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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-07-26 10:27:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-26 10:27:37 +0200 |
| commit | 1a4e8795711f474b31ff6eac37f3efd304ed8a93 (patch) | |
| tree | b88d44d821d2e83d38844478e41f243c76c89569 /arch/x86/kernel/e820.c | |
| parent | x86/asm/entry/32: Revert 'Do not use R9 in SYSCALL32' commit (diff) | |
| download | linux-1a4e8795711f474b31ff6eac37f3efd304ed8a93.tar.xz linux-1a4e8795711f474b31ff6eac37f3efd304ed8a93.zip | |
x86/mm/pat: Revert 'Adjust default caching mode translation tables'
Toshi explains:
"No, the default values need to be set to the fallback types,
i.e. minimal supported mode. For WC and WT, UC is the fallback type.
When PAT is disabled, pat_init() does update the tables below to
enable WT per the default BIOS setup. However, when PAT is enabled,
but CPU has PAT -errata, WT falls back to UC per the default values."
Revert: ca1fec58bc6a 'x86/mm/pat: Adjust default caching mode translation tables'
Requested-by: Toshi Kani <toshi.kani@hp.com>
Cc: Jan Beulich <jbeulich@suse.de>
Link: http://lkml.kernel.org/r/1437577776.3214.252.camel@hp.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/e820.c')
0 files changed, 0 insertions, 0 deletions