[Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Laurent Vivier]

The following changes since commit 43a473993fd9378bf850dcafa68eb6dee8c300f8:

  Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging (2018-07-06 18:18:08 +0100)

are available in the Git repository at:

  git://github.com/vivier/qemu.git tags/linux-user-for-3.0-pull-request

for you to fetch changes up to 84ca4fa99d7b6c83ce31e1e41300d55cb4e97dcb:

  linux-user: Report error message on stderr, rather than stdout (2018-07-09 00:52:50 +0200)

----------------------------------------------------------------
Sanitize linux-user stdout

----------------------------------------------------------------

Philippe Mathieu-Daudé (3):
  linux-user: Do not report "Unsupported syscall" by default
  linux-user: Do not report "syscall not implemented" by default
  linux-user: Report error message on stderr, rather than stdout

 linux-user/alpha/cpu_loop.c      | 2 +-
 linux-user/cris/cpu_loop.c       | 2 +-
 linux-user/cris/signal.c         | 4 ++--
 linux-user/microblaze/cpu_loop.c | 6 +++---
 linux-user/microblaze/signal.c   | 4 ++--
 linux-user/nios2/signal.c        | 2 +-
 linux-user/sh4/cpu_loop.c        | 2 +-
 linux-user/sparc/cpu_loop.c      | 2 +-
 linux-user/sparc/signal.c        | 4 ++--
 linux-user/syscall.c             | 2 +-
 10 files changed, 15 insertions(+), 15 deletions(-)

-- 
2.17.1

[Qemu-devel] [PULL 1/3] linux-user: Do not report "Unsupported syscall" by default

[Laurent Vivier]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

This can still be reported using the "-d unimp" command line option.

Fixes: https://bugs.launchpad.net/qemu/+bug/1777226
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180706155127.7483-2-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5822e03e28..e4b1b7d7da 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -12757,7 +12757,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
 
     default:
     unimplemented:
-        gemu_log("qemu: Unsupported syscall: %d\n", num);
+        qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
     unimplemented_nowarn:
 #endif
-- 
2.17.1

[Qemu-devel] [PULL 2/3] linux-user: Do not report "syscall not implemented" by default

[Laurent Vivier]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

This can still be reported using the "-d unimp" command line option.

Code change produced with:

  git ls-files linux-user | \
  xargs sed -i -E 's/fprintf\(stderr,\s?(".*not implemented\\n")\);/qemu_log_mask(LOG_UNIMP, \1);/g'

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180706155127.7483-3-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/cris/signal.c       | 4 ++--
 linux-user/microblaze/signal.c | 4 ++--
 linux-user/nios2/signal.c      | 2 +-
 linux-user/sparc/signal.c      | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/linux-user/cris/signal.c b/linux-user/cris/signal.c
index 0b405247cf..1e02194377 100644
--- a/linux-user/cris/signal.c
+++ b/linux-user/cris/signal.c
@@ -146,7 +146,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
                     target_siginfo_t *info,
                      target_sigset_t *set, CPUCRISState *env)
 {
-    fprintf(stderr, "CRIS setup_rt_frame: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "setup_rt_frame: not implemented\n");
 }
 
 long do_sigreturn(CPUCRISState *env)
@@ -183,6 +183,6 @@ badframe:
 long do_rt_sigreturn(CPUCRISState *env)
 {
     trace_user_do_rt_sigreturn(env, 0);
-    fprintf(stderr, "CRIS do_rt_sigreturn: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "do_rt_sigreturn: not implemented\n");
     return -TARGET_ENOSYS;
 }
diff --git a/linux-user/microblaze/signal.c b/linux-user/microblaze/signal.c
index 712ee522b2..80950c2181 100644
--- a/linux-user/microblaze/signal.c
+++ b/linux-user/microblaze/signal.c
@@ -200,7 +200,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
                     target_siginfo_t *info,
                     target_sigset_t *set, CPUMBState *env)
 {
-    fprintf(stderr, "Microblaze setup_rt_frame: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "setup_rt_frame: not implemented\n");
 }
 
