[PATCH 05/13] KVM: arm64: Support unaligned fixmap in the nVHE hyp | linux-trace-kernel | Ratatoskr

[PATCH 00/13] Tracefs support for pKVM · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 01/13] ring-buffer: Check for empty ring-buffer with rb_num_of_entries() · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 02/13] ring-buffer: Introducing ring-buffer writer · Vincent Donnefort <hidden> · 2024-09-11
Re: [PATCH 02/13] ring-buffer: Introducing ring-buffer writer · kernel test robot <hidden> · 2024-09-12
[PATCH 03/13] ring-buffer: Expose buffer_data_page material · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 04/13] timekeeping: Add the boot clock to system time snapshot · Vincent Donnefort <hidden> · 2024-09-11
Re: [PATCH 04/13] timekeeping: Add the boot clock to system time snapshot · John Stultz <jstultz@google.com> · 2024-09-13
Re: [PATCH 04/13] timekeeping: Add the boot clock to system time snapshot · Thomas Gleixner <hidden> · 2024-10-02
[PATCH 05/13] KVM: arm64: Support unaligned fixmap in the nVHE hyp · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 06/13] KVM: arm64: Add clock support in the nVHE hyp · Vincent Donnefort <hidden> · 2024-09-11
Re: [PATCH 06/13] KVM: arm64: Add clock support in the nVHE hyp · John Stultz <jstultz@google.com> · 2024-09-13
Re: [PATCH 06/13] KVM: arm64: Add clock support in the nVHE hyp · Vincent Donnefort <hidden> · 2024-09-16
[PATCH 07/13] KVM: arm64: Add tracing support for the pKVM hyp · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 08/13] KVM: arm64: Add hyp tracing to tracefs · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 09/13] KVM: arm64: Add clock for hyp tracefs · Vincent Donnefort <hidden> · 2024-09-11
Re: [PATCH 09/13] KVM: arm64: Add clock for hyp tracefs · John Stultz <jstultz@google.com> · 2024-09-13
Re: [PATCH 09/13] KVM: arm64: Add clock for hyp tracefs · Vincent Donnefort <hidden> · 2024-09-16
[PATCH 10/13] KVM: arm64: Add raw interface for hyp tracefs · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 11/13] KVM: arm64: Add trace interface for hyp tracefs · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 12/13] KVM: arm64: Add support for hyp events · Vincent Donnefort <hidden> · 2024-09-11
[PATCH 13/13] KVM: arm64: Add kselftest for tracefs hyp tracefs · Vincent Donnefort <hidden> · 2024-09-11
Re: [PATCH 00/13] Tracefs support for pKVM · Steven Rostedt <rostedt@goodmis.org> · 2025-01-07
Re: [PATCH 00/13] Tracefs support for pKVM · Vincent Donnefort <hidden> · 2025-01-07

STALE527d

Revisions (15)

2024-08-05 rfc [diff vs current]
2024-09-11 v1 current
2025-01-08 v2 [diff vs current]
2025-02-24 v1 [diff vs current]
2025-05-06 v4 [diff vs current]
2025-05-16 v5 [diff vs current]
2025-08-21 v6 [diff vs current]
2025-10-03 v7 [diff vs current]
2025-11-07 v8 [diff vs current]
2025-12-02 v9 [diff vs current]
2026-01-26 v10 [diff vs current]
2026-01-31 v11 [diff vs current]
2026-02-19 v12 [diff vs current]
2026-03-06 v13 [diff vs current]
2026-03-09 v14 [diff vs current]

[PATCH 05/13] KVM: arm64: Support unaligned fixmap in the nVHE hyp

From: Vincent Donnefort <hidden>
Date: 2024-09-11 09:30:57
Also in: kvmarm, lkml
Subsystem: arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers: Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds

Return the fixmap VA with the page offset, instead of the page base
address.

Signed-off-by: Vincent Donnefort <redacted>

diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c
index 8850b591d775..c5a9d8874eb2 100644
--- a/arch/arm64/kvm/hyp/nvhe/mm.c
+++ b/arch/arm64/kvm/hyp/nvhe/mm.c

@@ -240,7 +240,7 @@ void *hyp_fixmap_map(phys_addr_t phys)
 	WRITE_ONCE(*ptep, pte);
 	dsb(ishst);
 
-	return (void *)slot->addr;
+	return (void *)slot->addr + offset_in_page(phys);
 }
 
 static void fixmap_clear_slot(struct hyp_fixmap_slot *slot)

-- 
2.46.0.598.g6f2099f65c-goog