On Wed, Mar 10, 2021 at 10:47 PM Nicolas Pitre wrote:
...
> > With CONFIG_TRIM_UNUSED_KSYMS=y I see a 3x-loops of building .version
> > and folowing steps - got no answer if this is intended.
>
> Yes it is intended. I explained it here:
>
> https://lkml.org/lkml/2021/3/9/1099
>
Ah, cool.
Thanks f
On Fri, Mar 5, 2021 at 8:54 PM Sedat Dilek wrote:
>
> On Fri, Mar 5, 2021 at 8:47 PM Alan Stern wrote:
> >
> > On Fri, Mar 05, 2021 at 08:41:40PM +0100, Sedat Dilek wrote:
> > > On Fri, Mar 5, 2021 at 8:30 PM Alan Stern
> > > wrote:
> >
> > >
On Mon, Mar 1, 2021 at 10:34 PM Linus Torvalds
wrote:
>
> On Mon, Mar 1, 2021 at 12:35 AM Sedat Dilek wrote:
> >
> > I wondered why there was approx. for 6 days no commits and got an
> > answer from an LWN posting "5.12 Merge window delayed".
> > Unsure, i
On Sat, Mar 6, 2021 at 5:58 PM Alan Stern wrote:
>
> On Sat, Mar 06, 2021 at 07:42:30AM +0100, Sedat Dilek wrote:
> > No, with Debian-Kernel 5.10.19-1 there are no xhci-resets:
>
> Is the kernel the only thing that is different? The rest of the
> operating system and envir
On Sat, Mar 6, 2021 at 8:48 PM Hugh Dickins wrote:
>
> There is no iwl_so_trans_cfg if CONFIG_IWLDVM but not CONFIG_IWLMVM:
> move the CONFIG_IWLMVM guard up before the problematic SnJ workaround
> to fix the build breakage.
>
> Fixes: 930be4e76f26 ("iwlwifi: add support for SnJ with Jf devices")
On Sat, Mar 6, 2021 at 8:50 PM Hugh Dickins wrote:
>
> No time_point op has been provided for DVM: check for NULL before
> calling, to fix the oops (blank screen booting non-modular kernel).
>
> Fixes: d01293154c0a ("iwlwifi: dbg: add op_mode callback for collecting debug
> data.")
> Signed-off-b
On Sat, Mar 6, 2021 at 9:27 PM Hugh Dickins wrote:
>
> On Sat, 6 Mar 2021, Sedat Dilek wrote:
> > On Sat, Mar 6, 2021 at 8:48 PM Hugh Dickins wrote:
> > >
> > > There is no iwl_so_trans_cfg if CONFIG_IWLDVM but not CONFIG_IWLMVM:
> > > move the CONFIG_IWL
On Sat, Mar 6, 2021 at 9:26 PM Sedat Dilek wrote:
>
> On Sat, Mar 6, 2021 at 5:58 PM Alan Stern wrote:
> >
> > On Sat, Mar 06, 2021 at 07:42:30AM +0100, Sedat Dilek wrote:
> > > No, with Debian-Kernel 5.10.19-1 there are no xhci-resets:
> >
> > Is the
On Sat, Mar 6, 2021 at 9:38 PM Sedat Dilek wrote:
>
> On Sat, Mar 6, 2021 at 9:26 PM Sedat Dilek wrote:
> >
> > On Sat, Mar 6, 2021 at 5:58 PM Alan Stern wrote:
> > >
> > > On Sat, Mar 06, 2021 at 07:42:30AM +0100, Sedat Dilek wrote:
> > > > No
On Sat, Mar 6, 2021 at 9:49 PM Sedat Dilek wrote:
>
> On Sat, Mar 6, 2021 at 9:38 PM Sedat Dilek wrote:
> >
> > On Sat, Mar 6, 2021 at 9:26 PM Sedat Dilek wrote:
> > >
> > > On Sat, Mar 6, 2021 at 5:58 PM Alan Stern
> > > wrote:
> > > >
On Sat, Mar 6, 2021 at 9:56 PM Sedat Dilek wrote:
>
> On Sat, Mar 6, 2021 at 9:49 PM Sedat Dilek wrote:
> >
> > On Sat, Mar 6, 2021 at 9:38 PM Sedat Dilek wrote:
> > >
> > > On Sat, Mar 6, 2021 at 9:26 PM Sedat Dilek wrote:
> > > >
&
On Sun, Mar 7, 2021 at 4:46 PM Alan Stern wrote:
>
> On Sat, Mar 06, 2021 at 09:49:00PM +0100, Sedat Dilek wrote:
>
> > For testing purposes, I stopped these systemd services:
> >
> > 1. systemctl stop smartmontools.service
> >
> > 2. systemctl stop udisk
t; tag with commit hash-id of
"kbuild: check the minimum compiler version in Kconfig" - this missed
that move.