 long do_sigreturn(CPUMBState *env)
@@ -240,6 +240,6 @@ badframe:
 long do_rt_sigreturn(CPUMBState *env)
 {
     trace_user_do_rt_sigreturn(env, 0);
-    fprintf(stderr, "Microblaze do_rt_sigreturn: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "do_rt_sigreturn: not implemented\n");
     return -TARGET_ENOSYS;
 }
diff --git a/linux-user/nios2/signal.c b/linux-user/nios2/signal.c
index 4985dc2212..7d535065ed 100644
--- a/linux-user/nios2/signal.c
+++ b/linux-user/nios2/signal.c
@@ -203,7 +203,7 @@ give_sigsegv:
 long do_sigreturn(CPUNios2State *env)
 {
     trace_user_do_sigreturn(env, 0);
-    fprintf(stderr, "do_sigreturn: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "do_sigreturn: not implemented\n");
     return -TARGET_ENOSYS;
 }
 
diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c
index 55e9d6f9b2..b4c60aa446 100644
--- a/linux-user/sparc/signal.c
+++ b/linux-user/sparc/signal.c
@@ -278,7 +278,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
                     target_siginfo_t *info,
                     target_sigset_t *set, CPUSPARCState *env)
 {
-    fprintf(stderr, "setup_rt_frame: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "setup_rt_frame: not implemented\n");
 }
 
 long do_sigreturn(CPUSPARCState *env)
@@ -357,7 +357,7 @@ segv_and_exit:
 long do_rt_sigreturn(CPUSPARCState *env)
 {
     trace_user_do_rt_sigreturn(env, 0);
-    fprintf(stderr, "do_rt_sigreturn: not implemented\n");
+    qemu_log_mask(LOG_UNIMP, "do_rt_sigreturn: not implemented\n");
     return -TARGET_ENOSYS;
 }
 
-- 
2.17.1

[Qemu-devel] [PULL 3/3] linux-user: Report error message on stderr, rather than stdout

[Laurent Vivier]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Code change produced with:

  git ls-files linux-user | \
  xargs sed -i -E 's/(\s+)printf\s*\(("Unhandled.*)\);/\1fprintf(stderr, \2);/g'

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180706155127.7483-4-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/alpha/cpu_loop.c      | 2 +-
 linux-user/cris/cpu_loop.c       | 2 +-
 linux-user/microblaze/cpu_loop.c | 6 +++---
 linux-user/sh4/cpu_loop.c        | 2 +-
 linux-user/sparc/cpu_loop.c      | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/linux-user/alpha/cpu_loop.c b/linux-user/alpha/cpu_loop.c
index b87fcaea87..c1a98c8cbf 100644
--- a/linux-user/alpha/cpu_loop.c
+++ b/linux-user/alpha/cpu_loop.c
@@ -196,7 +196,7 @@ void cpu_loop(CPUAlphaState *env)
             arch_interrupt = false;
             break;
         default:
-            printf ("Unhandled trap: 0x%x\n", trapnr);
+            fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(cs, stderr, fprintf, 0);
             exit(EXIT_FAILURE);
         }
diff --git a/linux-user/cris/cpu_loop.c b/linux-user/cris/cpu_loop.c
index 1c5eca9f83..37bdcfa8cc 100644
--- a/linux-user/cris/cpu_loop.c
+++ b/linux-user/cris/cpu_loop.c
@@ -81,7 +81,7 @@ void cpu_loop(CPUCRISState *env)
             cpu_exec_step_atomic(cs);
             break;
         default:
-            printf ("Unhandled trap: 0x%x\n", trapnr);
+            fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(cs, stderr, fprintf, 0);
             exit(EXIT_FAILURE);
         }
diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c
index 5af12d5b21..2af93eb39a 100644
--- a/linux-user/microblaze/cpu_loop.c
+++ b/linux-user/microblaze/cpu_loop.c
@@ -105,8 +105,8 @@ void cpu_loop(CPUMBState *env)
                     queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
                     break;
                 default:
-                    printf("Unhandled hw-exception: 0x%" PRIx64 "\n",
-                           env->sregs[SR_ESR] & ESR_EC_MASK);
+                    fprintf(stderr, "Unhandled hw-exception: 0x%" PRIx64 "\n",
+                            env->sregs[SR_ESR] & ESR_EC_MASK);
                     cpu_dump_state(cs, stderr, fprintf, 0);
                     exit(EXIT_FAILURE);
                     break;
@@ -130,7 +130,7 @@ void cpu_loop(CPUMBState *env)
             cpu_exec_step_atomic(cs);
             break;
         default:
-            printf ("Unhandled trap: 0x%x\n", trapnr);
+            fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(cs, stderr, fprintf, 0);
             exit(EXIT_FAILURE);
         }
diff --git a/linux-user/sh4/cpu_loop.c b/linux-user/sh4/cpu_loop.c
index 418833ea25..fdd348170b 100644
--- a/linux-user/sh4/cpu_loop.c
+++ b/linux-user/sh4/cpu_loop.c
@@ -84,7 +84,7 @@ void cpu_loop(CPUSH4State *env)
             arch_interrupt = false;
             break;
         default:
-            printf ("Unhandled trap: 0x%x\n", trapnr);
+            fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(cs, stderr, fprintf, 0);
             exit(EXIT_FAILURE);
         }
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 7c4796ca23..91f714afc6 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -285,7 +285,7 @@ void cpu_loop (CPUSPARCState *env)
             cpu_exec_step_atomic(cs);
             break;
         default:
-            printf ("Unhandled trap: 0x%x\n", trapnr);
+            fprintf(stderr, "Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(cs, stderr, fprintf, 0);
             exit(EXIT_FAILURE);
         }
-- 
2.17.1

