On 2016/11/02 02:23PM, Ravi Bangoria wrote:
> Add new selftest that test emulate_step for Normal, Floating Point,
> Vector and Vector Scalar - load/store instructions. Test should run
> at boot time if CONFIG_KPROBES_SANITY_TEST and CONFIG_PPC64 is set.
>
> Sample log:
>
> [0.762063] emulat
On 2016/10/10 01:24PM, Arnaldo Carvalho de Melo wrote:
> Em Mon, Oct 10, 2016 at 07:29:02PM +0530, Ravi Bangoria escreveu:
> > Move arch specific stuff from util/annotate.c to their respective
> > files in util/annotate directory.
> >
> > No functionality changes.
> >
> > Signed-off-by: Ravi Bang
On 2016/09/26 11:00AM, Daniel Borkmann wrote:
> On 09/26/2016 10:56 AM, Naveen N. Rao wrote:
> > On 2016/09/24 03:30AM, Alexei Starovoitov wrote:
> > > On Sat, Sep 24, 2016 at 12:33:54AM +0200, Daniel Borkmann wrote:
> > > > On 09/23/2016 10:35 PM, Naveen N. Rao wro
On 2016/09/24 03:30AM, Alexei Starovoitov wrote:
> On Sat, Sep 24, 2016 at 12:33:54AM +0200, Daniel Borkmann wrote:
> > On 09/23/2016 10:35 PM, Naveen N. Rao wrote:
> > >Tail calls allow JIT'ed eBPF programs to call into other JIT'ed eBPF
> > >programs. Th
seccomp_phase1() does not exist anymore. Instead, update sample to use
__seccomp_filter(). While at it, set max locked memory to unlimited.
Signed-off-by: Naveen N. Rao
---
I am not completely sure if __seccomp_filter is the right place to hook
in. This works for me though. Please review
These samples fail to compile as 'struct flow_keys' conflicts with
definition in net/flow_dissector.h. Fix the same by renaming the
structure used in the sample.
Signed-off-by: Naveen N. Rao
---
samples/bpf/sockex2_kern.c | 10 +-
samples/bpf/sockex3_kern.c | 8
s
2,r2,39131
6c: xoris r2,r2,48399
70: rotlwi r2,r2,0
74: mr r8,r2
78: rotlwi r8,r8,0
7c: ld r27,-40(r1)
80: ld r28,-32(r1)
84: mr r3,r8
88: blr
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit64.h | 9 +
arch/p
While at it, ensure that the location of the local save area is
consistent whether or not we setup our own stackframe. This property is
utilised in the next patch that adds support for tail calls.
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit64.h | 16 +---
arch/powerpc/net
t don't do tail
calls themselves, the first two instructions are NOPs.
Signed-off-by: Naveen N. Rao
---
arch/powerpc/include/asm/ppc-opcode.h | 2 +
arch/powerpc/net/bpf_jit.h| 2 +
arch/powerpc/net/bpf_jit64.h | 1 +
arch/powerpc/net/bpf_ji
On 2016/09/14 02:00PM, Arnaldo Carvalho de Melo wrote:
> Em Wed, Sep 14, 2016 at 10:04:28PM +0530, Naveen N. Rao escreveu:
> > On 2016/09/14 10:52AM, Arnaldo Carvalho de Melo wrote:
> > > And yeah, I'll try and cross-build audit-lib for my powerpc cross build
> > >
On 2016/09/14 10:52AM, Arnaldo Carvalho de Melo wrote:
> Em Wed, Sep 14, 2016 at 02:58:10PM +0530, Naveen N. Rao escreveu:
> > On 2016/09/12 06:15PM, Arnaldo Carvalho de Melo wrote:
> > > Em Mon, Sep 12, 2016 at 04:07:42PM -0300, Arnaldo Carvalho de Melo
> > > escrev
man.h for each archs, defines these missing
> macros for perf. For missing MADV_*, fall back to asm-generic/mman-common
> because they are in 'case ...' statement. For flags, define to 0.
This resolves the build issue on powerpc, thanks!
