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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 May 2025 05:48:06.8862 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c48f7870-68cb-4244-c805-08dd95cf905f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF0000C381.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7667 Content-Type: text/plain; charset="utf-8" From: Ankit Agrawal Change the scope of stage2_has_fwb as it will be used in broader KVM code to determine whether the FWB feature is supported by the hardware. Signed-off-by: Ankit Agrawal --- arch/arm64/include/asm/kvm_pgtable.h | 8 ++++++++ arch/arm64/kvm/hyp/pgtable.c | 2 +- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/= kvm_pgtable.h index 6b9d274052c7..f21e2fae2bfe 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -507,6 +507,14 @@ u64 kvm_pgtable_hyp_unmap(struct kvm_pgtable *pgt, u64= addr, u64 size); */ u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift); =20 +/** + * stage2_has_fwb() - Determine whether FWB is supported + * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*() + * + * Return: True if FWB is supported. + */ +bool stage2_has_fwb(struct kvm_pgtable *pgt); + /** * kvm_pgtable_stage2_pgd_size() - Helper to compute size of a stage-2 PGD * @vtcr: Content of the VTCR register. diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index df5cc74a7dd0..ee6b98fefd61 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -637,7 +637,7 @@ u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift) return vtcr; } =20 -static bool stage2_has_fwb(struct kvm_pgtable *pgt) +bool stage2_has_fwb(struct kvm_pgtable *pgt) { if (!cpus_have_final_cap(ARM64_HAS_STAGE2_FWB)) return false; --=20 2.34.1