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>,
stable@vger.kernel.org
Subject: [PATCH v2 1/7] efi: Add missing static initializer for efi_mm::cpus_allowed_lock
Date: Fri, 5 Sep 2025 15:30:37 +0200 [thread overview]
Message-ID: <20250905133035.275517-10-ardb+git@google.com> (raw)
In-Reply-To: <20250905133035.275517-9-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;
--
2.51.0.355.g5224444f11-goog
next prev parent reply other threads:[~2025-09-05 18:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 13:30 [PATCH v2 0/7] arm64: Make EFI calls preemptible Ard Biesheuvel
2025-09-05 13:30 ` Ard Biesheuvel [this message]
2025-09-05 13:30 ` [PATCH v2 2/7] efi/runtime: Return success/failure from arch_efi_call_virt_setup() Ard Biesheuvel
2025-09-05 13:30 ` [PATCH v2 3/7] efi/runtime: Deal with arch_efi_call_virt_setup() returning failure Ard Biesheuvel
2025-09-05 13:30 ` [PATCH v2 4/7] arm64/fpsimd: Don't warn when EFI execution context is preemptible Ard Biesheuvel
2025-09-05 13:30 ` [PATCH v2 5/7] arm64/efi: Use a semaphore to protect the EFI stack and FP/SIMD state Ard Biesheuvel
2025-09-05 13:44 ` Peter Zijlstra
2025-09-05 13:54 ` Ard Biesheuvel
2025-09-08 15:37 ` Peter Zijlstra
2025-09-05 13:30 ` [PATCH v2 6/7] arm64/efi: Move uaccess en/disable out of efi_set_pgd() Ard Biesheuvel
2025-09-05 13:30 ` [PATCH v2 7/7] arm64/efi: Call EFI runtime services without disabling preemption Ard Biesheuvel
2025-09-05 15:45 ` [PATCH v2 0/7] arm64: Make EFI calls preemptible Yeoreum Yun
2025-09-15 8:52 ` Sebastian Andrzej Siewior
2025-09-15 9:05 ` Ard Biesheuvel
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