Tested-by: Naveen N. Rao
On 2016/09/14 06:23PM, Wang Nan wrote:
>
>
> On 2016/9/14 18:00, Naveen N. Rao wrote:
> > On 2016/09/14 05:36PM, Wang Nan wrote:
> > >
> > > On 2016/9/14 17:28, Naveen N. Rao wrote:
> > > > On 2016/09/12 06:15PM, Arnaldo Carvalho de Melo wrote:
>
On 2016/09/14 05:36PM, Wang Nan wrote:
>
>
> On 2016/9/14 17:28, Naveen N. Rao wrote:
> > On 2016/09/12 06:15PM, Arnaldo Carvalho de Melo wrote:
> > > Em Mon, Sep 12, 2016 at 04:07:42PM -0300, Arnaldo Carvalho de Melo
> > > escreveu:
> > > > Em Mo
On 2016/09/12 06:15PM, Arnaldo Carvalho de Melo wrote:
> Em Mon, Sep 12, 2016 at 04:07:42PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Sep 12, 2016 at 12:54:29PM +, Wang Nan escreveu:
> > > Some mmap related macros have different values for different
> > > architectures. This patch i
address
> to force probe on function entry.
>
> tools/perf/util/probe-finder.c | 164
> +
> 1 file changed, 164 insertions(+)
This fixes the uprobe issue reported by Michael Petlan:
https://www.mail-archive.com/linux-perf-users@vger.kernel.org/msg02348.html
Acked-by: Naveen N. Rao
On 2016/08/15 03:13PM, Wang Nan wrote:
>
>
> On 2016/8/13 9:55, Anton Blanchard wrote:
> > From: Anton Blanchard
> >
> > Commit 73cdf0c6ea9c ("perf symbols: Record text offset in dso
> > to calculate objdump address") started storing the offset of
> > the text section for all DSOs:
> >
> >
time_ss->elf, &runtime_ss->ehdr, &tshdr,
> + ".text", NULL))
> dso->text_offset = tshdr.sh_addr - tshdr.sh_offset;
>
> if (runtime_ss->opdsec)
Reviewed-by: Naveen N. Rao
Thanks Anton!
- Naveen
On 2016/08/12 04:35PM, Anton Blanchard wrote:
> From: Anton Blanchard
>
> Commit 73cdf0c6ea9c ("perf symbols: Record text offset in dso
> to calculate objdump address") started storing the offset of
> the text section for all DSOs:
>
>if (elf_section_by_name(elf, &ehdr, &tshdr, ".text",
On 2016/06/30 12:34PM, Denis Kirjanov wrote:
> On 6/30/16, Andreas Ziegler wrote:
> > Hi Naveen,
> >
> > this patchset makes a change to arch/powerpc/net/Makefile in order to only
> > compile the previously existing bpf_jit_comp.c if !CONFIG_PPC64, and use
> > bpf_jit_comp64.c if CONFIG_PPC64 is e
On 2016/06/29 04:45PM, Ravi Bangoria wrote:
> From: Naveen N. Rao
>
> Powerpc has long list of branch instructions and hardcoding them in
> table appears to be error-prone. So, add new function to find
> instruction instead of creating table. This function dynamically
> cr
Commit-ID: 6ef9492915b09816c75bb41e7e37b2e507d2f70f
Gitweb: http://git.kernel.org/tip/6ef9492915b09816c75bb41e7e37b2e507d2f70f
Author: Naveen N. Rao
AuthorDate: Fri, 24 Jun 2016 17:23:58 +0530
Committer: Arnaldo Carvalho de Melo
CommitDate: Mon, 27 Jun 2016 14:25:05 -0300
perf
On 2016/06/29 10:35AM, Stephen Rothwell wrote:
> Hi all,
Hi Stephen,
>
> Today's linux-next merge of the powerpc tree got a conflict in:
>
> arch/powerpc/Kconfig
>
> between commit:
>
> 844e3be47693 ("powerpc/bpf/jit: Disable classic BPF JIT on ppc64le")
Ah, I see that the above commit i
ahalli
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 13 +++--
arch/powerpc/net/bpf_jit_comp.c | 8
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/p
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 17 +++--
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/net/b
