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EANCK
Master Member
 

¥[¤J¤é´Á: Aug 2003
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AMD¥H«eªº©U§£¬[ºc¤£¥ÎÁ¿¤F¡A¦pªGÃÒ¹êRYZEN¤]¦³³oÃþ°ÝÃD¡A
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¦¹¤å³¹©ó 2018-01-04 02:18 PM ³Q EANCK ½s¿è.
ÂÂ 2018-01-04, 02:17 PM #31
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EANCKÂ÷½u¤¤  
florance
Golden Member
 
floranceªº¤jÀY·Ó
 

¥[¤J¤é´Á: Dec 2003
¤å³¹: 3,688
Intel CPU ¤j®a³£¬Û«H¥¦¨S°ÝÃD... ¦ý¬O bug ²{¦b¥¿¦b¸É¡C

PTI patch ±j¨î¦b AMD ¤W¶}±Ò, ¥Ø«e¬Ý°_¨Ó®Ä¯à¤]¬O¦³©Ò´î·l¡C
PTI patch on AMD ¥Ø«eªº patch ¬Ý°_¨Ó¹³¬OµL§O®t§ðÀ», ¤@°_­°®Ä¯à¡C

PTI patch ´£¨ì AMD ¥t¤@­Ó°ÝÃD¬O¤°»ò?
¤£¤jÀ´³o³¡¤Àªº»¡ªk...

¤Þ¥Î:
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§A¥i¥H¦Û¤v¬Ý¾ã­Ómergeªºpatches
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¬Ý°_¨Ó¨ä¹ê³o¨Ç¼gpatchesªº¤H®Ú¥»µLªk»¡¥XAMD¤@©w¨S°ÝÃD
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¤£¹L¦bPTI patches¸Ì­±¤]´£¨ìAMD¦³¥t¥~¤@­Ó°ÝÃD
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·Æ©YÂÕ»~ (Slippery slope) ¬O¤@ºØ«D§Î¦¡ÂÕ»~¡A¨Ï¥Î³s¦êªº¦]ªG±À½×¡A«o¸Ø¤j¤F¨C­ÓÀô¸`ªº¦]ªG±j«×¡A¦Ó±o¨ì¤£¦X²zªºµ²½×¡C

LGBT¤Hª«¦Cªí ¥@¬É·|¦]¬°¤£¦Pªº±T¨£¦Ó¦h¼Ë¤Æ, «o·|¦]¬°ª[µø¦Ó¨B¦V¹ï¥ß¡C
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[¤À¨É]Asrock 939Dual-SATA2 »P BBA X800XL ¬Û®e©Ê°ÝÃD!!

¨Ï¥Î Microsoft TweakUI Ãö³¬ Autorun.inf
¦ºÂû 11 SMART BAD ½Ðª`·N
¤â¤W¦³ ¦ºÂû 12 ªºªB¤Í½Ðª`·N!! «ËÂû ¶´Åé§ó·s!! ¤W¬M¤¤ Barracuda 7200.12 Firmware Update "CC3E"
Amazfit ¦Ì°Ê¤â¿ö«C¬Kª© ¿ö­±§ó´«¨BÆJ & ¿ö­±¤U¸ü
ÂÂ 2018-01-04, 02:33 PM #32
¦^À³®É¤Þ¥Î¦¹¤å³¹
floranceÂ÷½u¤¤  
space
Junior Member
 

¥[¤J¤é´Á: Apr 2003
¤å³¹: 730
¤Þ¥Î:
§@ªÌoversky.
½Ð°Ý¬O guest OS ¶¡·|¦³°ÝÃD¡A
ÁÙ¬O guest OS ¤]¥i¥H¼vÅT¨ì host OS?
¦b guest OS ùØ´ú¯f¬r·|¼vÅT¨ì host OS ¶Ü¡H

https://googleprojectzero.blogspot....h-side.html?m=1

¤å³¹¤¤·j´M¥H¤U¤å¦r
Reading host memory from a KVM guest
ÂÂ 2018-01-04, 03:02 PM #33
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spaceÂ÷½u¤¤  
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Elite Member
 
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¥[¤J¤é´Á: Mar 2001
±zªº¦í§}: Rivia
¤å³¹: 6,968
¤Þ¥Î:
§@ªÌflorance
Intel CPU ¤j®a³£¬Û«H¥¦¨S°ÝÃD... ¦ý¬O bug ²{¦b¥¿¦b¸É¡C

PTI patch ±j¨î¦b AMD ¤W¶}±Ò, ¥Ø«e¬Ý°_¨Ó®Ä¯à¤]¬O¦³©Ò´î·l¡C
PTI patch on AMD (https://www.phoronix.com/scan.php?p...re-x86pti&num=1) ¥Ø«eªº patch ¬Ý°_¨Ó¹³¬OµL§O®t§ðÀ», ¤@°_­°®Ä¯à¡C

PTI patch ´£¨ì AMD ¥t¤@­Ó°ÝÃD¬O¤°»ò?
¤£¤jÀ´³o³¡¤Àªº»¡ªk...

