Date: Tue, 10 May 2016 17:51:18 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r299379 - head/sys/compat/linuxkpi/common/include/linux Message-ID: <201605101751.u4AHpIrk013651@repo.freebsd.org>
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Author: hselasky Date: Tue May 10 17:51:17 2016 New Revision: 299379 URL: https://svnweb.freebsd.org/changeset/base/299379 Log: Implement ioremap_wt() and use that in the MEMREMAP_WT case for i386 and amd64. Suggested by: cem @ Discussed with: kmacy @ MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/include/linux/io.h Modified: head/sys/compat/linuxkpi/common/include/linux/io.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/io.h Tue May 10 17:34:35 2016 (r299378) +++ head/sys/compat/linuxkpi/common/include/linux/io.h Tue May 10 17:51:17 2016 (r299379) @@ -183,6 +183,8 @@ void *_ioremap_attr(vm_paddr_t phys_addr _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_COMBINING) #define ioremap_wb(addr, size) \ _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_BACK) +#define ioremap_wt(addr, size) \ + _ioremap_attr((addr), (size), VM_MEMATTR_WRITE_THROUGH) #define ioremap(addr, size) \ _ioremap_attr((addr), (size), VM_MEMATTR_UNCACHEABLE) void iounmap(void *addr); @@ -227,7 +229,7 @@ memremap(resource_size_t offset, size_t (addr = ioremap_wb(offset, size)) != NULL) goto done; if ((flags & MEMREMAP_WT) && - (addr = ioremap_nocache(offset, size)) != NULL) + (addr = ioremap_wt(offset, size)) != NULL) goto done; if ((flags & MEMREMAP_WC) && (addr = ioremap_wc(offset, size)) != NULL)
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