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This series reverts the in-kernel workarounds for inlining issues. The commit description of 77b0bf55bc67 mentioned "We also hope that GCC will eventually get fixed,..." Now, GCC provides a solution. https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html explains the new "asm inline" syntax. The performance issue will be eventually solved. [About Code cleanups] I know Nadam Amit...

This series reverts the in-kernel workarounds for inlining issues. The commit description of 77b0bf55bc67 mentioned "We also hope that GCC will eventually get fixed,..." Now, GCC provides a solution. https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html explains the new "asm inline" syntax. The performance issue will be eventually solved. [About Code cleanups] I know Nadam Amit...

...8 at 5:26 AM Nadav Amit <namit at vmware.com> wrote: > > > On Dec 17, 2018, at 8:03 AM, Masahiro Yamada <yamada.masahiro at socionext.com> wrote: > > > > This series reverts the in-kernel workarounds for inlining issues. > > > > The commit description of 77b0bf55bc67 mentioned > > "We also hope that GCC will eventually get fixed,..." > > > > Now, GCC provides a solution. > > > > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgcc.gnu.org%2Fonlinedocs%2Fgcc%2FExtended-Asm.html&amp;data=02%7C01%7Cnamit%...

...olved conflicts in arch/x86/include/asm/refcount.h caused by > > 288e4521f0f6 ("x86/asm: 'Simplify' GEN_*_RMWcc() macros"). > > > > [8] c06c4d809051 ("x86/objtool: Use asm macros to work around GCC > > inlining bugs") > > > > [9] 77b0bf55bc67 ("kbuild/Makefile: Prepare for using macros in inline > > assembly code to work around asm() related GCC inlining bugs") > > > > A few days after those commits applied, discussion started to solve > > the issue more elegantly with the help of compiler: > >...

* Masahiro Yamada <yamada.masahiro at socionext.com> wrote: > This series reverts the in-kernel workarounds for inlining issues. > > The commit description of 77b0bf55bc67 mentioned > "We also hope that GCC will eventually get fixed,..." > > Now, GCC provides a solution. > > https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html > explains the new "asm inline" syntax. > > The performance issue will be eventually solved. &g...

...6/refcount: Work around GCC inlining bug") Resolved conflicts in arch/x86/include/asm/refcount.h caused by 288e4521f0f6 ("x86/asm: 'Simplify' GEN_*_RMWcc() macros"). [8] c06c4d809051 ("x86/objtool: Use asm macros to work around GCC inlining bugs") [9] 77b0bf55bc67 ("kbuild/Makefile: Prepare for using macros in inline assembly code to work around asm() related GCC inlining bugs") A few days after those commits applied, discussion started to solve the issue more elegantly with the help of compiler: https://lkml.org/lkml/2018/10/7/92 The new...