¥L¨S¼g¬O¬Æ»ò
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"INTEL¦³ªº°ÝÃD¡A½T¹êAMD¨S¦³"
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¥D­n¬O·½¦Û³o¨âºØ§ðÀ»
spectre¸òmeltdown
https://meltdownattack.com/
https://spectreattack.com/

³o¨â­Ó©xºô§A³s¹L¥h¨ä¹ê¨âªÌ¬O¦P¼Ëªººô¯¸
¦]¬°³o¨âºØ§ðÀ»³£¥²¶·º¡¨¬¤~¯à³Q§Q¥Î
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©Ê¯à¤@¼Ë¤]¦³¤U­°ªº°ÝÃD
__________________
Folding@home with GPGPU¶°¤¤°Q½×¦ê

Unix Review: ArchLinux¡´Sabayon¡´OpenSolaris 2008.5¡´Ubuntu 8.10
AVs Review: GDTC¡´AntiVir SS¡´ESS¡´KIS 09¡´NIS 09¡´Norton 360 V3

I Always Get What I Want.
ÂÂ 2018-01-04, 03:11 PM #34
¦^À³®É¤Þ¥Î¦¹¤å³¹
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bureia
Golden Member
 

¥[¤J¤é´Á: Dec 2001
¤å³¹: 2,875
³o­Óº|¬}­nÆpÀ³¸Ó¤]­n«Ü¦h±ø¥ó,¤£µM«ç»ò·|¤Q¦~¤~Ãz

¦Ó¥B¥¿¦¡ªº­×¥¿ÁÙ¨S©ñ,¨º¥Îintel CPUªº¤£´N¦b»r©b
¥Ø«e¦n¹³ÁÙ¨S¨a±¡¶Ç¥X

Á`¤§µ¥¥¿¦¡­×¥¿¥X¨Óªº´ú¸Õµ²ªG,¬Ý®Ä¯à·|±¼¦h¤Ö,intel±¼«Ü¦hªº¸Ü,
»¡¤£©w´N¦³¤@¸Uªº8®Ö¥i¶R¤F

¤£¹L³ÌªñÁÙ¯u¤£¬O¶R·sPCªº¦n®É¶¡ÂI

¤U¥NCPUÀ³¸Ó´N·|µwÅé­×¥¿¤F,¤£ª¾®Ä¯à·|®t¦h¤Ö
ÂÂ 2018-01-04, 04:26 PM #35
¦^À³®É¤Þ¥Î¦¹¤å³¹
bureiaÂ÷½u¤¤  
florance
Golden Member
 
floranceªº¤jÀY·Ó
 

¥[¤J¤é´Á: Dec 2003
¤å³¹: 3,688
¨S¼g¤°»ò«ç¯à·N«ü¦³°ÝÃD... ?

AMD µw¤W PTI ­×¥¿®Ä¯à­°§Cªº³¡¤À

("±À´ú"...)¤ñ¸û¹³¬O 1¥Î¤F¹H³W¤è¦¡, 2 ¥Î¤F¥¿±`¤è¦¡;
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"INTEL¦³ªº°ÝÃD¡A½T¹êAMD¨S¦³"
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¥D­n¬O·½¦Û³o¨âºØ§ðÀ»
spectre¸òmeltdown
https://meltdownattack.com/
https://spectreattack.com/

³o¨â­Ó©xºô§A³s¹L¥h¨ä¹ê¨âªÌ¬O¦P¼Ëªººô¯¸
¦]¬°³o¨âºØ§ðÀ»³£¥²¶·º¡¨¬¤~¯à³Q§Q¥Î
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·|¶¶«K­×¥¿¤£·íside channel¦s¨ú

