diff options
| author | Quentin Perret <qperret@google.com> | 2022-11-10 20:02:57 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-11-11 18:19:35 +0100 |
| commit | 169cd0f8238f2598b85d2db2e15828e8f8da18e5 (patch) | |
| tree | 2a7bfd5c6dcc1d509da79b0fd37e171e326c9be1 /arch/arm64/kernel | |
| parent | KVM: arm64: Explicitly map 'kvm_vgic_global_state' at EL2 (diff) | |
| download | linux-169cd0f8238f2598b85d2db2e15828e8f8da18e5.tar.xz linux-169cd0f8238f2598b85d2db2e15828e8f8da18e5.zip | |
KVM: arm64: Don't unnecessarily map host kernel sections at EL2
We no longer need to map the host's '.rodata' and '.bss' sections in the
stage-1 page-table of the pKVM hypervisor at EL2, so remove those
mappings and avoid creating any future dependencies at EL2 on
host-controlled data structures.
Tested-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221110190259.26861-25-will@kernel.org
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/image-vars.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h index 31ad75da4d58..e3f88b5836a2 100644 --- a/arch/arm64/kernel/image-vars.h +++ b/arch/arm64/kernel/image-vars.h @@ -102,12 +102,6 @@ KVM_NVHE_ALIAS_HYP(__memcpy, __pi_memcpy); KVM_NVHE_ALIAS_HYP(__memset, __pi_memset); #endif -/* Kernel memory sections */ -KVM_NVHE_ALIAS(__start_rodata); -KVM_NVHE_ALIAS(__end_rodata); -KVM_NVHE_ALIAS(__bss_start); -KVM_NVHE_ALIAS(__bss_stop); - /* Hyp memory sections */ KVM_NVHE_ALIAS(__hyp_idmap_text_start); KVM_NVHE_ALIAS(__hyp_idmap_text_end); |