Maybe Masahiro does a respin and can fold this into above commit?
That's not my decision.
Reviewed-by: Sedat Dilek
- Sedat -
[1]
https://git.kernel.org/pub/scm
On Thu, Jan 21, 2021 at 5:16 PM Nathan Chancellor
wrote:
>
> On Thu, Jan 21, 2021 at 05:01:15PM +0100, Lukas Bulwahn wrote:
> > Commit 6c8ad4427f6e ("kbuild: check the minimum compiler version in
> > Kconfig") removed ./scripts/clang-version.sh and moved its content to
> > ./scripts/cc-version.sh.
On Thu, Jan 21, 2021 at 10:29 PM Josh Poimboeuf wrote:
>
> v2:
> - fix commit description for why xen hypervisor page contents don't
> matter [Juergen]
> - annotate indirect jumps as safe instead of converting them to
> retpolines [Andrew, Juergen]
> - drop patch 1 - fake jumps no longer exist
On Thu, Jan 21, 2021 at 3:03 AM Sedat Dilek wrote:
>
> On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
> >
> > On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> > >
> > > On Mon, Jan 18, 2021 at 1:39 PM Sedat Dilek wrote:
> > > >
>
On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
wrote:
>
> On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> >
> > On Sat, Jan 16, 2021 at 10:54:04AM +0100, Sedat Dilek wrote:
> > > When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool.
> &g
On Thu, Jan 21, 2021 at 9:25 AM 'Bill Wendling' via Clang Built Linux
wrote:
>
> From: Sami Tolvanen
>
> Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> profile, the kernel is instrumented with PGO counters, a representative
> workload is run, and the raw profile data is
On Fri, Jan 22, 2021 at 1:12 AM Sedat Dilek wrote:
>
> On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
> wrote:
> >
> > On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> > >
> > > On Sat, Jan 16, 2021 at 10:54:04AM +0100, Sedat Dilek wrote:
> > >
On Fri, Jan 22, 2021 at 1:21 AM Sedat Dilek wrote:
>
> On Fri, Jan 22, 2021 at 1:12 AM Sedat Dilek wrote:
> >
> > On Fri, Jan 22, 2021 at 1:04 AM Andrii Nakryiko
> > wrote:
> > >
> > > On Wed, Jan 20, 2021 at 2:36 PM Jiri Olsa wrote:
> > >
Linux v5.11-rc4.
I hope to get some feedback from especially Linux-bpf folks.
Acked-by: Jiri Olsa # tools/build and tools/perf
Signed-off-by: Sedat Dilek
---
Changelog RFC v1->v2:
- Add Jiri's ACK
- Adapt to fit Linux v5.11-rc4
tools/bpf/bpftool/Makefile | 2 --
tools
On Fri, Jan 22, 2021 at 1:14 AM Sedat Dilek wrote:
>
> On Thu, Jan 21, 2021 at 9:25 AM 'Bill Wendling' via Clang Built Linux
> wrote:
> >
> > From: Sami Tolvanen
> >
> > Enable the use of clang's Profile-Guided Optimization[1]. To generate a
On Fri, Jan 22, 2021 at 2:34 AM Nick Desaulniers
wrote:
>
> On Wed, Jan 20, 2021 at 6:21 PM Sedat Dilek wrote:
> >
> > Hi,
> >
> > When I looked through the code I wondered why we do not add a
> > "CONFIG_PGO_CLANG_PROFDATA" which can be
On Fri, Jan 22, 2021 at 2:43 AM Nick Desaulniers
wrote:
>
> On Wed, Jan 20, 2021 at 6:03 PM Sedat Dilek wrote:
> >
> > On Mon, Jan 18, 2021 at 10:56 PM Bill Wendling wrote:
> > >
> > > On Mon, Jan 18, 2021 at 9:26 AM Sedat Dilek wrote:
> > > &g
On Fri, Jan 22, 2021 at 2:44 AM Nick Desaulniers
wrote:
>
> On Thu, Jan 21, 2021 at 2:35 AM Sedat Dilek wrote:
> >
> > Thanks for v6.
