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/freebsd-11-stable/sys/amd64/include/
H A Datomic.hdiff 48796 Tue Jul 13 01:32:17 MDT 1999 alc Changed the implementation of the primitives to guarantee atomicity
with respect to interrupts on UP systems. (The upgrade from gcc 2.7.x
to egcs 1.1.2 produced at least one non-atomic code sequence in
swap_pager_getpages.)

In addition, the primitives are now SMP-safe, but only on SMPs. (For
portability between SMPs and UPs, modules are compiled with the SMP-safe
versions.)

Submitted by: dillon and myself
Reviewed by: bde
/freebsd-11-stable/sys/i386/include/
H A Datomic.hdiff 48796 Tue Jul 13 01:32:17 MDT 1999 alc Changed the implementation of the primitives to guarantee atomicity
with respect to interrupts on UP systems. (The upgrade from gcc 2.7.x
to egcs 1.1.2 produced at least one non-atomic code sequence in
swap_pager_getpages.)

In addition, the primitives are now SMP-safe, but only on SMPs. (For
portability between SMPs and UPs, modules are compiled with the SMP-safe
versions.)

Submitted by: dillon and myself
Reviewed by: bde

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