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Peter Maydell]

On 10 July 2018 at 07:23, Laurent Vivier <laurent@vivier.eu> wrote:
> The following changes since commit 43a473993fd9378bf850dcafa68eb6dee8c300f8:
>
>   Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging (2018-07-06 18:18:08 +0100)
>
> are available in the Git repository at:
>
>   git://github.com/vivier/qemu.git tags/linux-user-for-3.0-pull-request
>
> for you to fetch changes up to 84ca4fa99d7b6c83ce31e1e41300d55cb4e97dcb:
>
>   linux-user: Report error message on stderr, rather than stdout (2018-07-09 00:52:50 +0200)
>
> ----------------------------------------------------------------
> Sanitize linux-user stdout
>
> ----------------------------------------------------------------
>
> Philippe Mathieu-Daudé (3):
>   linux-user: Do not report "Unsupported syscall" by default
>   linux-user: Do not report "syscall not implemented" by default
>   linux-user: Report error message on stderr, rather than stdout
>

Applied, thanks.

-- PMM

[Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Laurent Vivier]

The following changes since commit 6d9dd5fb9d0e9f4a174f53a0e20a39fbe809c71e:

  Merge remote-tracking branch 'remotes/armbru/tags/pull-qobject-2018-07-27-v2' into staging (2018-07-30 09:55:47 +0100)

are available in the Git repository at:

  git://github.com/vivier/qemu.git tags/linux-user-for-3.0-pull-request

for you to fetch changes up to 5d9f3ea0817215ad4baac5aa30414e9ebbaaf0d6:

  linux-user: ppc64: don't use volatile register during safe_syscall (2018-07-31 09:57:43 +0200)

----------------------------------------------------------------
Fix safe_syscall() on ppc64 host
Fix mmap() 0 length error case

----------------------------------------------------------------

Alex Bennée (2):
  linux-user/mmap.c: handle invalid len maps correctly
  tests: add check_invalid_maps to test-mmap

Shivaprasad G Bhat (1):
  linux-user: ppc64: don't use volatile register during safe_syscall

 linux-user/host/ppc64/safe-syscall.inc.S |  8 ++++++--
 linux-user/mmap.c                        | 15 ++++++++++++---
 tests/tcg/multiarch/test-mmap.c          | 22 +++++++++++++++++++++-
 3 files changed, 39 insertions(+), 6 deletions(-)

-- 
2.17.1

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[no-reply]

Hi,

This series seems to have some coding style problems. See output below for
more information:

