Patchew URL: https://patchew.org/QEMU/20190313124042.12855-1-pbonz...@redhat.com/
Hi, This series seems to have some coding style problems. See output below for more information: Type: series Message-id: 20190313124042.12855-1-pbonz...@redhat.com Subject: [Qemu-devel] [RFC PATCH for-4.1 0/7] CET support === TEST SCRIPT BEGIN === #!/bin/bash git rev-parse base > /dev/null || exit 0 git config --local diff.renamelimit 0 git config --local diff.renames True git config --local diff.algorithm histogram ./scripts/checkpatch.pl --mailback base.. === TEST SCRIPT END === Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384 From https://github.com/patchew-project/qemu * [new tag] patchew/20190313124042.12855-1-pbonz...@redhat.com -> patchew/20190313124042.12855-1-pbonz...@redhat.com Switched to a new branch 'test' 02c0a89398 coroutine-x86: add CET shadow stack support d6b4a66dae linux-user: add IBT support to x86 safe-syscall.S 557440b557 tcg/i386: add support for IBT 0dcf5666a8 tcg: add tcg_out_start 3d024eed3b configure: add CET support 7329c9d257 coroutine: add x86 specific coroutine backend ac50f7fd11 qemugdb: allow adding support for other coroutine backends === OUTPUT BEGIN === 1/7 Checking commit ac50f7fd1139 (qemugdb: allow adding support for other coroutine backends) WARNING: line over 80 characters #147: FILE: scripts/qemugdb/coroutine.py:65: + return coroutine_backend().get_coroutine_regs(addr)['rsp'].cast(VOID_PTR) WARNING: line over 80 characters #155: FILE: scripts/qemugdb/coroutine.py:72: + return coroutine_backend().get_coroutine_regs(addr)['rip'].cast(VOID_PTR) WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? #157: new file mode 100644 ERROR: line over 90 characters #206: FILE: scripts/qemugdb/coroutine_ucontext.py:45: + return gdb.parse_and_eval('(((uint64_t)%s >> 0x11) | ((uint64_t)%s << (64 - 0x11))) ^ (uint64_t)%s' % (val, val, pointer_guard)) total: 1 errors, 3 warnings, 205 lines checked Patch 1/7 has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. 2/7 Checking commit 7329c9d25706 (coroutine: add x86 specific coroutine backend) WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? #70: new file mode 100644 WARNING: architecture specific defines should be avoided #143: FILE: util/coroutine-x86.c:30: +#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer) ERROR: code indent should never use tabs #150: FILE: util/coroutine-x86.c:37: +#define COROUTINE_SHADOW_STACK_SIZE^I4096$ WARNING: line over 80 characters #194: FILE: util/coroutine-x86.c:81: + * We hardcode all operands to specific registers so that we can write down all the WARNING: line over 80 characters #195: FILE: util/coroutine-x86.c:82: + * others in the clobber list. Note that action also needs to be hardcoded so that WARNING: line over 80 characters #200: FILE: util/coroutine-x86.c:87: + * Note that push and call would clobber the red zone. Makefile.objs compiles this WARNING: line over 80 characters #201: FILE: util/coroutine-x86.c:88: + * file with -mno-red-zone. The alternative is to subtract/add 128 bytes from rsp WARNING: line over 80 characters #204: FILE: util/coroutine-x86.c:91: +#define CO_SWITCH(from, to, action, jump) ({ \ WARNING: line over 80 characters #205: FILE: util/coroutine-x86.c:92: + int action_ = action; \ WARNING: line over 80 characters #206: FILE: util/coroutine-x86.c:93: + void *from_ = from; \ WARNING: line over 80 characters #207: FILE: util/coroutine-x86.c:94: + void *to_ = to; \ WARNING: line over 80 characters #208: FILE: util/coroutine-x86.c:95: + asm volatile( \ WARNING: line over 80 characters #209: FILE: util/coroutine-x86.c:96: + ".cfi_remember_state\n" \ WARNING: line over 80 characters #210: FILE: util/coroutine-x86.c:97: + "pushq %%rbp\n" /* save frame register on source stack */ \ WARNING: Block comments use a leading /* on a separate line #210: FILE: util/coroutine-x86.c:97: + "pushq %%rbp\n" /* save frame register on source stack */ \ WARNING: line over 80 characters #211: FILE: util/coroutine-x86.c:98: + ".cfi_adjust_cfa_offset 8\n" \ WARNING: line over 80 characters #212: FILE: util/coroutine-x86.c:99: + ".cfi_rel_offset %%rbp, 0\n" \ WARNING: line over 80 characters #213: FILE: util/coroutine-x86.c:100: + "call 1f\n" /* switch continues at label 1 */ \ WARNING: Block comments use a leading /* on a separate line #213: FILE: util/coroutine-x86.c:100: + "call 1f\n" /* switch continues at label 1 */ \ WARNING: line over 80 characters #214: FILE: util/coroutine-x86.c:101: + "jmp 2f\n" /* switch back continues at label 2 */ \ WARNING: Block comments use a leading /* on a separate line #214: FILE: util/coroutine-x86.c:101: + "jmp 2f\n" /* switch back continues at label 2 */ \ WARNING: line over 80 characters #215: FILE: util/coroutine-x86.c:102: + \ WARNING: line over 80 characters #216: FILE: util/coroutine-x86.c:103: + "1: .cfi_adjust_cfa_offset 8\n" \ WARNING: line over 80 characters #217: FILE: util/coroutine-x86.c:104: + "movq %%rsp, %c[SP](%[FROM])\n" /* save source SP */ \ WARNING: Block comments use a leading /* on a separate line #217: FILE: util/coroutine-x86.c:104: + "movq %%rsp, %c[SP](%[FROM])\n" /* save source SP */ \ WARNING: line over 80 characters #218: FILE: util/coroutine-x86.c:105: + "movq %c[SP](%[TO]), %%rsp\n" /* load destination SP */ \ WARNING: Block comments use a leading /* on a separate line #218: FILE: util/coroutine-x86.c:105: + "movq %c[SP](%[TO]), %%rsp\n" /* load destination SP */ \ WARNING: line over 80 characters #219: FILE: util/coroutine-x86.c:106: + jump "\n" /* coroutine switch */ \ WARNING: Block comments use a leading /* on a separate line #219: FILE: util/coroutine-x86.c:106: + jump "\n" /* coroutine switch */ \ WARNING: line over 80 characters #220: FILE: util/coroutine-x86.c:107: + \ WARNING: line over 80 characters #221: FILE: util/coroutine-x86.c:108: + "2: .cfi_adjust_cfa_offset -8\n" \ WARNING: line over 80 characters #222: FILE: util/coroutine-x86.c:109: + "popq %%rbp\n" \ WARNING: line over 80 characters #223: FILE: util/coroutine-x86.c:110: + ".cfi_adjust_cfa_offset -8\n" \ WARNING: line over 80 characters #224: FILE: util/coroutine-x86.c:111: + ".cfi_restore_state\n" \ WARNING: line over 80 characters #225: FILE: util/coroutine-x86.c:112: + : "+a" (action_), [FROM] "+b" (from_), [TO] "+D" (to_) \ WARNING: line over 80 characters #226: FILE: util/coroutine-x86.c:113: + : [SP] "i" (offsetof(CoroutineX86, sp)) \ WARNING: line over 80 characters #227: FILE: util/coroutine-x86.c:114: + : "rcx", "rdx", "rsi", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ WARNING: line over 80 characters #228: FILE: util/coroutine-x86.c:115: + "memory"); \ WARNING: line over 80 characters #229: FILE: util/coroutine-x86.c:116: + action_; \ WARNING: line over 80 characters #258: FILE: util/coroutine-x86.c:145: + /* Immediately enter the coroutine once to pass it its address as the argument */ WARNING: architecture specific defines should be avoided #269: FILE: util/coroutine-x86.c:156: +#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && !defined(__clang__) WARNING: architecture specific defines should be avoided #278: FILE: util/coroutine-x86.c:165: +#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && !defined(__clang__) total: 1 errors, 41 warnings, 287 lines checked Patch 2/7 has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. 