6.18-stable review patch. If anyone has any objections, please let me know.
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From: Ard Biesheuvel ardb@kernel.org
commit 40374d308e4e456048d83991e937f13fc8bda8bf upstream.
Initialize the cpus_allowed_lock struct member of efi_mm.
Cc: stable@vger.kernel.org Signed-off-by: Ard Biesheuvel ardb@kernel.org Acked-by: Catalin Marinas catalin.marinas@arm.com Signed-off-by: Catalin Marinas catalin.marinas@arm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/firmware/efi/efi.c | 3 +++ 1 file changed, 3 insertions(+)
--- 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;