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author | Marko Kiiskila <marko.kiiskila@broadcom.com> | 2025-06-18 15:29:26 -0400 |
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committer | Zack Rusin <zack.rusin@broadcom.com> | 2025-06-30 23:10:11 -0400 |
commit | 7dfede7d7edd18c0c91ca854cde8eaaf4ccf97ea (patch) | |
tree | 30fe6295888f91dc8b53a5ba3f0794305d16680e /scripts/lib/kdoc/kdoc_parser.py | |
parent | e8537cad824065b0425fb0429e762e14a08067c2 (diff) |
drm/vmwgfx: Fix guests running with TDX/SEV
Commit 81256a50aa0f ("x86/mm: Make memremap(MEMREMAP_WB) map memory as
encrypted by default") changed the default behavior of
memremap(MEMREMAP_WB) and started mapping memory as encrypted.
The driver requires the fifo memory to be decrypted to communicate with
the host but was relaying on the old default behavior of
memremap(MEMREMAP_WB) and thus broke.
Fix it by explicitly specifying the desired behavior and passing
MEMREMAP_DEC to memremap.
Fixes: 81256a50aa0f ("x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default")
Signed-off-by: Marko Kiiskila <marko.kiiskila@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20250618192926.1092450-1-zack.rusin@broadcom.com
Diffstat (limited to 'scripts/lib/kdoc/kdoc_parser.py')
0 files changed, 0 insertions, 0 deletions