Ngesikhathi kuxoxwa ngezindlela zokuxazulula izinkinga zamaprosesa e-x86 angawusekeli umyalelo we-"cmpxchg8b", uLinus Torvalds uthe kungase kube yisikhathi sokwenza lo myalelo ube yimpoqo ekusekelweni kwe-kernel kanye ne-drop kwamaprosesa e-i486 angawusekeli "cmpxchg8b" esikhundleni sokuzama ukulingisa lo myalelo kumaprosesa angasasetshenziswa muntu. Njengamanje, cishe konke ukusatshalaliswa Linux, eziqhubeka nokusekela izinhlelo ze-x86 ezingama-32-bit, zishintshele ekwakheni i-kernel ngenketho ye-X86_PAE, edinga ukwesekwa kwe-"cmpxchg8b".
U-Linus ukholelwa ukuthi ama-i486 processors alahlekelwe ukuhambisana kwawo ngokuya ngokusekelwa kwe-kernel, naphezu kokuqhubeka nokusetshenziswa kwawo. Esikhathini esithile, abacubungula baba yizicucu zemnyuziyamu, futhi izinhlamvu "zemnyuziyamu" zamukeleka ngokuphelele kubo. Abasebenzisi abasenezinhlelo ezinama-i486 processors bazokwazi ukusebenzisa ukukhishwa kwe-LTS kernel, okuzosekelwa iminyaka eminingi ezayo.
Ukuphela kokusekelwa kwama-processor we-i486 akudala ngeke kuthinte amaphrosesa ashumekiwe e-Intel's Quark, okuthi, nakuba ahlukaniswa njenge-i486, afake imiyalo eyengeziwe eqondene nesizukulwane se-Pentium, okuhlanganisa ne-"cmpxchg8b." Okufanayo kusebenza kuma-Vortex86DX processors. Ukusekelwa kwama-i386 processors kwasuswa ku-kernel eminyakeni eyi-10 edlule.
Source: opennet.ru