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 13 ++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index 889fd19..a9882db 100644
vid S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 121 +-
arch/powerpc/net/bpf_jit32.h| 139
: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Thadeu Lima de Souza Cascardo
Reported-by: Thadeu Lima de Souza Cascardo
Signed-off-by: Naveen N. Rao
---
arch/powerpc/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
di
4
[2] http://thread.gmane.org/gmane.linux.ports.ppc.embedded/96514
Naveen N. Rao (7):
ppc bpf/jit: Disable classic BPF JIT on ppc64le
ppc: bpf/jit: Fix/enhance 32-bit Load Immediate implementation
ppc: bpf/jit: Optimize 64-bit Immediate loads
ppc: bpf/jit: Introduce rotate immediate in
"David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/Kconfig | 3 +-
arch/powerpc/include/asm/asm-compat.h | 2 +
arch/powerpc/include/asm/ppc-opcode.h | 2
s Kirjanov
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Thadeu Lima de Souza Cascardo
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
arch/powerpc/include/asm/ppc-op
On 2016/06/22 12:42PM, Naveen N Rao wrote:
> On 2016/06/21 11:47AM, Thadeu Lima de Souza Cascardo wrote:
> > On Tue, Jun 21, 2016 at 09:15:48PM +1000, Michael Ellerman wrote:
> > > On Tue, 2016-06-21 at 14:28 +0530, Naveen N. Rao wrote:
> > > > On 2016/06/20 03:56PM,
On 2016/06/22 08:37PM, Michael Ellerman wrote:
> On Tue, 2016-06-07 at 19:02 +0530, Naveen N. Rao wrote:
>
> > PPC64 eBPF JIT compiler.
> >
> > Enable with:
> > echo 1 > /proc/sys/net/core/bpf_jit_enable
> > or
> > echo 2 > /proc/sys/net/core/bpf_
On 2016/06/21 11:47AM, Thadeu Lima de Souza Cascardo wrote:
> On Tue, Jun 21, 2016 at 09:15:48PM +1000, Michael Ellerman wrote:
> > On Tue, 2016-06-21 at 14:28 +0530, Naveen N. Rao wrote:
> > > On 2016/06/20 03:56PM, Thadeu Lima de Souza Cascardo wrote:
> > > > On S
On 2016/06/21 09:04PM, Michael Ellerman wrote:
> On Tue, 2016-06-21 at 12:28 +0530, Naveen N. Rao wrote:
> > On 2016/06/21 09:38AM, Michael Ellerman wrote:
> > > On Sun, 2016-06-19 at 23:06 +0530, Naveen N. Rao wrote:
> > > >
> > > > #inc
On 2016/06/20 03:56PM, Thadeu Lima de Souza Cascardo wrote:
> On Sun, Jun 19, 2016 at 11:19:14PM +0530, Naveen N. Rao wrote:
> > On 2016/06/17 10:00AM, Thadeu Lima de Souza Cascardo wrote:
> > >
> > > Hi, Michael and Naveen.
> > >
> > > I noticed i
On 2016/06/21 09:38AM, Michael Ellerman wrote:
> On Sun, 2016-06-19 at 23:06 +0530, Naveen N. Rao wrote:
> > On 2016/06/17 10:53PM, Michael Ellerman wrote:
> > > On Tue, 2016-07-06 at 13:32:23 UTC, "Naveen N. Rao" wrote:
> > > > diff --git a/arch/powe
On 2016/06/17 10:00AM, Thadeu Lima de Souza Cascardo wrote:
> On Fri, Jun 17, 2016 at 10:53:21PM +1000, Michael Ellerman wrote:
> > On Tue, 2016-07-06 at 13:32:23 UTC, "Naveen N. Rao" wrote:
> > > diff --git a/arch/powerpc/net/bpf_jit_comp64.c
> > > b/arch/p
On 2016/06/17 10:53PM, Michael Ellerman wrote:
> On Tue, 2016-07-06 at 13:32:23 UTC, "Naveen N. Rao" wrote:
> > diff --git a/arch/powerpc/net/bpf_jit_comp64.c
> > b/arch/powerpc/net/bpf_jit_comp64.c
> > new file mode 100644
> > index 000..954ff53
> &g
On 2016/06/10 10:47PM, David Miller wrote:
> From: "Naveen N. Rao"
> Date: Tue, 7 Jun 2016 19:02:17 +0530
>
> > Please note that patch [2] is a pre-requisite for this patchset, and is
> > not yet upstream.