¥Ø«e¬O»{¬°AMD¨S¦³³o­Ó°ÝÃD
¤£¹L¤]¥u¦³AMD¦Û¤v³Ì²M·¡¬°¤°»ò­×¥¿«á
©Ê¯à¤@¼Ë¤]¦³¤U­°ªº°ÝÃD
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µ¹¯uªº¬Ã±¤¦Û¤v±b¸¹ªº¤H: °±Åv±b¸¹ ¥Ó½Ð´_±b¤è¦¡¡C
¥xÆW¨Æ¹ê¬d®Ö¤¤¤ß ¬°IFCN°ê»Ú¨Æ¹ê¬d®ÖÁp·ù¦X§@¹Ù¦ñ, ¬°¥xÆW¥´À»¿ù»~°T®§¡C
·Æ©YÂÕ»~ (Slippery slope) ¬O¤@ºØ«D§Î¦¡ÂÕ»~¡A¨Ï¥Î³s¦êªº¦]ªG±À½×¡A«o¸Ø¤j¤F¨C­ÓÀô¸`ªº¦]ªG±j«×¡A¦Ó±o¨ì¤£¦X²zªºµ²½×¡C

LGBT¤Hª«¦Cªí ¥@¬É·|¦]¬°¤£¦Pªº±T¨£¦Ó¦h¼Ë¤Æ, «o·|¦]¬°ª[µø¦Ó¨B¦V¹ï¥ß¡C
¬ü¬ã¨sÀ£­Ë©Ê¦@ÃÑ¡G¦P©ÊÅÊ®a®x»P²§©ÊÅʾi¨|ªº¤l¤k¨ÃµL®t²§, µo©úÀù¯g¸Õ¯Èªº¦P§Ó¨k«Ä

[¤À¨É]Asrock 939Dual-SATA2 »P BBA X800XL ¬Û®e©Ê°ÝÃD!!

¨Ï¥Î Microsoft TweakUI Ãö³¬ Autorun.inf
¦ºÂû 11 SMART BAD ½Ðª`·N
¤â¤W¦³ ¦ºÂû 12 ªºªB¤Í½Ðª`·N!! «ËÂû ¶´Åé§ó·s!! ¤W¬M¤¤ Barracuda 7200.12 Firmware Update "CC3E"
Amazfit ¦Ì°Ê¤â¿ö«C¬Kª© ¿ö­±§ó´«¨BÆJ & ¿ö­±¤U¸ü
ÂÂ 2018-01-04, 04:48 PM #36
¦^À³®É¤Þ¥Î¦¹¤å³¹
floranceÂ÷½u¤¤  
bureia
Golden Member
 

¥[¤J¤é´Á: Dec 2001
¤å³¹: 2,875
¤Þ¥Î:
§@ªÌflorance
AMD TLB bug ¸ò Intel ³o¦¸ªº¤ñ°_¨Ó¬O¤p§Å¨£¤j§Å¤F...
AMD TLB ¬O¦b¥X³f¤£¤[«áµo²{, ÁÙ¯à¥Î BIOS ­×¥¿...

Intel ³o­Ó¯à¾î¸ó10¦~ªº bug...

PhenomªºTLB Bug¤]¨S­×,¬Oª½±µÃö±¼L3Á׶}°ÝÃD

³o¦¸ªº°ÝÃD¬Ý¨Ó¤£¯àª½±µÃö±¼,¥u¯à¦bOS±j¨î¶¹L¦³°ÝÃDªº¦a¤è
ÂÂ 2018-01-04, 05:36 PM #37
¦^À³®É¤Þ¥Î¦¹¤å³¹
bureiaÂ÷½u¤¤  
rockports
Power Member
 
rockportsªº¤jÀY·Ó
 

¥[¤J¤é´Á: Feb 2015
¤å³¹: 618
https://www.ptt.cc/bbs/PC_Shopping/...5576.A.184.html

LINUS ¥»¤HÃÒ¹êĬ¶ýªº»¡ªk¡A¦b·sªº®Ö¤ß¸É¤B¸Ì­±±Æ°£¤FAMDªºCPU

"Exclude AMD from the PTI enforcement. Not necessarily a fix, but if AMD is so c
onfident that they are not affected, then we should not burden users with the ov
erhead - x86/cpu, x86/pti: Do not enable PTI on AMD processors"

"AMD processors are not subject to the types of attacks that the kernel page tab
le isolation feature protects against. The AMD microarchitecture does not allow
memory references, including speculative references, that access higher privileg
ed data when running in a lesser privileged mode when that access would result i
n a page fault."

