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Re: [PATCH v3 08/30] target/alpha: Restrict has_work() handler to sysemu and TCG
- To: Richard Henderson <richard.henderson@xxxxxxxxxx>, qemu-devel@xxxxxxxxxx
- From: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
- Date: Fri, 3 Sep 2021 22:34:30 +0200
- Cc: Peter Maydell <peter.maydell@xxxxxxxxxx>, Cornelia Huck <cohuck@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, David Hildenbrand <david@xxxxxxxxxx>, Bin Meng <bin.meng@xxxxxxxxxxxxx>, Mark Cave-Ayland <mark.cave-ayland@xxxxxxxxxxxx>, Aleksandar Rikalo <aleksandar.rikalo@xxxxxxxxxx>, Laurent Vivier <laurent@xxxxxxxxx>, Max Filippov <jcmvbkbc@xxxxxxxxx>, Taylor Simpson <tsimpson@xxxxxxxxxxx>, haxm-team@xxxxxxxxx, Colin Xu <colin.xu@xxxxxxxxx>, "Edgar E. Iglesias" <edgar.iglesias@xxxxxxxxx>, Stafford Horne <shorne@xxxxxxxxx>, Marek Vasut <marex@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, Kamil Rytarowski <kamil@xxxxxxxxxx>, Reinoud Zandijk <reinoud@xxxxxxxxxx>, Claudio Fontana <cfontana@xxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Artyom Tarasenko <atar4qemu@xxxxxxxxx>, Laurent Vivier <lvivier@xxxxxxxxxx>, Thomas Huth <thuth@xxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>, Greg Kurz <groug@xxxxxxxx>, Cameron Esfahani <dirty@xxxxxxxxx>, qemu-s390x@xxxxxxxxxx, qemu-arm@xxxxxxxxxx, Michael Rolnik <mrolnik@xxxxxxxxx>, Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>, qemu-riscv@xxxxxxxxxx, Bastian Koppelmann <kbastian@xxxxxxxxxxxxxxxxxxxxx>, Chris Wulff <crwulff@xxxxxxxxx>, Roman Bolshakov <r.bolshakov@xxxxxxxxx>, qemu-ppc@xxxxxxxxxx, Wenchao Wang <wenchao.wang@xxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Aurelien Jarno <aurelien@xxxxxxxxxxx>
- Delivery-date: Fri, 03 Sep 2021 20:34:37 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 9/3/21 10:18 PM, Richard Henderson wrote:
> On 9/2/21 6:15 PM, Philippe Mathieu-Daudé wrote:
>> Restrict has_work() to TCG sysemu.
>>
>> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
>> ---
>> target/alpha/cpu.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
>> index 93e16a2ffb4..32cf5a2ea9f 100644
>> --- a/target/alpha/cpu.c
>> +++ b/target/alpha/cpu.c
>> @@ -33,6 +33,7 @@ static void alpha_cpu_set_pc(CPUState *cs, vaddr value)
>> cpu->env.pc = value;
>> }
>> +#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
>> static bool alpha_cpu_has_work(CPUState *cs)
>
> Drop CONFIG_TCG for alpha; it's always true.
What is the rational? "Old" architectures (with no active /
official hw development) are unlikely to add hardware
acceleration, so TCG is the single one possible? Thus no
need to clutter the code with obvious #ifdef'ry?
> Otherwise,
> Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx>
>
> r~
>
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