30 lines
802 B
Diff
30 lines
802 B
Diff
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diff -urN kernel.orig/nv-pat.c kernel/nv-pat.c
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--- kernel.orig/nv-pat.c 2015-01-22 22:01:16.000000000 +0300
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+++ kernel/nv-pat.c 2015-06-19 13:46:17.360300340 +0300
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@@ -35,8 +35,13 @@
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unsigned long cr0 = read_cr0();
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write_cr0(((cr0 & (0xdfffffff)) | 0x40000000));
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wbinvd();
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 20, 0)
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*cr4 = read_cr4();
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if (*cr4 & 0x80) write_cr4(*cr4 & ~0x80);
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+#else
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+ *cr4 = __read_cr4();
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+ if (*cr4 & 0x80) __write_cr4(*cr4 & ~0x80);
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+#endif
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__flush_tlb();
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}
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@@ -46,7 +51,11 @@
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wbinvd();
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__flush_tlb();
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write_cr0((cr0 & 0x9fffffff));
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 20, 0)
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if (cr4 & 0x80) write_cr4(cr4);
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+#else
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+ if (cr4 & 0x80) __write_cr4(cr4);
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+#endif
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}
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static int nv_determine_pat_mode(void)
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