Re: [PATCH v4 0/7] tcg: pc-relative translation blocks

[Richard Henderson <richard.henderson@linaro.org>]

On 9/6/22 10:11, Richard Henderson wrote:
> The goal here is to reduce the amount of code generation when the
> guest kernel enables address space randomization.  This requires
> extensive changes to each target, so opt-in with TARGET_TB_PCREL.
> 
> This is split out of v3, which also contained target/arm changes,
> as I now have patches for x86 and s390x as well.
> 
> 
> r~
> 
> 
> Based-on: 20220905202259.189852-1-richard.henderson@linaro.org
> ("[PATCH v3 0/6] tcg: Introduce CPUTLBEntryFull")
> 
> v2: https://lore.kernel.org/qemu-devel/20220816203400.161187-1-richard.henderson@linaro.org/
> v3: https://lore.kernel.org/qemu-devel/20220822232338.1727934-1-richard.henderson@linaro.org/
> 
> branch: https://gitlab.com/rth7680/qemu/-/tree/tcg-pcrel

Arg.  Accidentally dropped a patch from v3:


> 
> 
> Richard Henderson (7):
>    accel/tcg: Use bool for page_find_alloc
>    accel/tcg: Use DisasContextBase in plugin_gen_tb_start
>    accel/tcg: Do not align tb->page_addr[0]
>    include/hw/core: Create struct CPUJumpCache
>    accel/tcg: Introduce tb_pc and tb_pc_log
>    accel/tcg: Introduce TARGET_TB_PCREL
>    accel/tcg: Split log_cpu_exec into inline and slow path
> 
>   include/exec/cpu-defs.h                 |   3 +
>   include/exec/exec-all.h                 |  51 ++++++++++-
>   include/exec/plugin-gen.h               |   7 +-
>   include/hw/core/cpu.h                   |   9 +-
>   accel/tcg/cpu-exec.c                    | 108 ++++++++++++++++--------
>   accel/tcg/cputlb.c                      |   5 +-
>   accel/tcg/plugin-gen.c                  |  22 ++---
>   accel/tcg/translate-all.c               |  90 ++++++++++++--------
>   accel/tcg/translator.c                  |   2 +-
>   target/arm/cpu.c                        |   4 +-
>   target/avr/cpu.c                        |   2 +-
>   target/hexagon/cpu.c                    |   2 +-
>   target/hppa/cpu.c                       |   4 +-
>   target/i386/tcg/tcg-cpu.c               |   2 +-
>   target/loongarch/cpu.c                  |   2 +-
>   target/microblaze/cpu.c                 |   2 +-
>   target/mips/tcg/exception.c             |   2 +-
>   target/mips/tcg/sysemu/special_helper.c |   2 +-
>   target/openrisc/cpu.c                   |   2 +-
>   target/riscv/cpu.c                      |   4 +-
>   target/rx/cpu.c                         |   2 +-
>   target/sh4/cpu.c                        |   4 +-
>   target/sparc/cpu.c                      |   2 +-
>   target/tricore/cpu.c                    |   2 +-
>   tcg/tcg.c                               |   6 +-
>   25 files changed, 226 insertions(+), 115 deletions(-)
>