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 <gcosta@xxxxxxxxxx>
---
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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