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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?HErpfInEtW/PFb9bgO/DszZaIaCmT4ave17VR/z+Ph8ly/3qux/XKKgECKhK?= =?us-ascii?Q?swbQ46lDFoGk8epk1FMVezxEeDZPAdLrptQbNFC26dC7gqZIaDQYT5izeRF5?= =?us-ascii?Q?g0hLEfMknKG3rnpPVRzbrsVcIkg30vHzZcNINveXXAWosLIXSFsGqffr0iIM?= =?us-ascii?Q?WrjjieX+xh9HyddvON8fM34cQzTPgVVPGocwaW6DcND875iZeXWD8zbanCPK?= =?us-ascii?Q?paMU4DruMV/p/OwLUIX8k3R4Ob9ZfNJAFvMGrdzOcr1g70WL28H4dFv1RlAK?= =?us-ascii?Q?gmUk5dJMsPYf55jlY6WAZlSCffvz+qox8MjLQ8FCOHeqjNBrqovsVKzvqssg?= =?us-ascii?Q?N5vMJZAsymAau6JMwIcb6x+S87oRi70lmLKKNff7w1ifnzpNC4zSYfqvwXG6?= =?us-ascii?Q?EAlJ4oyBFF71ckj5kCIGIYE5hX2rVy8Aklf1tV8Y/u7JxBsujKWXL5kQPe/p?= =?us-ascii?Q?kfOlo0F5kZDNm3+uZM6EJifu5bD54BOrpIw90V9m+I852vTm5QfRPfIUWTI9?= =?us-ascii?Q?XCYBXYKqVojmaFrmcKS0Oxx7BFaJobNCQeWR2w6idw+hCAX16HG2t2p1W0ZM?= =?us-ascii?Q?MmkznXITd98Zu6ZPhqaloBQTe8zbNHZ6YFDiuY+o+1rbYZMQuYYZ+4p1J+CX?= =?us-ascii?Q?oKHG89n0SPNu+zc/S5adiJvl5VzDlW0eczxikjVqMJoE7Zbjh/bA5RiWBi7E?= =?us-ascii?Q?ikp/jS9+BYcD6ePh84RR5YvqhxGZkgbh8DqKe1zHYpxB6uZXtSrZXnVa65Qs?= =?us-ascii?Q?jv8Ht5w3//NOOT2HRizpIuT+JqYH4iKdLnw5yadaFOZ0x0xhVFtEhe1e2+rl?= =?us-ascii?Q?tQXHtEbJBz/zd2SugPKvF4k+iiSiXP53aZxQEGEFovpiD+GkDKXTJO6/QFc4?= =?us-ascii?Q?r9XRpYryVVl8DC73+sHZdqlymZbeCpSVMYNtws+r/Qw0yGaWAscFJYz/hgld?= =?us-ascii?Q?1i33l1zdW9HjYLmnlF8Uxox8KpbnDfNHUTk309E1CCghhJqUyV0jIZL6A0hU?= =?us-ascii?Q?JIWxpSgBPjDLdmfNxMvcDb+mEk5cnGcXq7UwwYYmuHMd8WtImcy78Cz2V2MN?= =?us-ascii?Q?YwH2mbD2Gjwlw8De9c5a2jI/w7vFCPLN6aaDkQe6Jw9mCVdRN1UC0t2ALeXF?= =?us-ascii?Q?HPDdR9njQ9+vu8J0ZT82m710Ra8jfapX7gsNfITFCIT71KTygTFWVZTWbfKS?= =?us-ascii?Q?f2UmNofL9kcgRmnkgc/GyrEuhYvKe7g+dMNObr8pdoR5YfvNm+hfQ0m78NVc?= =?us-ascii?Q?RBQoqxM7z0817roaxqddNz44K+W3AfYdxBoqZBopUZq0XA3dN7pd/vilS1bf?= =?us-ascii?Q?DwOX+1dTMduiHxzinbZT489P4PDMs0Voxir/+ONTSfXIjvJvGmJwBqsnqWIO?= =?us-ascii?Q?0xPvtcLldFvUwFi/tsakdQwh6UY7Rp7w6o6awGLJWeSKNSlvQZq/qjLqPued?= =?us-ascii?Q?YKQTaZQmm7eogFdvaL6kWr1Ui6qZIO1cAPxjJtBSzd1ZALPVZBsPAq59ou16?= =?us-ascii?Q?oVXrP3PEpEMwAD+BHeqIYtWQ2jOydyR4xgTDVYcQhwxzohYAiPL1MoBGU1Ob?= =?us-ascii?Q?Q059xP372Up9DvivhslTP2x1lOHVb+wqwFX5m4P0rRGtkfg10f/CSsU+Uwvf?= =?us-ascii?Q?zw=3D=3D?= X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: a49cc182-4b56-40fd-6e80-08db2047cfba X-MS-Exchange-CrossTenant-AuthSource: DM6PR21MB1370.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2023 02:41:40.4800 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lX10i8QRYpeAyKNmzAxxJbqS05e2rf053Ccw70/wyz0aHd0XWRvDLjHRJMkFFcabK/X/hzrwy2qqop7EvHOSaw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR2101MB1313 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update vmap_pfn() calls to explicitly request that the mapping be for decrypted access to the memory. There's no change in functionality since the PFNs passed to vmap_pfn() are above the shared_gpa_boundary, implicitly producing a decrypted mapping. But explicitly requesting "decrypted" allows the code to work before and after changes that cause vmap_pfn() to mask the PFNs to being below the shared_gpa_boundary. Signed-off-by: Michael Kelley Reviewed-by: Tianyu Lan --- arch/x86/hyperv/ivm.c | 2 +- drivers/hv/ring_buffer.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/hyperv/ivm.c b/arch/x86/hyperv/ivm.c index f33c67e..5648efb 100644 --- a/arch/x86/hyperv/ivm.c +++ b/arch/x86/hyperv/ivm.c @@ -343,7 +343,7 @@ void *hv_map_memory(void *addr, unsigned long size) pfns[i] = vmalloc_to_pfn(addr + i * PAGE_SIZE) + (ms_hyperv.shared_gpa_boundary >> PAGE_SHIFT); - vaddr = vmap_pfn(pfns, size / PAGE_SIZE, PAGE_KERNEL_IO); + vaddr = vmap_pfn(pfns, size / PAGE_SIZE, pgprot_decrypted(PAGE_KERNEL)); kfree(pfns); return vaddr; diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index c6692fd..2111e97 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -211,7 +211,7 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info, ring_info->ring_buffer = (struct hv_ring_buffer *) vmap_pfn(pfns_wraparound, page_cnt * 2 - 1, - PAGE_KERNEL); + pgprot_decrypted(PAGE_KERNEL)); kfree(pfns_wraparound); if (!ring_info->ring_buffer) -- 1.8.3.1