3/7 Checking commit 3d024eed3b55 (configure: add CET support) 4/7 Checking commit 0dcf5666a8ea (tcg: add tcg_out_start) 5/7 Checking commit 557440b557ed (tcg/i386: add support for IBT) WARNING: architecture specific defines should be avoided #72: FILE: tcg/i386/tcg-target.inc.c:813: +#if defined __CET__ && (__CET__ & 1) WARNING: architecture specific defines should be avoided #73: FILE: tcg/i386/tcg-target.inc.c:814: +#ifdef __x86_64__ total: 0 errors, 2 warnings, 75 lines checked Patch 5/7 has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. 6/7 Checking commit d6b4a66daef9 (linux-user: add IBT support to x86 safe-syscall.S) 7/7 Checking commit 02c0a893987a (coroutine-x86: add CET shadow stack support) ERROR: externs should be avoided in .c files #63: FILE: util/coroutine-x86.c:30: +int arch_prctl(int code, unsigned long addr); WARNING: line over 80 characters #122: FILE: util/coroutine-x86.c:129: + * The RSTORSSP and SAVEPREVSSP instructions are intricate. In a nutshell they are: WARNING: line over 80 characters #129: FILE: util/coroutine-x86.c:136: + * *(oldSSP - 8) = oldSSP # "push" to old shadow stack WARNING: line over 80 characters #138: FILE: util/coroutine-x86.c:145: + * the RSTORSSP+SAVEPREVSSP sequence, points to the top actual entry of the shadow WARNING: line over 80 characters #149: FILE: util/coroutine-x86.c:162: + "xor %%rbp, %%rbp\n" /* use old frame pointer as scratch reg */ \ WARNING: Block comments use a leading /* on a separate line #149: FILE: util/coroutine-x86.c:162: + "xor %%rbp, %%rbp\n" /* use old frame pointer as scratch reg */ \ WARNING: line over 80 characters #150: FILE: util/coroutine-x86.c:163: + "rdsspq %%rbp\n" \ WARNING: line over 80 characters #151: FILE: util/coroutine-x86.c:164: + "test %%rbp, %%rbp\n" /* if CET is on... */ \ WARNING: Block comments use a leading /* on a separate line #151: FILE: util/coroutine-x86.c:164: + "test %%rbp, %%rbp\n" /* if CET is on... */ \ WARNING: line over 80 characters #152: FILE: util/coroutine-x86.c:165: + "jz 9f\n" \ WARNING: line over 80 characters #153: FILE: util/coroutine-x86.c:166: + "movq %%rbp, %c[SSP](%[FROM])\n" /* ... save source shadow SP, */ \ WARNING: Block comments use a leading /* on a separate line #153: FILE: util/coroutine-x86.c:166: + "movq %%rbp, %c[SSP](%[FROM])\n" /* ... save source shadow SP, */ \ WARNING: line over 80 characters #154: FILE: util/coroutine-x86.c:167: + "movq %c[SSP](%[TO]), %%rbp\n" /* restore destination shadow stack, */ \ WARNING: Block comments use a leading /* on a separate line #154: FILE: util/coroutine-x86.c:167: + "movq %c[SSP](%[TO]), %%rbp\n" /* restore destination shadow stack, */ \ WARNING: line over 80 characters #155: FILE: util/coroutine-x86.c:168: + "rstorssp -8(%%rbp)\n" \ WARNING: line over 80 characters #156: FILE: util/coroutine-x86.c:169: + "saveprevssp\n" /* and save source shadow SP token */ \ WARNING: Block comments use a leading /* on a separate line #156: FILE: util/coroutine-x86.c:169: + "saveprevssp\n" /* and save source shadow SP token */ \ WARNING: line over 80 characters #157: FILE: util/coroutine-x86.c:170: + "9: movq %%rsp, %c[SP](%[FROM])\n" /* save source SP */ \ WARNING: Block comments use a leading /* on a separate line #157: FILE: util/coroutine-x86.c:170: + "9: movq %%rsp, %c[SP](%[FROM])\n" /* save source SP */ \ WARNING: line over 80 characters #166: FILE: util/coroutine-x86.c:179: + : [SP] "i" (offsetof(CoroutineX86, sp)), \ WARNING: line over 80 characters #167: FILE: util/coroutine-x86.c:180: + [SSP] "i" (offsetof(CoroutineX86, ssp)) \ total: 1 errors, 20 warnings, 159 lines checked Patch 7/7 has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. === OUTPUT END === Test command exited with code: 1 The full log is available at http://patchew.org/logs/20190313124042.12855-1-pbonz...@redhat.com/testing.checkpatch/?type=message. --- Email generated automatically by Patchew [http://patchew.org/]. Please send your feedback to patchew-de...@redhat.com