> >
> > Small Changelog nits:
> > * Can you reverse-order the changelog - latest v6 first.
> > * v4: s/Makfile c
ing our
> own popcount implementation, based on Nick Desaulniers's comment.
> v5: - Correct padding calculation, discovered by Nathan Chancellor.
> v6: - Add better documentation about the locking scheme and other things.
> - Rename macros to better match the same macr
On Fri, Feb 5, 2021 at 9:22 PM Nick Desaulniers wrote:
>
> DWARF v5 is the latest standard of the DWARF debug info format.
>
> DWARF5 wins significantly in terms of size and especially so when mixed
> with compression (CONFIG_DEBUG_INFO_COMPRESSED).
>
> Link: http://www.dwarfstd.org/doc/DWARF5.pdf
On Fri, Feb 5, 2021 at 10:10 PM Nick Desaulniers
wrote:
>
> > Hi,
> >
> > when building with pahole v1.20 and binutils v2.35.2 plus Clang
> > v12.0.0-rc1 and DWARF-v5 I see:
> > ...
> > + info BTF .btf.vmlinux.bin.o
> > + [ != silent_ ]
> > + printf %-7s %s\n BTF .btf.vmlinux.bin.o
> > BTF
On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
>
> Hi,
>
> when building with pahole v1.20 and binutils v2.35.2 plus Clang
> v12.0.0-rc1 and DWARF-v5 I see:
> ...
> + info BTF .btf.vmlinux.bin.o
> + [ != silent_ ]
> + printf %-7s %s\n BTF .btf.vmlinux.bin.o
&g
On Fri, Feb 5, 2021 at 10:40 PM Nick Desaulniers
wrote:
>
> On Fri, Feb 5, 2021 at 1:17 PM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 10:10 PM Nick Desaulniers
> > wrote:
> > >
> > > > Hi,
> > > >
> > > > when building
On Fri, Feb 5, 2021 at 4:28 PM Arnaldo Carvalho de Melo
wrote:
>
> Em Fri, Feb 05, 2021 at 04:23:59PM +0100, Sedat Dilek escreveu:
> > On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
> >
On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote:
> >
> > Hi,
> >
> > when building with pahole v1.20 and binutils v2.35.2 plus Clang
> > v12.0.0-rc1 and DWARF-v5 I see:
> > ...
> > +
On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 12:31 PM, Sedat Dilek wrote:
> > On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/5/21 11:24 AM, Arnaldo Carvalho de Melo wrote:
> &g
On Sat, Feb 6, 2021 at 2:49 AM Masahiro Yamada wrote:
>
> On Sat, Feb 6, 2021 at 7:01 AM 'Nick Desaulniers' via Clang Built
> Linux wrote:
> >
> > I noticed we're invoking $(CC) via $(shell) more than once to check the
> > version. Let's reuse the first string captured in $CC_VERSION_TEXT.
