The following commit has been merged into the x86/mm branch of tip: Commit-ID: 35fa745286ac44ee26ed100c2bd2553368ad193b Gitweb: https://git.kernel.org/tip/35fa745286ac44ee26ed100c2bd2553368ad193b Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Tue, 02 Nov 2021 17:52:24 +01:00 Committer: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> CommitterDate: Thu, 09 Dec 2021 10:58:48 -08:00 x86/mm: Include spinlock_t definition in pgtable. This header file provides forward declartion for pgd_lock but does not include the header defining its type. This works since the definition of spinlock_t is usually included somehow via printk. By trying to avoid recursive includes on PREEMPT_RT I avoided the loop in printk and as a consequnce kernel/intel.c failed to compile due to missing type definition. Include the needed definition for spinlock_t. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20211102165224.wpz4zyhsvwccx5p3@xxxxxxxxxxxxx --- arch/x86/include/asm/pgtable.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 448cd01..a34430b 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -22,6 +22,7 @@ #define pgprot_decrypted(prot) __pgprot(__sme_clr(pgprot_val(prot))) #ifndef __ASSEMBLY__ +#include <linux/spinlock.h> #include <asm/x86_init.h> #include <asm/pkru.h> #include <asm/fpu/api.h>
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