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/linux-4.1.27/Documentation/x86/
Dpat.txt2 PAT (Page Attribute Table)
4 x86 Page Attribute Table (PAT) allows for setting the memory attribute at the
5 page level granularity. PAT is complementary to the MTRR settings which allows
6 for setting of memory types over physical address ranges. However, PAT is
13 PAT allows for different types of memory attributes. The most commonly used
18 PAT APIs
93 With PAT support, a new API pgprot_writecombine is being added. So, drivers can
121 Over time writes to /proc/mtrr will be deprecated in favor of using PAT based
130 PAT debugging
133 With CONFIG_DEBUG_FS enabled, PAT memtype list can be examined by
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/linux-4.1.27/drivers/media/i2c/
Dsaa6752hs.c127 static const u8 PAT[] = { variable
474 memcpy(localPAT, PAT, sizeof(PAT)); in saa6752hs_init()
477 crc = crc32_be(~0, &localPAT[7], sizeof(PAT) - 7 - 4); in saa6752hs_init()
478 localPAT[sizeof(PAT) - 4] = (crc >> 24) & 0xFF; in saa6752hs_init()
479 localPAT[sizeof(PAT) - 3] = (crc >> 16) & 0xFF; in saa6752hs_init()
480 localPAT[sizeof(PAT) - 2] = (crc >> 8) & 0xFF; in saa6752hs_init()
481 localPAT[sizeof(PAT) - 1] = crc & 0xFF; in saa6752hs_init()
515 i2c_master_send(client, localPAT, sizeof(PAT)); in saa6752hs_init()
/linux-4.1.27/arch/x86/mm/
Dpat.c194 #define PAT(x, y) ((u64)PAT_ ## y << ((x)*8)) macro
233 pat = PAT(0, WB) | PAT(1, WC) | PAT(2, UC_MINUS) | PAT(3, UC) | in pat_init()
234 PAT(4, WB) | PAT(5, WC) | PAT(6, UC_MINUS) | PAT(7, UC); in pat_init()
251 #undef PAT
/linux-4.1.27/arch/x86/kvm/
Dcpuid.c305 F(PAT) | F(PSE36) | 0 /* PSN */ | F(CLFLUSH) | in __do_cpuid_ent()
315 F(PAT) | F(PSE36) | 0 /* Reserved */ | in __do_cpuid_ent()
/linux-4.1.27/Documentation/vm/
Dhighmem.txt157 like NX and PAT.
/linux-4.1.27/arch/x86/
DKconfig.debug14 be used by people debugging the kernel. Note that with PAT support
DKconfig1597 prompt "x86 PAT support" if EXPERT
1600 Use PAT attributes to setup page level cache control.
/linux-4.1.27/Documentation/
Dkernel-parameters.txt850 debugpat [X86] Enable PAT debugging
2465 nopat [X86] Disable PAT (page attribute table extension of