> >
>
On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
>
> On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> >
> >
> >
> > On 2/5/21 12:31 PM, Sedat Dilek wrote:
> > > On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
> > >>
> > >
On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> > >
> > >
> > >
> > > On 2/5/21 12:31 PM, Sedat Dilek wrote:
>
On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> > >
> > > On Fri, Feb 5, 2021 at 10:54 PM Yonghong Song wrote:
> > > >
> &g
On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 6:44 AM Sedat Dilek wrote:
> > >
> > > On Sat, Feb 6, 2021 at 4:34 AM Sedat Dilek wrote:
> > > >
> > &g
On Wed, Jan 27, 2021 at 7:48 AM Sedat Dilek wrote:
>
> On Wed, Jan 27, 2021 at 6:07 AM Lukas Bulwahn wrote:
> >
> > On Tue, Jan 26, 2021 at 10:27 PM Nathan Chancellor
> > wrote:
> > >
> > > Use my @kernel.org for all points of contact so that I am a
On Fri, Feb 5, 2021 at 9:03 PM Yonghong Song wrote:
>
>
>
> On 2/5/21 11:24 AM, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Feb 05, 2021 at 11:10:08AM -0800, Yonghong Song escreveu:
> >> On 2/5/21 11:06 AM, Sedat Dilek wrote:
> >>> On Fri, Feb 5, 2021 at 7:5
On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
>
>
>
> On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
> >>
> >> On Sat, Feb 6, 2021 at 6:53 AM Sedat Dilek wrote:
> >>>
> >>> On Sat,
On Sat, Feb 6, 2021 at 9:32 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
> >
> >
> >
> > On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > > On Sat, Feb 6, 2021 at 7:26 AM Sedat Dilek wrote:
> > >>
>
On Sat, Feb 6, 2021 at 10:32 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 9:32 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
> > >
> > >
> > >
> > > On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > &g
On Sat, Feb 6, 2021 at 10:32 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 9:32 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
> > >
> > >
> > >
> > > On 2/5/21 10:52 PM, Sedat Dilek wrote:
> > &g
On Sat, Feb 6, 2021 at 10:48 AM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 10:32 AM Sedat Dilek wrote:
> >
> > On Sat, Feb 6, 2021 at 9:32 AM Sedat Dilek wrote:
> > >
> > > On Sat, Feb 6, 2021 at 9:27 AM Yonghong Song wrote:
> > > >
> &g
[ SNIP ]
> > > > > Please help do a test. I can submit a formal patch tomorrow.
> > > >
> > > > Thanks for the patch.
> > > >
> > > > Can you attach the diff as Gmail has totally truncated/malformed it?
> > > >
> > > > For the Linux breakage - you will need some additional Clang specific
> > > >
On Sat, Feb 6, 2021 at 1:05 PM Masahiro Yamada wrote:
>
> On Sat, Feb 6, 2021 at 6:00 AM Sedat Dilek wrote:
> >
> > On Fri, Feb 5, 2021 at 9:22 PM Nick Desaulniers
> > wrote:
> > >
> > > DWARF v5 is the latest standard of the DWARF debug info format
Some post-mortem:
LLVM_DWARF_BIN="/opt/llvm-toolchain/bin/llvm-dwarfdump"
module="drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko"
Module has DW_ATE_unsigned_160 and DW_ATE_unsigned_1:
$LLVM_DWARF_BIN $module | grep DW_AT_name | grep DW_ATE_ | sort -u
DW_AT_name ("DW_AT
On Sat, Feb 6, 2021 at 6:53 PM Yonghong Song wrote:
>
>
>
> On 2/6/21 8:24 AM, Mark Wieelard wrote:
> > Hi,
> >
> > On Sat, Feb 06, 2021 at 12:26:44AM -0800, Yonghong Song wrote:
> >> With the above vmlinux, the issue appears to be handling
> >> DW_ATE_signed_1, DW_ATE_unsigned_{1,24,40}.
