* [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2
@ 2014-03-19 21:53 Andreas Färber
2014-03-19 21:53 ` [Qemu-devel] [PULL for-2.0 1/1] cpu: Move tcg_exit_req to the end of CPUState Andreas Färber
2014-03-19 23:30 ` [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Peter Maydell
0 siblings, 2 replies; 3+ messages in thread
From: Andreas Färber @ 2014-03-19 21:53 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Andreas Färber, Anthony Liguori
Hello Peter,
This is my current QOM CPU patch queue. Please pull.
Regards,
Andreas
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Anthony Liguori <anthony@codemonkey.ws>
The following changes since commit f71e769d0754dc9a593a9e17ec6693a261b29f82:
Merge remote-tracking branch 'remotes/afaerber/tags/qom-cpu-for-2.0' into staging (2014-03-19 19:05:13 +0000)
are available in the git repository at:
git://github.com/afaerber/qemu-cpu.git tags/qom-cpu-for-2.0
for you to fetch changes up to 7e4fb26d757b460de5b80b4220bcd926f7175cb2:
cpu: Move tcg_exit_req to the end of CPUState (2014-03-19 22:11:19 +0100)
----------------------------------------------------------------
QOM CPUState refactorings / X86CPU
* CPUState layout optimization for TCG
----------------------------------------------------------------
Richard Henderson (1):
cpu: Move tcg_exit_req to the end of CPUState
include/qom/cpu.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Qemu-devel] [PULL for-2.0 1/1] cpu: Move tcg_exit_req to the end of CPUState
2014-03-19 21:53 [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Andreas Färber
@ 2014-03-19 21:53 ` Andreas Färber
2014-03-19 23:30 ` [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Peter Maydell
1 sibling, 0 replies; 3+ messages in thread
From: Andreas Färber @ 2014-03-19 21:53 UTC (permalink / raw)
To: qemu-devel; +Cc: Andreas Färber, Richard Henderson
From: Richard Henderson <rth@twiddle.net>
Reverse an increase in the size of generated code.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
include/qom/cpu.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 06ee263..f99885a 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -227,7 +227,6 @@ struct CPUState {
bool stop;
bool stopped;
volatile sig_atomic_t exit_request;
- volatile sig_atomic_t tcg_exit_req;
uint32_t interrupt_request;
int singlestep_enabled;
int64_t icount_extra;
@@ -272,6 +271,12 @@ struct CPUState {
} icount_decr;
uint32_t can_do_io;
int32_t exception_index; /* used by m68k TCG */
+
+ /* Note that this is accessed at the start of every TB via a negative
+ offset from AREG0. Leave this field at the end so as to make the
+ (absolute value) offset as small as possible. This reduces code
+ size, especially for hosts without large memory offsets. */
+ volatile sig_atomic_t tcg_exit_req;
};
QTAILQ_HEAD(CPUTailQ, CPUState);
--
1.8.4.5
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2
2014-03-19 21:53 [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Andreas Färber
2014-03-19 21:53 ` [Qemu-devel] [PULL for-2.0 1/1] cpu: Move tcg_exit_req to the end of CPUState Andreas Färber
@ 2014-03-19 23:30 ` Peter Maydell
1 sibling, 0 replies; 3+ messages in thread
From: Peter Maydell @ 2014-03-19 23:30 UTC (permalink / raw)
To: Andreas Färber; +Cc: QEMU Developers, Anthony Liguori
On 19 March 2014 21:53, Andreas Färber <afaerber@suse.de> wrote:
> Hello Peter,
>
> This is my current QOM CPU patch queue. Please pull.
>
> Regards,
> Andreas
>
> Cc: Peter Maydell <peter.maydell@linaro.org>
> Cc: Anthony Liguori <anthony@codemonkey.ws>
>
> The following changes since commit f71e769d0754dc9a593a9e17ec6693a261b29f82:
>
> Merge remote-tracking branch 'remotes/afaerber/tags/qom-cpu-for-2.0' into staging (2014-03-19 19:05:13 +0000)
>
> are available in the git repository at:
>
>
> git://github.com/afaerber/qemu-cpu.git tags/qom-cpu-for-2.0
>
> for you to fetch changes up to 7e4fb26d757b460de5b80b4220bcd926f7175cb2:
>
> cpu: Move tcg_exit_req to the end of CPUState (2014-03-19 22:11:19 +0100)
Applied, thanks.
-- PMM
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-03-19 21:53 [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Andreas Färber
2014-03-19 21:53 ` [Qemu-devel] [PULL for-2.0 1/1] cpu: Move tcg_exit_req to the end of CPUState Andreas Färber
2014-03-19 23:30 ` [Qemu-devel] [PULL for-2.0-rc1 0/1] QOM CPUState patch queue 2014-03-19 #2 Peter Maydell
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