linux-kernel - [patch V2 11/16] x86/tlb: Move paravirt_tlb_remove

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Message-Id: <20200421092559.849801011@linutronix.de>
Date:   Tue, 21 Apr 2020 11:20:38 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Christoph Hellwig <hch@....de>,
        Kees Cook <keescook@...omium.org>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Thomas Lendacky <Thomas.Lendacky@....com>,
        Juergen Gross <jgross@...e.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: [patch V2 11/16] x86/tlb: Move paravirt_tlb_remove_table() to the usage site

Move it where the only user is.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@...cle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 arch/x86/include/asm/tlbflush.h |    5 -----
 arch/x86/mm/pgtable.c           |    8 ++++++++
 2 files changed, 8 insertions(+), 5 deletions(-)

--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -442,9 +442,4 @@ static inline void arch_tlbbatch_add_mm(
 
 extern void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch);
 
-#ifndef CONFIG_PARAVIRT
-#define paravirt_tlb_remove_table(tlb, page) \
-	tlb_remove_page(tlb, (void *)(page))
-#endif
-
 #endif /* _ASM_X86_TLBFLUSH_H */
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -19,6 +19,14 @@ EXPORT_SYMBOL(physical_mask);
 #define PGTABLE_HIGHMEM 0
 #endif
 
+#ifndef CONFIG_PARAVIRT
+static inline
+void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table)
+{
+	tlb_remove_page(tlb, table);
+}
+#endif
+
 gfp_t __userpte_alloc_gfp = GFP_PGTABLE_USER | PGTABLE_HIGHMEM;
 
 pgtable_t pte_alloc_one(struct mm_struct *mm)