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x86/pvh: Use fixed_percpu_data for early boot GSBASE
authorBrian Gerst <brgerst@gmail.com>
Thu, 23 Jan 2025 19:07:36 +0000 (14:07 -0500)
committerIngo Molnar <mingo@kernel.org>
Tue, 18 Feb 2025 09:14:59 +0000 (10:14 +0100)
commitf58b63857ae38b4484185b799a2759274b930c92
tree2f662858e74be21642b9498ccce9c33c46720915tree
parenta9a76b38aaf577887103e3ebb41d70e6aa5a4b19commit | diff
x86/pvh: Use fixed_percpu_data for early boot GSBASE

Instead of having a private area for the stack canary, use
fixed_percpu_data for GSBASE like the native kernel.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250123190747.745588-5-brgerst@gmail.com
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