Type: series
Message-id: 20180731084203.29959-1-laurent@vivier.eu
Subject: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

=== TEST SCRIPT BEGIN ===
#!/bin/bash

BASE=base
n=1
total=$(git log --oneline $BASE.. | wc -l)
failed=0

git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram

commits="$(git log --format=%H --reverse $BASE..)"
for c in $commits; do
    echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
    if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
        failed=1
        echo
    fi
    n=$((n+1))
done

exit $failed
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
Switched to a new branch 'test'
806398c875 linux-user: ppc64: don't use volatile register during safe_syscall
ba78346662 tests: add check_invalid_maps to test-mmap
80fc1be868 linux-user/mmap.c: handle invalid len maps correctly

=== OUTPUT BEGIN ===
Checking PATCH 1/3: linux-user/mmap.c: handle invalid len maps correctly...
Checking PATCH 2/3: tests: add check_invalid_maps to test-mmap...
ERROR: code indent should never use tabs
#62: FILE: tests/tcg/multiarch/test-mmap.c:498:
+^Icheck_invalid_mmaps();$

total: 1 errors, 0 warnings, 40 lines checked

Your patch has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

Checking PATCH 3/3: linux-user: ppc64: don't use volatile register during safe_syscall...
=== OUTPUT END ===

Test command exited with code: 1


---
Email generated automatically by Patchew [http://patchew.org/].
Please send your feedback to patchew-devel@redhat.com

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Laurent Vivier]

Le 31/07/2018 à 14:24, no-reply@patchew.org a écrit :
> Hi,
> 
> This series seems to have some coding style problems. See output below for
> more information:
> 
> Type: series
> Message-id: 20180731084203.29959-1-laurent@vivier.eu
> Subject: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches
> 
> === TEST SCRIPT BEGIN ===
> #!/bin/bash
> 
> BASE=base
> n=1
> total=$(git log --oneline $BASE.. | wc -l)
> failed=0
> 
> git config --local diff.renamelimit 0
> git config --local diff.renames True
> git config --local diff.algorithm histogram
> 
> commits="$(git log --format=%H --reverse $BASE..)"
> for c in $commits; do
>     echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
>     if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
>         failed=1
>         echo
>     fi
>     n=$((n+1))
> done
> 
> exit $failed
> === TEST SCRIPT END ===
> 
> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
> Switched to a new branch 'test'
> 806398c875 linux-user: ppc64: don't use volatile register during safe_syscall
> ba78346662 tests: add check_invalid_maps to test-mmap
> 80fc1be868 linux-user/mmap.c: handle invalid len maps correctly
> 
> === OUTPUT BEGIN ===
> Checking PATCH 1/3: linux-user/mmap.c: handle invalid len maps correctly...
> Checking PATCH 2/3: tests: add check_invalid_maps to test-mmap...
> ERROR: code indent should never use tabs
> #62: FILE: tests/tcg/multiarch/test-mmap.c:498:
> +^Icheck_invalid_mmaps();$
> 
> total: 1 errors, 0 warnings, 40 lines checked

I'm going to resend a pull request without the tab.

Thanks,
Laurent

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Laurent Vivier]