> >>
> >
On Sat, Feb 6, 2021 at 8:17 PM Yonghong Song wrote:
>
>
>
> On 2/6/21 10:10 AM, Sedat Dilek wrote:
> > On Sat, Feb 6, 2021 at 6:53 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/6/21 8:24 AM, Mark Wieelard wrote:
> >>> Hi,
&
On Sat, Feb 6, 2021 at 8:22 PM Sedat Dilek wrote:
>
> On Sat, Feb 6, 2021 at 8:17 PM Yonghong Song wrote:
> >
> >
> >
> > On 2/6/21 10:10 AM, Sedat Dilek wrote:
> > > On Sat, Feb 6, 2021 at 6:53 PM Yonghong Song wrote:
> > >>
> >
On Sat, Feb 6, 2021 at 8:33 PM Yonghong Song wrote:
>
>
>
> On 2/6/21 11:28 AM, Sedat Dilek wrote:
> > On Sat, Feb 6, 2021 at 8:22 PM Sedat Dilek wrote:
> >>
> >> On Sat, Feb 6, 2021 at 8:17 PM Yonghong Song wrote:
> >>>
> >>>
>
On Sat, Feb 6, 2021 at 9:13 PM Yonghong Song wrote:
>
>
>
> On 2/6/21 11:44 AM, Sedat Dilek wrote:
> > On Sat, Feb 6, 2021 at 8:33 PM Yonghong Song wrote:
> >>
> >>
> >>
> >> On 2/6/21 11:28 AM, Sedat Dilek wrote:
> >>> On Sat, Fe
Hi,
congrats to Linux v5.11-rc7.
after commit 6342adcaa683 ("entry: Ensure trap after single-step on
system call return"):
$ git grep '\_TIF_SINGLESTEP' arch/x86/
arch/x86/include/asm/thread_info.h:#define _TIF_SINGLESTEP
(1 << TIF_SINGLESTEP)
Is this a leftover and can be removed (now)?
Than
On Mon, Feb 8, 2021 at 12:27 AM Bhaskar Chowdhury wrote:
>
> On 00:08 Mon 08 Feb 2021, Sedat Dilek wrote:
> >Hi,
> >
> >congrats to Linux v5.11-rc7.
> >
> >after commit 6342adcaa683 ("entry: Ensure trap after single-step on
> >system call return&q
On Mon, Feb 8, 2021 at 12:25 AM Kyle Huey wrote:
>
> On Sun, Feb 7, 2021 at 3:09 PM Sedat Dilek wrote:
> >
> > Hi,
> >
> > congrats to Linux v5.11-rc7.
> >
> > after commit 6342adcaa683 ("entry: Ensure trap after single-step on
> > system call
On Thu, Feb 4, 2021 at 11:07 PM Arnaldo Carvalho de Melo
wrote:
>
> Hi,
>
> The v1.20 release of pahole and its friends is out, mostly
> addressing problems related to gcc 11 defaulting to DWARF5 for -g,
> available at the usual places:
>
> Main git repo:
>
>git://git.kernel.org/pub/sc
On Mon, Feb 8, 2021 at 1:32 PM Arnaldo Carvalho de Melo
wrote:
>
> Em Mon, Feb 08, 2021 at 03:44:54AM +0100, Sedat Dilek escreveu:
> > On Thu, Feb 4, 2021 at 11:07 PM Arnaldo Carvalho de Melo
> > wrote:
> > >
> > > Hi,
> > >
> > >
On Wed, Jan 27, 2021 at 6:07 AM Lukas Bulwahn wrote:
>
> On Tue, Jan 26, 2021 at 10:27 PM Nathan Chancellor wrote:
> >
> > Use my @kernel.org for all points of contact so that I am always
> > accessible.
> >
> > Signed-off-by: Nathan Chancellor
>
> Congrats, Nathan. You deserve it for all the wa
On Fri, Jan 1, 2021 at 5:14 PM Pavel Machek wrote:
>
> Hi!
> > >
> > > > $ dpkg -L kmod | grep bin | grep depmod
> > > > /sbin/depmod
> > > >
> > > > $ which depmod
> > > > [ empty ]
> > > >
> > > > $ echo $PATH
> > > > /opt/proxychains-ng/bin:/home/dileks/bin:/usr/local/bin:/usr/bin:/bin:/usr/loc
On Fri, Jan 1, 2021 at 7:55 PM Sedat Dilek wrote:
>
> On Fri, Jan 1, 2021 at 5:14 PM Pavel Machek wrote:
> >
> > Hi!
> > > >
> > > > > $ dpkg -L kmod | grep bin | grep depmod
> > > > > /sbin/depmod
> > > > >
&g
On Sat, Jan 2, 2021 at 8:52 AM Masahiro Yamada wrote:
>
> On Sat, Jan 2, 2021 at 3:55 AM Sedat Dilek wrote:
> >
> > On Fri, Jan 1, 2021 at 5:14 PM Pavel Machek wrote:
> > >
> > > Hi!
