791374003; c=relaxed/simple; bh=ffzP6lE2mf6mwP3iTpsVEG2m0bzsFlH/sDc4s1zT8ik=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=gN7YyCkDXtn0jOeey351XtCfnyxERZPq1OND7OApn3r7N0nnLNCjMSnl+QQHali8uk+1ODnNzZtibY2eBGWcYvg1Z29kdJ5OUFEcdNGFRHo+LytcrA1zvqGLP80wnYptTY93NUHMoLqmQdfOIvLqZkYEmVrR1iwUK9rhRJmSgds= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W2eUWaAj; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W2eUWaAj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06DF11F0089B; Wed, 7 Oct 2026 11:53:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791373987; bh=ffzP6lE2mf6mwP3iTpsVEG2m0bzsFlH/sDc4s1zT8ik=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=W2eUWaAjirM+c1AGCsSB4Je+RTazvUvuN3STLrlKOFVqUVEaEB+sDkeCAgtRJdsOx FOSkTr0Lg34iZDSWmxfPtP7XdSbMhAFFGxna2LRIN7iT+gXHj4hVWUWtdzQxr1mBBO pcUaaaX91bFtojTW3phaS5ADVQv98F0ofBWbG+JeEF71qWzlv5T9DDJ3OP6NyVOJ+F mvawhI//HKlIyzEEvY/KhqPDUQdGO+ChiAH3n7AMVJ4SwuZNUvQqVmc01Sd5kczM9t lWtgD6m5M70531+ufOpK0xeXVDeDnlqQDCJ2i3sjSCjQh/nYpfQmvsIWyF3FmS2UqJ QaVAkcOjG0wPw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v8 12/15] mm: Make lazy MMU mode context-aware Reply-To: sashiko-reviews@lists.linux.dev To: "Alexander Gordeev" Cc: linux-s390@vger.kernel.org, "Alexander Gordeev" , "Vasily Gorbik" , "Christian Borntraeger" , "Heiko Carstens" In-Reply-To: References: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 07 Oct 2026 11:53:06 +0000 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Lazy MMU mode is assumed to be context-independent, in the sense > that it does not need any additional information while operating. > However, the s390 architecture benefits from knowing the exact > page table entries being modified. >=20 > Introduce lazy_mmu_mode_enable_with_ptes(), which is provided with > the process address space and the page table being operated on. > This information is required to enable s390-specific optimizations. >=20 > The function takes parameters that are typically passed to page- > table level walkers, which implies that the span of PTE entries > never crosses a page table boundary. >=20 > Architectures that do not require such information simply do not > need to define the lazy_mmu_mode_enable_with_ptes() callback. >=20 > Reviewed-by: Kevin Brodsky > Acked-by: David Hildenbrand (Arm) > Signed-off-by: Alexander Gordeev Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/cover.1791365932.gi= t.agordeev@linux.ibm.com?part=3D12