> ...
> > [1] http://thread.gmane.org
On 2016/06/10 08:08PM, Naveen N. Rao wrote:
> On 2016/06/10 10:36AM, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Jun 10, 2016 at 06:32:51PM +0530, Naveen N. Rao escreveu:
> > > Convert ins__find() to a __weak function for generic functionality,
> > > while adding a p
On 2016/06/10 10:36AM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jun 10, 2016 at 06:32:51PM +0530, Naveen N. Rao escreveu:
> > Convert ins__find() to a __weak function for generic functionality,
> > while adding a powerpc-specific variant. We look at the function name
> > fo
On 2016/06/10 10:30AM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jun 10, 2016 at 06:32:50PM +0530, Naveen N. Rao escreveu:
> > Introduce helper to detect ret instructions and use the same in the tui.
Hi Arnaldo,
Thanks for the review.
>
> Humm, I think this is simpler and equiv
Introduce helper to detect ret instructions and use the same in the tui.
Cc: Arnaldo Carvalho de Melo
Cc: Anton Blanchard
Cc: Michael Ellerman
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
tools/perf/ui/browsers/annotate.c | 20 +---
tools/perf/util
: Arnaldo Carvalho de Melo
Cc: Anton Blanchard
Cc: Michael Ellerman
Cc: Ananth N Mavinakayanahalli
Reported-by: Anton Blanchard
Signed-off-by: Naveen N. Rao
---
tools/perf/arch/powerpc/util/Build | 1 +
tools/perf/arch/powerpc/util/annotate.c | 58 +
tools
On 2016/06/08 10:19PM, Nilay Vaish wrote:
> Naveen, can you point out where in the patch you update the variable:
> idx, a member of codegen_contex structure? Somehow I am unable to
> figure it out. I can only see that we set it to 0 in the
> bpf_int_jit_compile function. Since all your test cas
On 2016/06/07 03:56PM, Alexei Starovoitov wrote:
> On Tue, Jun 07, 2016 at 07:02:23PM +0530, Naveen N. Rao wrote:
> > PPC64 eBPF JIT compiler.
> >
> > Enable with:
> > echo 1 > /proc/sys/net/core/bpf_jit_enable
> > or
> > echo 2 > /proc/sys/ne
s Kirjanov
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/include/asm/ppc-opcode.h | 2 ++
arch/powerpc/net/bpf_jit.h| 20 +
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 13 ++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index 889fd19..a9882db 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h
li
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 13 +++--
arch/powerpc/net/bpf_jit_comp.c | 8
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index 95d0e38..9041d3f 100644
--- a/arch/p
"David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/Kconfig | 3 +-
arch/powerpc/include/asm/asm-compat.h | 2 +
arch/powerpc/include/asm/ppc-opcode.h | 20 +-
arch/powerpc/net/Makefile | 4 +
arch/powerpc
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 17 +++--
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index a9882db..4c1e055 10
vid S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 121 +-
arch/powerpc/net/bpf_jit32.h| 139
arch/powerpc/net/bpf_jit_asm.S | 2 +-
arch/powerpc/net/bpf_
t for BPF constant blinding
Please note that patch [2] is a pre-requisite for this patchset, and is
not yet upstream.
- Naveen
[1] http://thread.gmane.org/gmane.linux.kernel/2188694
[2] http://thread.gmane.org/gmane.linux.ports.ppc.embedded/96514
Naveen N. Rao (6):
ppc: bpf/jit: Fix/enhance 3
On 2016/05/24 03:45PM, Madhavan Srinivasan wrote:
>
>
> On Thursday 19 May 2016 08:40 PM, Anju T wrote:
> > Detour buffer contains instructions to create an in memory pt_regs.
> > After the execution of prehandler a call is made for instruction emulation.
> > The NIP is decided after the probed i
On 2016/05/19 08:40PM, Anju T wrote:
> Detour buffer contains instructions to create an in memory pt_regs.
