Messages in this thread | | | Date | Wed, 25 May 2016 13:50:39 -0700 (PDT) | Subject | Re: [PATCH 01/23] all: syscall wrappers: add documentation | From | David Miller <> |
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From: Arnd Bergmann <arnd@arndb.de> Date: Wed, 25 May 2016 22:47:33 +0200
> If we use the normal calling conventions, we could remove these overrides > along with the respective special-case handling in glibc. None of them > look particularly performance-sensitive, but I could be wrong there.
You could set the lowest bit in the system call entry pointer to indicate the upper-half clears should be elided.
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