Le 31/07/2018 à 14:40, Laurent Vivier a écrit :
> Le 31/07/2018 à 14:24, no-reply@patchew.org a écrit :
>> Hi,
>>
>> This series seems to have some coding style problems. See output below for
>> more information:
>>
>> Type: series
>> Message-id: 20180731084203.29959-1-laurent@vivier.eu
>> Subject: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches
>>
>> === TEST SCRIPT BEGIN ===
>> #!/bin/bash
>>
>> BASE=base
>> n=1
>> total=$(git log --oneline $BASE.. | wc -l)
>> failed=0
>>
>> git config --local diff.renamelimit 0
>> git config --local diff.renames True
>> git config --local diff.algorithm histogram
>>
>> commits="$(git log --format=%H --reverse $BASE..)"
>> for c in $commits; do
>>     echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
>>     if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
>>         failed=1
>>         echo
>>     fi
>>     n=$((n+1))
>> done
>>
>> exit $failed
>> === TEST SCRIPT END ===
>>
>> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
>> Switched to a new branch 'test'
>> 806398c875 linux-user: ppc64: don't use volatile register during safe_syscall
>> ba78346662 tests: add check_invalid_maps to test-mmap
>> 80fc1be868 linux-user/mmap.c: handle invalid len maps correctly
>>
>> === OUTPUT BEGIN ===
>> Checking PATCH 1/3: linux-user/mmap.c: handle invalid len maps correctly...
>> Checking PATCH 2/3: tests: add check_invalid_maps to test-mmap...
>> ERROR: code indent should never use tabs
>> #62: FILE: tests/tcg/multiarch/test-mmap.c:498:
>> +^Icheck_invalid_mmaps();$
>>
>> total: 1 errors, 0 warnings, 40 lines checked
> 
> I'm going to resend a pull request without the tab.

In fact, no, the whole file uses tabulation. I will not change that.

Peter, could you take the series as-is?

Thanks,
Laurent

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Alex Bennée]

Laurent Vivier <laurent@vivier.eu> writes:

> Le 31/07/2018 à 14:24, no-reply@patchew.org a écrit:
>> Hi,
>>
>> This series seems to have some coding style problems. See output below for
>> more information:
>>
>> Type: series
>> Message-id: 20180731084203.29959-1-laurent@vivier.eu
>> Subject: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches
>>
>> === TEST SCRIPT BEGIN ===
>> #!/bin/bash
>>
>> BASE=base
>> n=1
>> total=$(git log --oneline $BASE.. | wc -l)
>> failed=0
>>
>> git config --local diff.renamelimit 0
>> git config --local diff.renames True
>> git config --local diff.algorithm histogram
>>
>> commits="$(git log --format=%H --reverse $BASE..)"
>> for c in $commits; do
>>     echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
>>     if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
>>         failed=1
>>         echo
>>     fi
>>     n=$((n+1))
>> done
>>
>> exit $failed
>> === TEST SCRIPT END ===
>>
>> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
>> Switched to a new branch 'test'
>> 806398c875 linux-user: ppc64: don't use volatile register during safe_syscall
>> ba78346662 tests: add check_invalid_maps to test-mmap
>> 80fc1be868 linux-user/mmap.c: handle invalid len maps correctly
>>
>> === OUTPUT BEGIN ===
>> Checking PATCH 1/3: linux-user/mmap.c: handle invalid len maps correctly...
>> Checking PATCH 2/3: tests: add check_invalid_maps to test-mmap...
>> ERROR: code indent should never use tabs
>> #62: FILE: tests/tcg/multiarch/test-mmap.c:498:
>> +^Icheck_invalid_mmaps();$

Sorry I should of flagged this in the commit message. I left the touched
bits as is and used spaces for new functions.

>>
>> total: 1 errors, 0 warnings, 40 lines checked
>
> I'm going to resend a pull request without the tab.
>
> Thanks,
> Laurent


--
Alex Bennée

Re: [Qemu-devel] [PULL 0/3] Linux user for 3.0 patches

[Peter Maydell]

On 31 July 2018 at 09:42, Laurent Vivier <laurent@vivier.eu> wrote:
> The following changes since commit 6d9dd5fb9d0e9f4a174f53a0e20a39fbe809c71e:
>
>   Merge remote-tracking branch 'remotes/armbru/tags/pull-qobject-2018-07-27-v2' into staging (2018-07-30 09:55:47 +0100)
>
> are available in the Git repository at:
>
>   git://github.com/vivier/qemu.git tags/linux-user-for-3.0-pull-request
>
> for you to fetch changes up to 5d9f3ea0817215ad4baac5aa30414e9ebbaaf0d6:
>
>   linux-user: ppc64: don't use volatile register during safe_syscall (2018-07-31 09:57:43 +0200)
>
> ----------------------------------------------------------------
> Fix safe_syscall() on ppc64 host
> Fix mmap() 0 length error case
>
> ----------------------------------------------------------------

Applied, thanks.

-- PMM