Linus Torvalds Trusts Lisa Su's Commitment to AMD CPU Security
http://go.newsfusion.com/security/item/1108590
ÂÂ 2018-01-04, 06:08 PM #38
¦^À³®É¤Þ¥Î¦¹¤å³¹
rockportsÂ÷½u¤¤  
³¥¤f¶©¥v
Elite Member
 
³¥¤f¶©¥vªº¤jÀY·Ó
 

¥[¤J¤é´Á: Mar 2001
±zªº¦í§}: Rivia
¤å³¹: 6,968
¤Þ¥Î:
§@ªÌflorance
¨S¼g¤°»ò«ç¯à·N«ü¦³°ÝÃD... ?

AMD µw¤W PTI ­×¥¿®Ä¯à­°§Cªº³¡¤À

("±À´ú"...)¤ñ¸û¹³¬O 1¥Î¤F¹H³W¤è¦¡, 2 ¥Î¤F¥¿±`¤è¦¡;
¦ý¬O­×¥¿Àɳq³q¸T¤î¥Î...¦Ó¾É­P¨âªÌ³£­°§C¡C

¼gpatchesªº¤H¤£³o»ò»{¬°
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¥L¨S»¡¨ãÅé¬O¤°»ò°ÝÃD
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¦Ó¥B§Ú¬Ý¤F¤@¤U©Ò¿×½T»{±Æ°£AMD
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¦pªG§A¦³ºÃ°Ý¥i¥H¥hgit±K¥L¬O¤°»ò°ÝÃD
__________________
Folding@home with GPGPU¶°¤¤°Q½×¦ê

Unix Review: ArchLinux¡´Sabayon¡´OpenSolaris 2008.5¡´Ubuntu 8.10
AVs Review: GDTC¡´AntiVir SS¡´ESS¡´KIS 09¡´NIS 09¡´Norton 360 V3

I Always Get What I Want.
ÂÂ 2018-01-04, 06:41 PM #39
¦^À³®É¤Þ¥Î¦¹¤å³¹
³¥¤f¶©¥vÂ÷½u¤¤  
³¥¤f¶©¥v
Elite Member
 
³¥¤f¶©¥vªº¤jÀY·Ó
 

¥[¤J¤é´Á: Mar 2001
±zªº¦í§}: Rivia
¤å³¹: 6,968
¤Þ¥Î:
§@ªÌbureia
³o­Óº|¬}­nÆpÀ³¸Ó¤]­n«Ü¦h±ø¥ó,¤£µM«ç»ò·|¤Q¦~¤~Ãz

¦Ó¥B¥¿¦¡ªº­×¥¿ÁÙ¨S©ñ,¨º¥Îintel CPUªº¤£´N¦b»r©b
¥Ø«e¦n¹³ÁÙ¨S¨a±¡¶Ç¥X

Á`¤§µ¥¥¿¦¡­×¥¿¥X¨Óªº´ú¸Õµ²ªG,¬Ý®Ä¯à·|±¼¦h¤Ö,intel±¼«Ü¦hªº¸Ü,
»¡¤£©w´N¦³¤@¸Uªº8®Ö¥i¶R¤F

¤£¹L³ÌªñÁÙ¯u¤£¬O¶R·sPCªº¦n®É¶¡ÂI

¤U¥NCPUÀ³¸Ó´N·|µwÅé­×¥¿¤F,¤£ª¾®Ä¯à·|®t¦h¤Ö

¬Oµo²{°ÝÃD«áLinux kernelªºpatches³Q«õ¥X¨Ó¤~Ãzªº
¤£µM­ì¥»¤]¬O¥´ºâ°½°½­×¥¿

³o­Ó°ÝÃD¥»¨ÓÀ³¸ÓÀY¤jªº´N¬O¤£¬O§Ú­Ì³oºØ´M±`¦Ê©m
Áö»¡ÅS¬}§Q¥Î±ø¥ó»á°ª
¦ý¹ï©ó¨º¨ÇVM¼t°Ó¥i´N¤£¦P¤F

§Úªá­Ó20Á⯲¤@¥xLinux basedªºvm
µM«á´N¥i¥H³z¹L³o­Óº|¬}¼´¨ìvm hostªº°O¾ÐÅ餺¸ê®Æ
¨S¦³¼t°Ó·|Ä@·N
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¥u¦³¤@¯ëend user¤~·|¦b·N¨º¤@¨â­w©Ê¯à
__________________
Folding@home with GPGPU¶°¤¤°Q½×¦ê

Unix Review: ArchLinux¡´Sabayon¡´OpenSolaris 2008.5¡´Ubuntu 8.10
AVs Review: GDTC¡´AntiVir SS¡´ESS¡´KIS 09¡´NIS 09¡´Norton 360 V3

I Always Get What I Want.
ÂÂ 2018-01-04, 06:49 PM #40
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