Diffusion FreeBSD src repository - subversion rS322763

Optimize libc to get and set TLS using the RDFSBASE and RDGSBASE
rS322763
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Description

Optimize libc to get and set TLS using the RDFSBASE and RDGSBASE
instructions, if supported both by CPU and kernel.

Reviewed by: jhb (previous version)
Tested by: pho (previous version)
Sponsored by: The FreeBSD Foundation
MFC after: 3 weeks
Differential revision: https://reviews.freebsd.org/D12023

Details

Provenance

kib	Authored on

Reviewer

jhb

Differential Revision

D12023: Make WRFSBASE and WRGSBASE functional.

Parents

rS322762: Make WRFSBASE and WRGSBASE instructions functional.

Branches

Unknown

Tags

Unknown

Event Timeline

kib committed rS322763: Optimize libc to get and set TLS using the RDFSBASE and RDGSBASE.Aug 21 2017, 5:39 PM

Changes (7)

Path

Size

head/

lib/

libc/

amd64/

sys/

Makefile.inc

amd64_detect_rdfsgsbase.c

amd64_detect_rdfsgsbase.h

rS322763

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head/lib/libc/amd64/sys/Makefile.inc

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head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.c

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head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.h

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head/lib/libc/amd64/sys/amd64_get_fsbase.c

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head/lib/libc/amd64/sys/amd64_get_gsbase.c

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head/lib/libc/amd64/sys/amd64_set_fsbase.c

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head/lib/libc/amd64/sys/amd64_set_gsbase.c

Optimize libc to get and set TLS using the RDFSBASE and RDGSBASErS322763Actions

Description

Details

Event Timeline

Changes (7)

rS322763

head/lib/libc/amd64/sys/Makefile.inc

head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.c

head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.h

head/lib/libc/amd64/sys/amd64_get_fsbase.c

head/lib/libc/amd64/sys/amd64_get_gsbase.c

head/lib/libc/amd64/sys/amd64_set_fsbase.c

head/lib/libc/amd64/sys/amd64_set_gsbase.c

Optimize libc to get and set TLS using the RDFSBASE and RDGSBASE
rS322763
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