> > > > >
> > > > >
On Sat, Jan 2, 2021 at 12:05 PM Bernd Petrovitsch
wrote:
>
> On Sat, 2021-01-02 at 10:13 +0100, Sedat Dilek wrote:
> [...]
> > To be honest I wondered why there were no more reports on this.
>
> Perhaps I'm not the only one who has /sbin and /usr/sbin in the
> $PAT
> > IMHO users should not need to fix their environment.
> > ( The discussion is a bit obsolete as we now have a fix. )
>
> FWIW, I have no (and don't see any) problems simply appending
> /sbin:/usr/sbin to the $PATH in/for the kernel's scripts.
>
Another workaround is to pass DEPMOD=/path/to/depm
On Mon, Jan 4, 2021 at 9:49 PM Nathan Chancellor
wrote:
>
> Commit eff8728fe698 ("vmlinux.lds.h: Add PGO and AutoFDO input
> sections") added ".text.unlikely.*" and ".text.hot.*" due to an LLVM
> change [1].
>
> After another LLVM change [2], these sections are seen in some PowerPC
> builds, where
On Fri, Jan 15, 2021 at 5:51 AM Sedat Dilek wrote:
>
> On Thu, Jan 14, 2021 at 8:40 PM Josh Poimboeuf wrote:
> >
> > Add support for proper vmlinux.o validation, which will be needed for
> > Sami's upcoming x86 LTO set. (And vmlinux validation is the future for
On Fri, Jan 15, 2021 at 4:30 PM Sedat Dilek wrote:
>
> On Fri, Jan 15, 2021 at 5:51 AM Sedat Dilek wrote:
> >
> > On Thu, Jan 14, 2021 at 8:40 PM Josh Poimboeuf wrote:
> > >
> > > Add support for proper vmlinux.o validation, which will be needed for
>
On Fri, Jan 15, 2021 at 8:52 PM Josh Poimboeuf wrote:
>
> On Thu, Jan 14, 2021 at 04:41:28PM -0800, Sami Tolvanen wrote:
> > Hi Josh,
> >
> > On Thu, Jan 14, 2021 at 11:40 AM Josh Poimboeuf wrote:
> > >
> > > Add support for proper vmlinux.o validation, which will be needed for
> > > Sami's upcom
On Fri, Jan 15, 2021 at 9:59 PM Josh Poimboeuf wrote:
>
> On Fri, Jan 15, 2021 at 09:19:16PM +0100, Sedat Dilek wrote:
> > > > vmlinux.o: warning: objtool: balance_leaf_when_delete()+0x17d4: stack
> > > > state mismatch: cfa1=7+192 cfa2=7+176
>
On Fri, Jan 15, 2021 at 10:06 PM Nick Desaulniers
wrote:
>
> Modifies CONFIG_DEBUG_INFO_DWARF4 to be a member of a choice. Adds an
> explicit CONFIG_DEBUG_INFO_DWARF2, which is the default. Does so in a
> way that's forward compatible with existing configs, and makes adding
> future versions more
bled for now if CONFIG_DEBUG_INFO_BTF is set; pahole doesn't yet
> recognize the new additions to the DWARF debug info. Thanks to Sedat for
> the report.
>
> Link: http://www.dwarfstd.org/doc/DWARF5.pdf
> Reported-by: Sedat Dilek
> Suggested-by: Arvind Sankar
> Sug
On Fri, Jan 15, 2021 at 10:06 PM Nick Desaulniers
wrote:
>
> From: Masahiro Yamada
>
> The -gdwarf-4 flag is supported by GCC 4.5+, and also by Clang.
>
> You can see it at https://godbolt.org/z/6ed1oW
>
> For gcc 4.5.3 pane,line 37:.value 0x4
> For clang 10.0.1 pane, line 117: .sho
ne of the above prevents the warning spew. Maybe we'll need a v6.
