[PATCH 5/25] [PATCH] native versions for system.h functions

This patch adds the native hook for the functions in system.h
They are the read/write_crX, clts and wbinvd. The later, also
gets its call sites patched.

Signed-off-by: Glauber de Oliveira Costa <[email protected]>
---
 arch/x86_64/kernel/tce.c  |    2 +-
 arch/x86_64/mm/pageattr.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c
index e3f2569..587f0c2 100644
--- a/arch/x86_64/kernel/tce.c
+++ b/arch/x86_64/kernel/tce.c
@@ -42,7 +42,7 @@ static inline void flush_tce(void* tceaddr)
 	if (cpu_has_clflush)
 		asm volatile("clflush (%0)" :: "r" (tceaddr));
 	else
-		asm volatile("wbinvd":::"memory");
+		wbinvd();
 }
 
 void tce_build(struct iommu_table *tbl, unsigned long index,
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 7e161c6..b497afd 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -76,7 +76,7 @@ static void flush_kernel_map(void *arg)
 	/* When clflush is available always use it because it is
 	   much cheaper than WBINVD. */
 	if (!cpu_has_clflush)
-		asm volatile("wbinvd" ::: "memory");
+		wbinvd();
 	else list_for_each_entry(pg, l, lru) {
 		void *adr = page_address(pg);
 		cache_flush_page(adr);
-- 
1.4.4.2

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---

• Follow-Ups:
  • Re: [PATCH 5/25] [PATCH] native versions for system.h functions
    • From: "Glauber de Oliveira Costa" <[email protected]>
  • [PATCH 6/25] [PATCH] add native_apic read and write functions, as well as boot clocks ones
    • From: Glauber de Oliveira Costa <[email protected]>

• References:
  • Introducing paravirt_ops for x86_64
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 1/25] [PATCH] header file move
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 2/25] [PATCH] tlb flushing routines
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 3/25] [PATCH] irq_flags / halt routines
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 4/25] [PATCH] Add debugreg/load_rsp native hooks
    • From: Glauber de Oliveira Costa <[email protected]>

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