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@@ -447,7 +447,6 @@ config PARAVIRT_DEBUG
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config MEMTEST
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bool "Memtest"
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depends on X86_64
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- default y
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help
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This option adds a kernel parameter 'memtest', which allows memtest
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to be set.
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@@ -455,7 +454,7 @@ config MEMTEST
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memtest=1, mean do 1 test pattern;
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...
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memtest=4, mean do 4 test patterns.
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- If you are unsure how to answer this question, answer Y.
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+ If you are unsure how to answer this question, answer N.
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config X86_SUMMIT_NUMA
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def_bool y
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@@ -1135,21 +1134,18 @@ config MTRR
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See <file:Documentation/mtrr.txt> for more information.
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config MTRR_SANITIZER
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- def_bool y
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+ bool
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prompt "MTRR cleanup support"
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depends on MTRR
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help
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- Convert MTRR layout from continuous to discrete, so some X driver
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- could add WB entries.
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+ Convert MTRR layout from continuous to discrete, so X drivers can
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+ add writeback entries.
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- Say N here if you see bootup problems (boot crash, boot hang,
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- spontaneous reboots).
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+ Can be disabled with disable_mtrr_cleanup on the kernel command line.
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+ The largest mtrr entry size for a continous block can be set with
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+ mtrr_chunk_size.
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- Could be disabled with disable_mtrr_cleanup. Also mtrr_chunk_size
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- could be used to send largest mtrr entry size for continuous block
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- to hold holes (aka. UC entries)
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-
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- If unsure, say Y.
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+ If unsure, say N.
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config MTRR_SANITIZER_ENABLE_DEFAULT
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int "MTRR cleanup enable value (0-1)"
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@@ -1166,7 +1162,7 @@ config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT
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depends on MTRR_SANITIZER
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help
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mtrr cleanup spare entries default, it can be changed via
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- mtrr_spare_reg_nr=
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+ mtrr_spare_reg_nr=N on the kernel command line.
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config X86_PAT
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bool
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Thomas Gleixner