>
En plus, I encountered breakage with GCC v10.2.1 and LLVM=1 and
CONFIG_DEBUG_INFO_DWARF4.
So might be good to add a "depends on !DEBUG_INFO_BTF" in this combination.
I had some other small nits commented in t
On Fri, Jan 15, 2021 at 10:49 PM Nick Desaulniers
wrote:
>
> On Fri, Jan 15, 2021 at 1:46 PM Sedat Dilek wrote:
> >
> > On Fri, Jan 15, 2021 at 10:06 PM Nick Desaulniers
> > wrote:
> > >
> > > DWARF v5 is the latest standard of the DWARF debug inf
On Fri, Jan 15, 2021 at 11:00 PM Fangrui Song wrote:
>
> On 2021-01-15, Nick Desaulniers wrote:
> >From: Masahiro Yamada
> >
> >The -gdwarf-4 flag is supported by GCC 4.5+, and also by Clang.
> >
> >You can see it at https://godbolt.org/z/6ed1oW
> >
> > For gcc 4.5.3 pane,line 37:.value
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
On Sat, Jan 16, 2021 at 6:07 AM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
> wrote:
> >
> > > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > > wrote:
> > > >
> > > > On Wed, Jan 13, 2021 at 12:55 PM Nath
Linux v5.11-rc3.
I hope to get some feedback from especially Linux-bpf folks.
Signed-off-by: Sedat Dilek
---
tools/bpf/bpftool/Makefile | 2 --
tools/bpf/runqslower/Makefile | 3 ---
tools/build/feature/Makefile| 4 ++--
tools/perf/Makefile
On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
wrote:
>
> From: Sami Tolvanen
>
> Enable the use of clang's Profile-Guided Optimization[1]. To generate a
> profile, the kernel is instrumented with PGO counters, a representative
> workload is run, and the raw profile data i
On Sat, Jan 16, 2021 at 6:38 PM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> wrote:
> >
> > From: Sami Tolvanen
> >
> > Enable the use of clang's Profile-Guided Optimization[1]. To generate a
On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
>
> On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> > wrote:
> > >
> > > From: Sami Tolvanen
> > >
> &
On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
>
> On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> >
> > On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > > On Sat, Jan 16, 2021 at 10:44 AM 'Bill Wendling' via Clang Built Linux
> > &g
On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
> >
> > On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> > >
> > > On Sat, Jan 16, 2021 at 9:39 AM Sedat Dilek wrote:
> > > > On S
On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek wrote:
> > >
> > > On Sat, Jan 16, 2021 at 9:23 PM Bill Wendling wrote:
> > > >
>
On Sun, Jan 17, 2021 at 12:42 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 11:53 AM Sedat Dilek wrote:
> > >
> > > On Sun, Jan 17, 2021 at 11:44 AM Sedat Dilek
> > > wrote:
> &g
On Sun, Jan 17, 2021 at 1:05 PM Sedat Dilek wrote:
>
> On Sun, Jan 17, 2021 at 12:58 PM Sedat Dilek wrote:
> >
> > On Sun, Jan 17, 2021 at 12:42 PM Sedat Dilek wrote:
> > >
> > > On Sun, Jan 17, 2021 at 12:23 PM Sedat Dilek
> > > wrote:
> >
On Sat, Jan 16, 2021 at 1:13 AM Nick Desaulniers
wrote:
>
> > On Wed, Jan 13, 2021 at 8:07 PM Nick Desaulniers
> > wrote:
> > >
> > > On Wed, Jan 13, 2021 at 12:55 PM Nathan Chancellor
> > > wrote:
> > > >
> > > > However, I see an issue with actually using the data:
