[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] tci: Optimize saving of TCG code address
|
From: |
Richard Henderson |
|
Subject: |
Re: [Qemu-devel] [PATCH] tci: Optimize saving of TCG code address |
|
Date: |
Tue, 29 Apr 2014 08:20:39 -0700 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
On 04/28/2014 10:57 PM, Stefan Weil wrote:
> -static tcg_target_ulong tci_reg[TCG_TARGET_NB_REGS];
> +static inline void save_tb_ptr(void *tb_ptr)
> +{
> +#ifdef CONFIG_SOFTMMU
> + tci_tb_ptr = (uintptr_t)tb_ptr;
> +#endif
> +}
>
Wouldn't it be better to save this always?
I'm a bit confused about how the SIGSEGV path works with TCI (not at all?), but
I have trouble believing that it ever could work without having this value
available.
r~