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f6aee505c7
- Add TPAUSE based delay which allows the CPU to enter an optimized power state while waiting for the delay to pass. The delay is based on TSC cycles. - Add tsc_early_khz command line parameter to workaround the problem that overclocked CPUs can report the wrong frequency via CPUID.16h which causes the refined calibration to fail because the delta to the initial frequency value is too big. With the parameter users can provide an halfways accurate initial value. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl7XvMITHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoQ59EACWOU2E+S/b+AqKoZRAJWbTASmu2jEU 4AukhjO3A0y+G3EqnCtvQbUbKkthScSmrDJs2Dt8CTO6q3Fqv/f5JgoubgSx9Hbj pF1hvueOvRBpinzGEJbDbv+HbkoCYr10DZ5dZ8uz120pSnlfSNNpgZ6hJkOFaUHu nwVEJpkg2x3ZsiJrgyOfdorwbxO5dCNY9YVL3jyVXUi5QfP3lYrr3/Nz6daIRtRn Q9tj48N4Bk4ASgmg4rSdXd6OKeZ3Oz1nerol5vFvBeaOc8PVcKSu5sSqMIHHUV2M RJq8T4nW5Y4pkYjpdYP7Pr/3HYbSNW6eU+MycfnJOzYYTIQfFWkG2wHDNuOg/v+A GC/grS6wNBj/+tZlvWTwLPf44h7V+sowzYPHBWounT/5drFZ+xsm8+Je4s2NtNih rbG/4oOQ2jn05PNBCCOyLuP33efQ3ub2UHPCoUxckMiX2eqI+iWpdllZLSiSADZY jlbXgTQ/Fa3nGKVYVDi1GYbx1rBr/HbsbgvGV4D802s7inmev0azrbgc/CECrnvO rEa501Y1xzxZ7Zet0QvLK/7aKP532pCmgZiBSmcnS73FBbnssvNJiHlAeq4NHtN2 TsaGYLy0iPSj7siXEaeysUKRjUTNNrgRvtWfo35GDjWahgXhixIvVVpwxnWws5cj aNR5FwxnI03V2A== =199V -----END PGP SIGNATURE----- Merge tag 'x86-timers-2020-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 timer updates from Thomas Gleixner: "X86 timer specific updates: - Add TPAUSE based delay which allows the CPU to enter an optimized power state while waiting for the delay to pass. The delay is based on TSC cycles. - Add tsc_early_khz command line parameter to workaround the problem that overclocked CPUs can report the wrong frequency via CPUID.16h which causes the refined calibration to fail because the delta to the initial frequency value is too big. With the parameter users can provide an halfways accurate initial value" * tag 'x86-timers-2020-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/tsc: Add tsc_early_khz command line parameter x86/delay: Introduce TPAUSE delay x86/delay: Refactor delay_mwaitx() for TPAUSE support x86/delay: Preparatory code cleanup |
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.. | ||
.gitignore | ||
atomic64_32.c | ||
atomic64_386_32.S | ||
atomic64_cx8_32.S | ||
cache-smp.c | ||
checksum_32.S | ||
clear_page_64.S | ||
cmdline.c | ||
cmpxchg8b_emu.S | ||
cmpxchg16b_emu.S | ||
copy_page_64.S | ||
copy_user_64.S | ||
cpu.c | ||
csum-copy_64.S | ||
csum-partial_64.c | ||
csum-wrappers_64.c | ||
delay.c | ||
error-inject.c | ||
getuser.S | ||
hweight.S | ||
inat.c | ||
insn-eval.c | ||
insn.c | ||
iomap_copy_64.S | ||
iomem.c | ||
kaslr.c | ||
Makefile | ||
memcpy_32.c | ||
memcpy_64.S | ||
memmove_64.S | ||
memset_64.S | ||
misc.c | ||
mmx_32.c | ||
msr-reg-export.c | ||
msr-reg.S | ||
msr-smp.c | ||
msr.c | ||
putuser.S | ||
retpoline.S | ||
string_32.c | ||
strstr_32.c | ||
usercopy_32.c | ||
usercopy_64.c | ||
usercopy.c | ||
x86-opcode-map.txt |