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048be5fea4
When KVM is initialised in protected mode, we must take care to filter certain FFA calls from the host kernel so that the integrity of guest and hypervisor memory is maintained and is not made available to the secure world. As a first step, intercept and block all memory-related FF-A SMC calls from the host to EL3 and don't advertise any FF-A features. This puts the framework in place for handling them properly. Co-developed-by: Andrew Walbran <qwandor@google.com> Signed-off-by: Andrew Walbran <qwandor@google.com> Signed-off-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20230523101828.7328-2-will@kernel.org Signed-off-by: Oliver Upton <oliver.upton@linux.dev> |
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