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List:       linux-kernel
Subject:    switch_to function
From:       "Hua Jiang" <speaklst2 () yeah ! net>
Date:       1999-12-06 2:04:39
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I read linux kernel 2.2.13 source code,and found that in the file
'arch/i386/kernel/process.c',the switch_to function use inline asm 'ltr' to
load task register,which I thought could be loaded automatically when the
asm code such as 'iretd','ljmp' or 'call' is executed. anyone knows why it
still use 'ltr' there?

best regards




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