• Toshi Kani's avatar
    x86/mm, asm-generic: Add ioremap_wt() for creating Write-Through mappings · d838270e
    Toshi Kani authored
    Add ioremap_wt() for creating Write-Through mappings on x86. It
    follows the same model as ioremap_wc() for multi-arch support.
    Define ARCH_HAS_IOREMAP_WT in the x86 version of io.h to
    indicate that ioremap_wt() is implemented on x86.
    
    Also update the PAT documentation file to cover ioremap_wt().
    Signed-off-by: default avatarToshi Kani <toshi.kani@hp.com>
    Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Elliott@hp.com
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Luis R. Rodriguez <mcgrof@suse.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: arnd@arndb.de
    Cc: hch@lst.de
    Cc: hmh@hmh.eng.br
    Cc: jgross@suse.com
    Cc: konrad.wilk@oracle.com
    Cc: linux-mm <linux-mm@kvack.org>
    Cc: linux-nvdimm@lists.01.org
    Cc: stefan.bader@canonical.com
    Cc: yigal@plexistor.com
    Link: http://lkml.kernel.org/r/1433436928-31903-8-git-send-email-bp@alien8.deSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
    d838270e
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