Re: [Qemu-devel] [PATCH for-4.0 0/5] tcg/i386: Improve guest_base handling

2018-12-10 Thread Emilio G. Cota 
On Mon, Dec 03, 2018 at 10:08:35 -0600, Richard Henderson wrote:
> This tidies guest_base handling such that (1) we require no scratch
> registers, (2) we require no extra instructions besides the memory op,
> and (3) we reduce the size of the memory op by omitting a prefix.
> 
> In principal point 3 is offset by adding additional opcodes to handle
> zero-extension when converting 64-bit guest values back to 32-bit guest
> addresses.  But those turn out to be hen's teeth, since 32-bit guests
> often have no way of even producing 64-bit guest values.
> 
> In particular, I saw none in a simple pass through linux-user-test-0.3
> for i386, arm, sh4, sparc.

Reviewed-by: Emilio G. Cota 

for the series.

Thanks,

Emilio

Re: [Qemu-devel] [PATCH for-4.0 0/5] tcg/i386: Improve guest_base handling

2018-12-03 Thread no-reply 
Patchew URL: 
https://patchew.org/QEMU/20181203160840.15115-1-richard.hender...@linaro.org/



Hi,

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

Subject: [Qemu-devel] [PATCH for-4.0 0/5] tcg/i386: Improve guest_base handling
Message-id: 20181203160840.15115-1-richard.hender...@linaro.org
Type: series

=== 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'
76861b4 tcg/i386: Add setup_guest_base_seg for FreeBSD
94f1510 tcg/i386: Precompute all guest_base parameters
979a645 tcg/i386: Assume 32-bit values are zero-extended
ec46a17 tcg/i386: Implement INDEX_op_extr{lh}_i64_i32 for 32-bit guests
7eab43f tcg/i386: Propagate is64 to tcg_out_qemu_ld_direct

=== OUTPUT BEGIN ===
Checking PATCH 1/5: tcg/i386: Propagate is64 to tcg_out_qemu_ld_direct...
Checking PATCH 2/5: tcg/i386: Implement INDEX_op_extr{lh}_i64_i32 for 32-bit 
guests...
Checking PATCH 3/5: tcg/i386: Assume 32-bit values are zero-extended...
Checking PATCH 4/5: tcg/i386: Precompute all guest_base parameters...
WARNING: architecture specific defines should be avoided
#34: FILE: tcg/i386/tcg-target.inc.c:1864:
+# if defined(__x86_64__) && defined(__linux__)

total: 0 errors, 1 warnings, 136 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 5/5: tcg/i386: Add setup_guest_base_seg for FreeBSD...
ERROR: space prohibited between function name and open parenthesis '('
#17: FILE: tcg/i386/tcg-target.inc.c:1875:
+# elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)

ERROR: space prohibited between function name and open parenthesis '('
#17: FILE: tcg/i386/tcg-target.inc.c:1875:
+# elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)

total: 2 errors, 0 warnings, 15 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.

=== OUTPUT END ===

Test command exited with code: 1


The full log is available at
http://patchew.org/logs/20181203160840.15115-1-richard.hender...@linaro.org/testing.checkpatch/?type=message.
---
Email generated automatically by Patchew [http://patchew.org/].
Please send your feedback to patchew-de...@redhat.com