> > > >
> > > > $ sudo -s
>
On Sat, Jan 23, 2021 at 3:26 AM Josh Poimboeuf wrote:
>
> On Fri, Jan 22, 2021 at 05:32:43PM -0800, Nick Desaulniers wrote:
> > > In this specific case, find_func_by_offset returns NULL for
> > > .text..L.cfi.jumptable.43 at addend 0x8, because Clang doesn't emit
> > > jump table symbols for stati
On Fri, Jan 22, 2021 at 1:34 PM Dan Carpenter wrote:
>
> On Thu, Jan 21, 2021 at 05:15:56PM +0100, Sedat Dilek wrote:
> > On Thu, Jan 21, 2021 at 5:01 PM Lukas Bulwahn
> > wrote:
> > >
> > > Commit 6c8ad4427f6e ("kbuild: check the minimum compiler ver
On Sat, Jan 23, 2021 at 3:46 AM Josh Poimboeuf wrote:
>
> On Sat, Jan 23, 2021 at 03:31:20AM +0100, Sedat Dilek wrote:
> > On Sat, Jan 23, 2021 at 3:26 AM Josh Poimboeuf wrote:
> > >
> > > On Fri, Jan 22, 2021 at 05:32:43PM -0800, Nick Desaulniers wrote:
&
func
> diagnostic.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/1210
> Reported-by: Arnd Bergmann
> Signed-off-by: Fangrui Song
> Reviewed-by: Nick Desaulniers
> Reviewed-by: Nathan Chancellor
> Tested-by: Nick Desaulniers
> Tested-by: Nathan Chancellor
>
On Thu, Jan 28, 2021 at 2:27 AM Andrii Nakryiko
wrote:
>
> On Thu, Jan 21, 2021 at 4:32 PM Sedat Dilek wrote:
> >
> > When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool.
> >
> > While looking into the source code I found duplicate assignments
bpf-next.
CC: b...@vger.kernel.org
Acked-by: Andrii Nakryiko
Acked-by: Jiri Olsa # tools/build and tools/perf
Signed-off-by: Sedat Dilek
---
tools/bpf/bpftool/Makefile | 2 --
tools/bpf/runqslower/Makefile | 3 ---
tools/build/feature/Makefile
On Thu, Jan 28, 2021 at 2:41 AM Andrii Nakryiko
wrote:
>
> On Wed, Jan 27, 2021 at 5:30 PM Sedat Dilek wrote:
> >
> > On Thu, Jan 28, 2021 at 2:27 AM Andrii Nakryiko
> > wrote:
> > >
> > > On Thu, Jan 21, 2021 at 4:32 PM Sedat Dilek wrote:
> >
On Thu, Oct 31, 2013 at 8:40 AM, Stephen Rothwell wrote:
> Hi Greg,
>
> After merging the tty tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> drivers/tty/serial/omap-serial.c: In function 'serial_omap_probe':
> drivers/tty/serial/omap-serial.c:1724:22: error: expect
On Mon, Jan 20, 2014 at 4:51 AM, Stephen Rothwell wrote:
> On Sat, 18 Jan 2014 10:46:06 +0100 Mike Galbraith wrote:
>>
>> I hope it doesn't look quite like that, next-20140117 is -ENOBOOT on
>> Q6600 box. See below for an alternative.
>>
>> idle: kill unnecessary mwait_idle() resched IPIs
>
> OK
On Mon, Jan 20, 2014 at 9:42 AM, Sedat Dilek wrote:
> On Mon, Jan 20, 2014 at 4:51 AM, Stephen Rothwell
> wrote:
>> On Sat, 18 Jan 2014 10:46:06 +0100 Mike Galbraith
>> wrote:
>>>
>>> I hope it doesn't look quite like that, next-20140117 is -EN
On Mon, Jan 20, 2014 at 10:17 AM, Mike Galbraith wrote:
> On Mon, 2014-01-20 at 09:42 +0100, Sedat Dilek wrote:
>> On Mon, Jan 20, 2014 at 4:51 AM, Stephen Rothwell
>> wrote:
>> > On Sat, 18 Jan 2014 10:46:06 +0100 Mike Galbraith
>> > wrote:
>> >>
On Mon, Jan 20, 2014 at 2:10 PM, Stephen Rothwell wrote:
> Hi Sedat,
>
> On Mon, 20 Jan 2014 09:46:55 +0100 Sedat Dilek wrote:
>>
>> On Mon, Jan 20, 2014 at 9:42 AM, Sedat Dilek wrote:
>> > On Mon, Jan 20, 2014 at 4:51 AM, Stephen Rothwell
>> > wrote:
&
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