From: Vincent Donnefort <vdonnefort@google.com>
To: catalin.marinas@arm.com, will@kernel.org
Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel-team@android.com,
fuad.tabba@linux.dev, Vincent Donnefort <vdonnefort@google.com>
Subject: [PATCH 2/5] drivers/virt: pkvm: Make pkvm_granule __ro_after_init
Date: Wed, 7 Oct 2026 16:02:52 +0100 [thread overview]
Message-ID: <20261007150255.1648849-3-vdonnefort@google.com> (raw)
In-Reply-To: <20261007150255.1648849-1-vdonnefort@google.com>
pkvm_granule is only written once during init in
pkvm_init_hyp_services(). Mark it as __ro_after_init.
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
---
drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c b/drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c
index e7d7cedf7f6f..fbcb57c31186 100644
--- a/drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c
+++ b/drivers/virt/coco/pkvm-guest/arm-pkvm-guest.c
@@ -17,7 +17,7 @@
#include <asm/hypervisor.h>
-static size_t pkvm_granule;
+static size_t __ro_after_init pkvm_granule;
DEFINE_STATIC_KEY_FALSE_RO(pkvm_guest);
static int arm_smccc_do_one_page(u32 func_id, phys_addr_t phys)
--
2.56.0.rc1.315.gc6ed9934b7-goog
next prev parent reply other threads:[~2026-10-07 15:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 15:02 [PATCH 0/5] drivers/virt: pkvm: Protected VMs with PAGE_SIZE smaller than the hypervisor granule Vincent Donnefort
2026-10-07 15:02 ` [PATCH 1/5] drivers/virt: pkvm: Make pkvm_init_hyp_services() __init Vincent Donnefort
2026-10-07 15:02 ` Vincent Donnefort [this message]
2026-10-07 15:02 ` [PATCH 3/5] drivers/virt: pkvm: Handle a granule larger than PAGE_SIZE for MEM_SHARE Vincent Donnefort
2026-10-07 15:02 ` [PATCH 4/5] drivers/virt: pkvm: Handle a granule larger than PAGE_SIZE for MMIO_GUARD Vincent Donnefort
2026-10-07 15:02 ` [PATCH 5/5] drivers/virt: pkvm: Allow granule larger than PAGE_SIZE Vincent Donnefort
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