> After the execution of prehandler a call is made for instruction emulation.
> The NIP is decided after the probed instruction is executed. Hence a branch
> instruction is created to the NIP
On 2016/05/07 02:15PM, Michael Ellerman wrote:
> On Thu, 2016-05-05 at 15:23:19 UTC, "Naveen N. Rao" wrote:
> > Generalize existing macros to serve the purpose.
> >
> > Cc: Wang Nan
> > Cc: Arnaldo Carvalho de Melo
> > Cc: Masami Hiramatsu
&
Commit-ID: 239aeba764092b29dd7cab177cd47f472390622e
Gitweb: http://git.kernel.org/tip/239aeba764092b29dd7cab177cd47f472390622e
Author: Naveen N. Rao
AuthorDate: Tue, 12 Apr 2016 14:40:49 +0530
Committer: Arnaldo Carvalho de Melo
CommitDate: Thu, 5 May 2016 21:04:02 -0300
perf powerpc
Commit-ID: 0b3c2264ae30ed692fd1ffd2b84c5fbdf737cb0d
Gitweb: http://git.kernel.org/tip/0b3c2264ae30ed692fd1ffd2b84c5fbdf737cb0d
Author: Naveen N. Rao
AuthorDate: Tue, 12 Apr 2016 14:40:50 +0530
Committer: Arnaldo Carvalho de Melo
CommitDate: Thu, 5 May 2016 21:04:03 -0300
perf symbols
Commit-ID: 4679bccaa30893ccc5be35c5c5d44f5ab60c0a08
Gitweb: http://git.kernel.org/tip/4679bccaa30893ccc5be35c5c5d44f5ab60c0a08
Author: Naveen N. Rao
AuthorDate: Thu, 5 May 2016 20:53:19 +0530
Committer: Arnaldo Carvalho de Melo
CommitDate: Thu, 5 May 2016 21:03:58 -0300
perf tools
Generalize existing macros to serve the purpose.
Cc: Wang Nan
Cc: Arnaldo Carvalho de Melo
Cc: Masami Hiramatsu
Cc: Ian Munsie
Cc: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
With this patch:
# ./perf test 37
37: Test BPF filter
On 2016/04/28 12:29PM, Arnaldo Carvalho de Melo wrote:
> Em Thu, Apr 28, 2016 at 07:53:41PM +0530, Naveen N. Rao escreveu:
> > On 2016/04/28 03:01PM, Chandan Kumar wrote:
> > > This patch set enables perf user stack dump on powerpc
> >
> > For this patch-set:
On 2016/04/28 03:01PM, Chandan Kumar wrote:
> This patch set enables perf user stack dump on powerpc
For this patch-set:
Reviewed-by: Naveen N. Rao
I suppose that implies my testing, but nonetheless:
Tested-by: Naveen N. Rao
>
> Example with "ls" command as user prog
On 2016/04/12 02:40PM, Naveen N Rao wrote:
> This patchset fixes three issues found with perf probe on ppc64le:
> 1. 'perf test kallsyms' failure on ppc64le (reported by Michael
> Ellerman). This was due to the symbols being fixed up during symbol
> table load. This is fixed
On 2016/02/20 10:32AM, Anju T wrote:
> The perf infrastructure uses a bit mask to find out valid
> registers to display. Define a register mask for supported
> registers defined in asm/perf_regs.h. The bit positions also
> correspond to register IDs which is used by perf infrastructure
> to fetch t
On 2016/02/20 10:32AM, Anju T wrote:
> The enum definition assigns an 'id' to each register in "struct pt_regs"
> of arch/powerpc. The order of these values in the enum definition are
> based on the corresponding macros in arch/powerpc/include/uapi/asm/ptrace.h.
