[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH v3 06/12] x86/shadow: restrict OOS allocation to when it's really needed


  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Date: Thu, 25 May 2023 16:00:05 +0200
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=W5p5DJMD7fDdbhJkydkRr8jPzzmZu4eJ1AyYSH/VK+Y=; b=FPuCRxPaP8ToefFLfrNU9Y+4xgT9kJDHHUpWlCAb9jRNen31mKcuzhNsFukZtLoEiGyKjMnbXSNELo1w7/kdmm4nvGH7aWY/kd2yefMtxsdsFZ0Tc2el+k+iaH9fHLw45XwmjGeyXClPjGuQ0+cAiAlcRkhI9RTGP4gsllnuFEMGCWBBPxvsq7zNp0/iekY370GMi7Vk2zKRFi6UP23rr3CceHOujiQjRR8g0hf2eN5oRnxl248/EQUrEWjhGv+Te78ILQmYmycvk4xQHdG2ImcMdwn3WDY6rq8JZSfnR4qLWDy5eWP1jsy4YhnL9f74VgIRV58LyTnaq0J0+UHCxQ==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oJmhjsPiio2sIzs49AtnoHUHIRSnvFXJbTQbXiB3x9t0+w45foD+C2fJ6kCsBRcTx6EltCtabzBTUj4r+UiFFGgYv/f1/GSc+6mrq/OSVG+/8faGx+lHJ8KStTdJqdFMUNRmnmMv0KNM+TrEFynrmZbdeV4nr2XDNGTXqGLxmrBBJ/BSXu0OtsB/lZkVZOE6xXWQorcAoXslLRxOBZSkJs9vYdRa5LzFzGOm95c+Y/wdrRsa/kaddCS2bpA51kjFhzXB/0d89TDztXhBjMhvKImZJperQdcvhnXtQ8Z4ND+q9N4qZYHxqJJ2hz427j8BUhAOC7yHJ5kb9aCeXWEDeA==
  • Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com;
  • Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>
  • Delivery-date: Thu, 25 May 2023 14:00:29 +0000
  • Ironport-data: A9a23:dLb+aayoD3zKgwu/Jch6t+cCxyrEfRIJ4+MujC+fZmUNrF6WrkVSz WEfDG6HaaqPajP1L9l1boS/80JUu8PdyoNlSgA9rCAxQypGp/SeCIXCJC8cHc8wwu7rFxs7s ppEOrEsCOhuExcwcz/0auCJQUFUjP3OHfykTrafYEidfCc8IA85kxVvhuUltYBhhNm9Emult Mj75sbSIzdJ4RYtWo4vw/zF8EsHUMja4mtC5QRjP60T5TcyqlFOZH4hDfDpR5fHatE88t6SH 47r0Ly/92XFyBYhYvvNfmHTKxBirhb6ZGBiu1IOM0SQqkEqSh8ai87XAME0e0ZP4whlqvgqo Dl7WT5cfi9yVkHEsLx1vxC1iEiSN4UekFPMCSDXXcB+UyQq2pYjqhljJBheAGEWxgp4KTlSx +wdMAgBVBa8mb2c67GdSdFmlMt2eaEHPKtH0p1h5RfwKK98BLrlE+DN79Ie2yosjMdTG/qYf 9AedTdkcBXHZVtIJ0sTD5U92uyvgxETcRUB8A7T+fVxvjWVlVMvuFTuGIO9ltiiX8Jak1zev mvb12/4HgsbJJqUzj/tHneE37aVzXyrCNpKfFG+3uZG2laY4EpUMhBVbFurhKiG0FeaV/sKf iT4/QJr98De7neDTNPwQhm5q36spQMHVpxbFOhSwBGAzO/Y7hiUAkAATyVdc5o2uckuXzso2 1SV2dTzClRHr7m9WX+bsLCOoluaJSkQBX8PY2kDVwRt3jX4iIQ6jxaKRNAzFqew14fxAWupn G7MqzUijbIOi8JNz7+84V3MnzOroN7OUxIx4QLUGGmi62uVebKYWmBh0nCDhd4oEWpTZgDpU KQs8yRG0N0zMA==
  • Ironport-hdrordr: A9a23:5OIwUqwsfY7DfCiltpS2KrPw6L1zdoMgy1knxilNoHxuH/Bw9v re+cjzsCWftN9/Yh4dcLy7VpVoIkmsl6Kdg7NwAV7KZmCP1FdARLsI0WKI+UyCJ8SRzI9gPa cLSdkFNDXzZ2IK8PoTNmODYqodKNrsytHWuQ/HpU0dKT2D88tbnn9E4gDwKDwQeCB2QaAXOb C7/cR9qz+paR0sH7+G7ilsZZmkmzXT/qiWGCI7Ow==
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Tue, May 16, 2023 at 09:40:22AM +0200, Jan Beulich wrote:
> PV domains won't use it, and even HVM ones won't when OOS is turned off
> for them. There's therefore no point in putting extra pressure on the
> (limited) pool of memory.
> 
> While there also zap the sh_type_to_size[] entry when OOS is disabled
> altogether.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.



 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.