Date:   Sat, 17 Oct 2020 13:11:11 +0200
From:   Salvatore Bonaccorso <carnil@...ian.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Guenter Roeck <linux@...ck-us.net>, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        shuah@...nel.org, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        pavel@...x.de, stable@...r.kernel.org
Subject: Re: [PATCH 4.19 00/21] 4.19.152-rc1 review

Hi,

On Sat, Oct 17, 2020 at 11:49:43AM +0200, Greg Kroah-Hartman wrote:
> On Sat, Oct 17, 2020 at 11:41:53AM +0200, Salvatore Bonaccorso wrote:
> > hi,
> > 
> > On Fri, Oct 16, 2020 at 12:01:51PM -0700, Guenter Roeck wrote:
> > > On Fri, Oct 16, 2020 at 11:07:19AM +0200, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 4.19.152 release.
> > > > There are 21 patches in this series, all will be posted as a response
> > > > to this one.  If anyone has any issues with these being applied, please
> > > > let me know.
> > > > 
> > > > Responses should be made by Sun, 18 Oct 2020 09:04:25 +0000.
> > > > Anything received after that time might be too late.
> > > > 
> > > 
> > > Build results:
> > > 	total: 155 pass: 153 fail: 2
> > > Failed builds:
> > > 	i386:tools/perf
> > > 	x86_64:tools/perf
> > 
> > I'm seeing the tools/perf failure as well:
> > 
> >   gcc -Wp,-MD,/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/util/intel-pt-decoder/.intel-pt-insn-decoder.o.d -Wp,-MT,/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.o -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wall -Wdate-time -D_FORTIFY_SOURCE=2 -I/home/build/linux-4.19.152/tools/perf -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf -isystem /home/build/linux-4.19.152/debian/build/build-tools/include -Wbad-function-cast -Wdeclaration-after-statement -Wformat-security -Wformat-y2k -Winit-self -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wno-system-headers -Wold-style-definition -Wpacked -Wredundant-decls -Wshadow -Wstrict-prototypes -Wswitch-default -Wswitch-enum -Wundef -Wwrite-strings -Wformat -Wstrict-aliasing=3 -DHAVE_ARCH_X86_64_SUPPORT -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/arch/x86/include/generated -DHAVE_SYSCALL_TABLE_SUPPORT -DHAVE_PERF_REGS_SUPPORT -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET -O6 -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 -fstack-protector-all -D_FORTIFY_SOURCE=2 -I/home/build/linux-4.19.152/tools/perf/util/include -I/home/build/linux-4.19.152/tools/perf/arch/x86/include -I/home/build/linux-4.19.152/tools/include/uapi -I/home/build/linux-4.19.152/tools/include/ -I/home/build/linux-4.19.152/tools/arch/x86/include/uapi -I/home/build/linux-4.19.152/tools/arch/x86/include/ -I/home/build/linux-4.19.152/tools/arch/x86/ -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf//util -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/ -I/home/build/linux-4.19.152/tools/perf/util -I/home/build/linux-4.19.152/tools/perf -I/home/build/linux-4.19.152/tools/lib/ -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP -DHAVE_PTHREAD_BARRIER -DHAVE_DWARF_GETLOCATIONS_SUPPORT -DHAVE_GLIBC_SUPPORT -DHAVE_SCHED_GETCPU_SUPPORT -DHAVE_SETNS_SUPPORT -DHAVE_CSTRACE_SUPPORT -DHAVE_LIBELF_SUPPORT -DHAVE_LIBELF_MMAP_SUPPORT -DHAVE_ELF_GETPHDRNUM_SUPPORT -DHAVE_GELF_GETNOTE_SUPPORT -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT -DHAVE_DWARF_SUPPORT -DHAVE_LIBBPF_SUPPORT -DHAVE_BPF_PROLOGUE -DHAVE_JITDUMP -DHAVE_DWARF_UNWIND_SUPPORT -DNO_LIBUNWIND_DEBUG_FRAME -DHAVE_LIBUNWIND_SUPPORT -I/usr/include/slang -DHAVE_SLANG_SUPPORT -DHAVE_LIBPERL_SUPPORT -DHAVE_TIMERFD_SUPPORT -DHAVE_LIBPYTHON_SUPPORT -DHAVE_CPLUS_DEMANGLE_SUPPORT -DHAVE_ZLIB_SUPPORT -DHAVE_LZMA_SUPPORT -DHAVE_BACKTRACE_SUPPORT -DHAVE_LIBNUMA_SUPPORT -DHAVE_KVM_STAT_SUPPORT -DHAVE_PERF_READ_VDSO32 -DHAVE_PERF_READ_VDSOX32 -DHAVE_LIBBABELTRACE_SUPPORT -DHAVE_AUXTRACE_SUPPORT -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/ -D"BUILD_STR(s)=#s" -I/home/build/linux-4.19.152/debian/build/build-tools/tools/perf/util/intel-pt-decoder -c -o /home/build/linux-4.19.152/debian/build/build-tools/tools/perf/util/intel-pt-decoder/intel-pt-insn-decoder.o util/intel-pt-decoder/intel-pt-insn-decoder.c
> > util/cs-etm-decoder/cs-etm-decoder.c: In function 'cs_etm_decoder__buffer_packet':
> > util/cs-etm-decoder/cs-etm-decoder.c:287:24: error: 'traceid_list' undeclared (first use in this function); did you mean 'trace_event'?
> >   inode = intlist__find(traceid_list, trace_chan_id);
> >                         ^~~~~~~~~~~~
> >                         trace_event
> > util/cs-etm-decoder/cs-etm-decoder.c:287:24: note: each undeclared identifier is reported only once for each function it appears in
> > make[8]: *** [/home/build/linux-4.19.152/tools/build/Makefile.build:97: /home/build/linux-4.19.152/debian/build/build-tools/tools/perf/util/cs-etm-decoder/cs-etm-decoder.o] Error 1
> > make[8]: Leaving directory '/home/build/linux-4.19.152/tools/perf'
> > make[7]: *** [/home/build/linux-4.19.152/tools/build/Makefile.build:139: cs-etm-decoder] Error 2
> 
> Yeah, it's a mess, and I tried to unwind it, but it was not a simple
> fix.
> 
> If people still care about building perf on 4.19 with newer gcc
> releases, I'll gladly take backports of the needed patches for this.

Ack! For the build of 4.19.152 in Debian we will for now just revert
"perf cs-etm: Move definition of 'traceid_list' global variable from
header file" again.

Regards,
Salvatore

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