From: Ard Biesheuvel <ardb+git@google.com>
To: linux-efi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>,
stable@vger.kernel.org
Subject: [PATCH v3 1/8] efi: Add missing static initializer for efi_mm::cpus_allowed_lock
Date: Thu, 18 Sep 2025 12:30:12 +0200 [thread overview]
Message-ID: <20250918103010.2973462-11-ardb+git@google.com> (raw)
In-Reply-To: <20250918103010.2973462-10-ardb+git@google.com>
From: Ard Biesheuvel <ardb@kernel.org>
Initialize the cpus_allowed_lock struct member of efi_mm.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/efi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 1ce428e2ac8a..fc407d891348 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -74,6 +74,9 @@ struct mm_struct efi_mm = {
.page_table_lock = __SPIN_LOCK_UNLOCKED(efi_mm.page_table_lock),
.mmlist = LIST_HEAD_INIT(efi_mm.mmlist),
.cpu_bitmap = { [BITS_TO_LONGS(NR_CPUS)] = 0},
+#ifdef CONFIG_SCHED_MM_CID
+ .cpus_allowed_lock = __RAW_SPIN_LOCK_UNLOCKED(efi_mm.cpus_allowed_lock),
+#endif
};
struct workqueue_struct *efi_rts_wq;
--
2.51.0.384.g4c02a37b29-goog
next prev parent reply other threads:[~2025-09-18 10:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 10:30 [PATCH v3 0/8] arm64: Make EFI calls preemptible Ard Biesheuvel
2025-09-18 10:30 ` Ard Biesheuvel [this message]
2025-09-18 10:30 ` [PATCH v3 2/8] efi/runtime: Return success/failure from arch_efi_call_virt_setup() Ard Biesheuvel
2025-09-18 10:30 ` [PATCH v3 3/8] efi/runtime: Deal with arch_efi_call_virt_setup() returning failure Ard Biesheuvel
2025-09-18 10:30 ` [PATCH v3 4/8] arm64/fpsimd: Permit kernel mode NEON with IRQs off Ard Biesheuvel
2025-09-19 11:33 ` Will Deacon
2025-09-18 10:30 ` [PATCH v3 5/8] arm64/fpsimd: Drop special handling for EFI runtime services Ard Biesheuvel
2025-09-18 11:57 ` Ard Biesheuvel
2025-09-18 13:10 ` Mark Brown
2025-09-22 6:55 ` Ard Biesheuvel
2025-09-18 10:30 ` [PATCH v3 6/8] arm64/efi: Use a mutex to protect the EFI stack and FP/SIMD state Ard Biesheuvel
2025-09-19 11:35 ` Will Deacon
2025-09-19 13:42 ` Ard Biesheuvel
2025-09-19 13:54 ` Will Deacon
2025-09-18 10:30 ` [PATCH v3 7/8] arm64/efi: Move uaccess en/disable out of efi_set_pgd() Ard Biesheuvel
2025-09-19 11:36 ` Will Deacon
2025-09-18 10:30 ` [PATCH v3 8/8] arm64/efi: Call EFI runtime services without disabling preemption Ard Biesheuvel
2025-09-19 11:36 ` Will Deacon
2025-09-18 11:33 ` [PATCH v3 0/8] arm64: Make EFI calls preemptible Ard Biesheuvel
2025-09-18 11:44 ` Will Deacon
2025-09-18 11:48 ` Ard Biesheuvel
2025-09-19 11:38 ` Will Deacon
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