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Add a missing suffix that was causing a whole word to get loaded instead

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of the proper 8 or 16 bits when the macro was expanded for those sizes.

Fixes a hang in the armv7 kernel.

Submitted by:	Thomas Skibo
Pointy hat:	ian@
This commit is contained in:
Ian Lepore 2020-03-29 17:30:08 +00:00
parent 65c5bff387
commit 638dcf6ecf
1 changed files with 1 additions and 1 deletions
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sys/arm/include/atomic-v6.h
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@ -196,7 +196,7 @@ ATOMIC_ACQ_REL_LONG(clear)
\ \
__asm __volatile( \ __asm __volatile( \
"1: ldrex" SUF " %[tmp], [%[ptr]] \n" \ "1: ldrex" SUF " %[tmp], [%[ptr]] \n" \
" ldr %[ret], [%[oldv]] \n" \ " ldr" SUF " %[ret], [%[oldv]] \n" \
" teq %[tmp], %[ret] \n" \ " teq %[tmp], %[ret] \n" \
" ittee ne \n" \ " ittee ne \n" \
" str" SUF "ne %[tmp], [%[oldv]] \n" \ " str" SUF "ne %[tmp], [%[oldv]] \n" \