>
> Signed-off-by: Anju T
> ---
>
nn
Cc: Arnaldo Carvalho de Melo
Cc: Masami Hiramatsu
Cc: Michael Ellerman
Cc: Balbir Singh
Cc: Ananth N Mavinakayanahalli
Naveen N. Rao (2):
perf tools: Fix kprobe and kretprobe handling with kallsyms on ppc64le
perf tools: Fix kallsyms perf test on ppc64le
tools/perf/arch/
: Michael Ellerman
Cc: Balbir Singh
Reported-by: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
v2: Removed un-necessary check for uprobes
tools/perf/arch/powerpc/util/sym-handling.c | 19 ++-
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/tools/perf/arch
h-specific
member of perf symbol structure, and later use this to adjust the probe
trace point.
Cc: Mark Wielaard
Cc: Thiago Jung Bauermann
Cc: Arnaldo Carvalho de Melo
Cc: Masami Hiramatsu
Cc: Balbir Singh
Acked-by: Ananth N Mavinakayanahalli
Reported-by: Michael Ellerman
Signed-off-by: Nav
On 2016/04/11 02:41PM, Michael Ellerman wrote:
> On Sat, 2016-04-09 at 19:12 +0530, Naveen N. Rao wrote:
> >
> > I suppose this boils down to the quirkiness of ABIv2. Though, in
> > reality, I don't think most users will notice. As I stated above, users
> >
On 2016/04/08 04:57PM, Balbir Singh wrote:
> On Thu, 2016-04-07 at 14:56 +0530, Naveen N. Rao wrote:
> > On 2016/04/07 06:19PM, Balbir Singh wrote:
> > >
> > >
> > > On 06/04/16 22:32, Naveen N. Rao wrote:
> > > >
> > > > This
On 2016/04/07 06:19PM, Balbir Singh wrote:
>
> On 06/04/16 22:32, Naveen N. Rao wrote:
> > This patchset fixes three issues found with perf probe on ppc64le:
> > 1. 'perf test kallsyms' failure on ppc64le (reported by Michael
> > Ellerman). This was due to the sy
On 2016/04/07 10:00AM, Ananth N wrote:
> On Wed, Apr 06, 2016 at 06:02:57PM +0530, Naveen N. Rao wrote:
>
> > + if (!pev->uprobes && map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS)
> > tev->point.offset += PPC64LE_LEP_OFFSET;
>
> u
c: Masami Hiramatsu
Cc: Michael Ellerman
Cc: Ananth N Mavinakayanahalli
Naveen N. Rao (2):
perf/powerpc: Fix kprobe and kretprobe handling with kallsyms
tools/perf: Fix kallsyms perf test on ppc64le
tools/perf/arch/powerpc/util/sym-handling.c | 41
: Michael Ellerman
Reported-by: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
tools/perf/arch/powerpc/util/sym-handling.c | 19 ++-
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c
b/tools/perf/arch/powerpc/util
Cc: Thiago Jung Bauermann
Cc: Ananth N Mavinakayanahalli
Cc: Arnaldo Carvalho de Melo
Cc: Masami Hiramatsu
Reported-by: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
tools/perf/arch/powerpc/util/sym-handling.c | 24
tools/perf/util/probe-event.c
On 2016/04/05 09:28AM, Alexei Starovoitov wrote:
> On 4/5/16 3:02 AM, Naveen N. Rao wrote:
> >Some of these tests proved useful with the powerpc eBPF JIT port due to
> >sign-extended 16-bit immediate loads. Though some of these aspects get
> >covered in other tests, it is be
On 2016/04/05 09:20AM, Alexei Starovoitov wrote:
> On 4/5/16 3:02 AM, Naveen N. Rao wrote:
> >Unsigned Jump-if-Greater-Than.
> >
> >Cc: Alexei Starovoitov
> >Cc: Daniel Borkmann
> >Cc: "David S. Miller"
> >Cc: Ananth N Mavinakayanahalli
> >
Unsigned Jump-if-Greater-Than.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 29 +
1 file changed, 29 insertion
JMP_JSET tests incorrectly used BPF_JNE. Fix the same.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 8
1 file changed, 4 insert
BPF_ALU32 and BPF_ALU64 tests for adding two 32-bit values that results in
32-bit overflow.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_
: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 128 +
1 file changed, 128 insertions(+)
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
ind
On 2016/04/01 08:34PM, Daniel Borkmann wrote:
> On 04/01/2016 08:10 PM, Alexei Starovoitov wrote:
> >On 4/1/16 2:58 AM, Naveen N. Rao wrote:
> >>PPC64 eBPF JIT compiler. Works for both ABIv1 and ABIv2.
