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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?P7l5wDcNXRhBXdKKx4pE1/Lc2RVJ2J10vyvBMddKkYHoxtMErZXHw/d+98/U?= =?us-ascii?Q?xv1nFK2B82sjPmFzZpxexr9+NffPNa5an2KRbLdiaNkJHpn9VzsKwywW180i?= =?us-ascii?Q?Eu7+IVlH4yjACLW5DiwX0TecK7Lavx/5xiPWb62HmGdSc0W/urFEMbbJA+u4?= =?us-ascii?Q?Rwv/YKD4hY2q1aKnGCOjVe4mBspcr/5o7vNan5SodY/ZMenGOsCbVC2Vbzca?= =?us-ascii?Q?v7p9JBmz3H/QIZXoY7qjb+caK2xQd9Tam1Kk0YL34hg6BmIjYd/SAaW5ImgJ?= =?us-ascii?Q?ek9iJILeMv7N6j7G3X/Kb2DhofSleoE4T0RsliPiPT4Q3VWuuliNXm1toeS6?= =?us-ascii?Q?jJLq0an51xqkFfhaAaGQK7NIbYYgk/wuu19Oajzkn8g+tNTSgrB+DO6Xc40C?= =?us-ascii?Q?avz8c6JDX84MZ/JdTatEcBkhGCxUtuS8uiTcPpsHhuhpcQAjbcSmatYwYHvf?= =?us-ascii?Q?YPruc9f5rjgXXtLCF2HyZ3LR7XjFXnjEEPq8Tm05yv+NaszVJHLx1rPJm/I/?= =?us-ascii?Q?yb1TcynB/GvpG7HfuLpqvGE/1hT1OojMblInMYxaEc/BDbdqh1MHLxKtm68l?= =?us-ascii?Q?b2TvhAL9TDGjXWrOZyhhT/YlAfDlR3+kqxXRgPROGZ5XARUwOGQPn49JLOgc?= =?us-ascii?Q?GF7SftWByXBuzj7At7msQ3QkD8gRjUgZntegU8gn/Sc6J3xcwvB1HkTchV1X?= =?us-ascii?Q?JCVw5jYQZGwYmqP50r8M6kYayK+0bymAUqbIq0+QtvDOYMRUEe7JNOGv8pGW?= =?us-ascii?Q?oMJivwt1w4vWRH2oSLtGe+NZRXZFzY7G4h7jw7C5SJnVHN/Hk463OBXlgOtj?= =?us-ascii?Q?QNikQPBWAERnGOkB5WH7Oap0wzrRKsBiBKG50xKo01BQKaSd00xhTg1IE36H?= =?us-ascii?Q?cN+omDenmwOVjUGzfOsIdPrvyjRjsdC1eJfwuwAKkh5ogtgbwYdkRFYePja6?= =?us-ascii?Q?mjG8eSm7e2aBOLEnwq+W9pvmo5GxUCrYlvKUeOwKP1lsUjeHyzduKBadvdPE?= =?us-ascii?Q?Q5XvLnZXni9ZAY91wwU6505CsEMHa2/DMNrfaPOhc/85aaXpxgk/CiMg7ZGm?= =?us-ascii?Q?/AUlUhIFlGsAQqxLcrdHrwIqZg/uQOwkdPINmISZWn1ZRtQ4XXnZCMv9PxDJ?= =?us-ascii?Q?w5G2vJZp8s0BS6z1FEWjNLw+rqzD/MnZe636Yf7KGrzgL6fztoMA4T3G7rhO?= =?us-ascii?Q?dIf54X756mbe45g0oKihpb1KTmlASm0Mlqglm/151SuTDyiE7UWLwA9MSHKr?= =?us-ascii?Q?zRRSdYUm5rHCl3i4sT8KEScGaw+qkJ10IdMrgKXpmG2LnQpQZhUOZmBq7YAf?= =?us-ascii?Q?rKN8sypfBQFPAZG7hZLwz/h190r1v+geV/ODkbjAtLFMkpI0GyvoTxdAB6vY?= =?us-ascii?Q?H4pH7W+QUa+DtghMgqUWmydqXvEdyNFM2+27cFlLBGTj25R+/Folb7CNH5N7?= =?us-ascii?Q?qK54aJCcj1jsB2IesMLeW+AtrsdLMYNuK5DTvdVXM3xXB/DBhTH+Ru9HMphN?= =?us-ascii?Q?prINsJ3bZcixupHvqB+P+DsTMPEBC7d5gXJpj1D4L32pJcRdMQxmlQKbUJK3?= =?us-ascii?Q?2agSwy4CRiAQpVLIkxtOepG/FmHfEDpCPzaeTQOZ?= X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 36ca748f-9355-4c1b-f74b-08daf4e5fb1f X-MS-Exchange-CrossTenant-AuthSource: DM6PR21MB1370.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2023 21:43:02.5473 (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: n3CPEB9ICxjpk7jpfn2zQRQcSgFfJeoUp6SiwrPbzmWwKvfvD1gjQWiUKBomBZ7ThfU3kVxas0XGh/BqS0YLcQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR21MB1953 Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@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