search for: pv_opptr

Displaying 8 results from an estimated 8 matches for "pv_opptr".

[PATCH v3 04/12] Revert "x86/paravirt: Work around GCC inlining bugs when compiling paravirt ops"
2018 Dec 17
0
[PATCH v3 04/12] Revert "x86/paravirt: Work around GCC inlining bugs when compiling paravirt ops"
...t; clobber "\n" \ + ".popsection\n" + /* Generate patchable code, with the default asm parameters. */ -#define paravirt_call \ - "PARAVIRT_CALL type=\"%c[paravirt_typenum]\"" \ - " clobber=\"%c[paravirt_clobber]\"" \ - " pv_opptr=\"%c[paravirt_opptr]\";" +#define paravirt_alt(insn_string) \ + _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]") /* Simple instruction patching code. */ #define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b &qu...
[PATCH v3 6/9] x86: prevent inline distortion by paravirt ops
2018 Jun 11
0
[PATCH v3 6/9] x86: prevent inline distortion by paravirt ops
...d on the operation type number. > + * The type number, computed in PARAVIRT_PATCH, is derived from the > + * offset into the paravirt_patch_template structure, and can therefore be > + * freely converted back into a structure offset. > + */ > +.macro PARAVIRT_ALT type:req clobber:req pv_opptr:req Unlike the marcro maze you replaced, this has the CALL hardcoded in. So maybe name this PARAVIRT_CALL instead of PARAVIRT_ALT ? > +771: ANNOTATE_RETPOLINE_SAFE > + call *\pv_opptr > +772: .pushsection .parainstructions,"a" > + _ASM_ALIGN > + _ASM_PTR 771b > + .byte...
[PATCH v5 6/9] x86: prevent inline distortion by paravirt ops
2018 Jun 20
0
[PATCH v5 6/9] x86: prevent inline distortion by paravirt ops
On Tue, Jun 19, 2018 at 12:48:51PM -0700, Nadav Amit wrote: > +#define paravirt_alt \ > + "PARAVIRT_CALL type=\"%c[paravirt_typenum]\"" \ > + " clobber=\"%c[paravirt_clobber]\"" \ > + " pv_opptr=\"%c[paravirt_opptr]\"" That wants to be: + " pv_opptr=\"%c[paravirt_opptr]\";" And other than that I would suggest: 's/paravirt_alt/paravirt_call/g'.
[PATCH v3 00/12] x86, kbuild: revert macrofying inline assembly code
2018 Dec 17
3
[PATCH v3 00/12] x86, kbuild: revert macrofying inline assembly code
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
[PATCH v3 00/12] x86, kbuild: revert macrofying inline assembly code
2018 Dec 17
3
[PATCH v3 00/12] x86, kbuild: revert macrofying inline assembly code
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
[PATCH v2] x86, kbuild: revert macrofying inline assembly code
2018 Dec 16
1
[PATCH v2] x86, kbuild: revert macrofying inline assembly code
...t; clobber "\n" \ + ".popsection\n" + /* Generate patchable code, with the default asm parameters. */ -#define paravirt_call \ - "PARAVIRT_CALL type=\"%c[paravirt_typenum]\"" \ - " clobber=\"%c[paravirt_clobber]\"" \ - " pv_opptr=\"%c[paravirt_opptr]\";" +#define paravirt_alt(insn_string) \ + _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]") /* Simple instruction patching code. */ #define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b &qu...
[PATCH] kbuild, x86: revert macros in extended asm workarounds
2018 Dec 13
2
[PATCH] kbuild, x86: revert macros in extended asm workarounds
...t; clobber "\n" \ + ".popsection\n" + /* Generate patchable code, with the default asm parameters. */ -#define paravirt_call \ - "PARAVIRT_CALL type=\"%c[paravirt_typenum]\"" \ - " clobber=\"%c[paravirt_clobber]\"" \ - " pv_opptr=\"%c[paravirt_opptr]\";" +#define paravirt_alt(insn_string) \ + _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]") /* Simple instruction patching code. */ #define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b &qu...
[PATCH] kbuild, x86: revert macros in extended asm workarounds
2018 Dec 13
2
[PATCH] kbuild, x86: revert macros in extended asm workarounds
...t; clobber "\n" \ + ".popsection\n" + /* Generate patchable code, with the default asm parameters. */ -#define paravirt_call \ - "PARAVIRT_CALL type=\"%c[paravirt_typenum]\"" \ - " clobber=\"%c[paravirt_clobber]\"" \ - " pv_opptr=\"%c[paravirt_opptr]\";" +#define paravirt_alt(insn_string) \ + _paravirt_alt(insn_string, "%c[paravirt_typenum]", "%c[paravirt_clobber]") /* Simple instruction patching code. */ #define NATIVE_LABEL(a,x,b) "\n\t.globl " a #x "_" #b &qu...