> >>
> >>Enable with:
> >>echo 1 > /proc/sys/n
vid S. Miller
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
v2: updated macros using ({ }) gcc extension as per Alexei
samples/bpf/bpf_helpers.h | 26 ++
samples/bpf/spintest_kern.c | 2 +-
samples/bpf/tracex2_kern.c
: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: David S. Miller
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Acked-by: Alexei Starovoitov
Signed-off-by: Naveen N. Rao
---
v2: no changes
samples/bpf/map_perf_test_user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sam
While at it, remove the generation of .s files and fix some typos in the
related comment.
Cc: Alexei Starovoitov
Cc: David S. Miller
Cc: Daniel Borkmann
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
v2: removed generation of .s files
samples/bpf
On 2016/03/31 10:52AM, Alexei Starovoitov wrote:
> On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> ...
> >+
> >+#ifdef __powerpc__
> >+#define BPF_KPROBE_READ_RET_IP(ip, ctx) { (ip) = (ctx)->link; }
> >+#define BPF_KRETPROBE_READ_RET_IP(ip, ctx) BPF_KPRO
On 2016/03/31 08:19PM, Daniel Borkmann wrote:
> On 03/31/2016 07:46 PM, Alexei Starovoitov wrote:
> >On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> >> clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
> >> -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unu
On 2016/04/01 03:28PM, Naveen N Rao wrote:
> Implement extended BPF JIT for ppc64. We retain the classic BPF JIT for
> ppc32 and move ppc64 BE/LE to use the new JIT. Classic BPF filters will
> be converted to extended BPF (see convert_filter()) and JIT'ed with the
> new compiler.
c: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/include/asm/ppc-opcode.h | 2 ++
arch/powerpc/net/bpf_jit.h| 20 +++-
2 files changed, 13 insert
-alignment, per the ISA. Change the macros to use IMM_L().
4. A few white-space cleanups to satisfy checkpatch.pl.
Cc: Matt Evans
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
ar
: Alexei Starovoitov
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 17 +++--
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
ind
ayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/net/bpf_jit.h | 122 +-
arch/powerpc/net/bpf_jit32.h| 140
arch/powerpc/net/bpf_jit_asm.S | 2 +-
arch/powerpc/net/bpf_jit_comp.c | 2 +-
4 files changed, 145
.
Cc: Matt Evans
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/powerpc/include/asm/ppc-opcode.h | 19 +-
arch/powerpc/net/Makefile | 4 +
arch/powerpc/net/bpf_j
we now only need a single LI.
The new implementation now generates the same or less number of
instructions.
Cc: Matt Evans
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Alexei Starovoitov
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Signed-off-by: Naveen N. Rao
---
arch/p
- Naveen
Naveen N. Rao (6):
ppc: bpf/jit: Fix/enhance 32-bit Load Immediate implementation
ppc: bpf/jit: Optimize 64-bit Immediate loads
ppc: bpf/jit: Introduce rotate immediate instructions
ppc: bpf/jit: A few cleanups
ppc: bpf/jit: Isolate classic BPF JIT specifics into a separate he
On 2016/03/31 10:49AM, Alexei Starovoitov wrote:
> On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> >Make BPF samples build depend on CONFIG_SAMPLE_BPF. We still don't add a
> >Kconfig option since that will add a dependency on llvm for allyesconfig
> >builds which may not be d
On 2016/03/31 10:43AM, Alexei Starovoitov wrote:
> On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> >Building BPF samples is failing with the below error:
> >
> >samples/bpf/map_perf_test_user.c: In function ‘main’:
> >samples/bpf/map_perf_test_user.c:134:9: error: variable
: Alexei Starovoitov
Cc: David S. Miller
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
samples/bpf/map_perf_test_user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 95af56e.
While at it, fix some typos in the comment.
Cc: Alexei Starovoitov
Cc: David S. Miller
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Signed-off-by: Naveen N. Rao
---
samples/bpf/Makefile | 11 ---
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/samples/bpf
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