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Re: [PATCH v2 37/41] target/s390x: Implement s390_cpu_record_sigsegv
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH v2 37/41] target/s390x: Implement s390_cpu_record_sigsegv |
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Date: |
Sun, 19 Sep 2021 20:39:02 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 |
On 9/18/21 20:45, Richard Henderson wrote:
> Move the masking of the address from cpu_loop into
> s390_cpu_record_sigsegv -- this is governed by hw, not linux.
> This does mean we have to raise our own exception, rather
> than return to the fallback.
>
> Use maperr to choose between PGM_PROTECTION and PGM_ADDRESSING.
> Use the appropriate si_code for each in cpu_loop.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> target/s390x/s390x-internal.h | 13 ++++++++++---
> linux-user/s390x/cpu_loop.c | 14 +++++++-------
> target/s390x/cpu.c | 6 ++++--
> target/s390x/tcg/excp_helper.c | 18 +++++++++++-------
> 4 files changed, 32 insertions(+), 19 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
- [PATCH v2 26/41] target/hppa: Make hppa_cpu_tlb_fill sysemu only, (continued)
- [PATCH v2 26/41] target/hppa: Make hppa_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 29/41] target/microblaze: Make mb_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 35/41] target/riscv: Make riscv_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 27/41] target/i386: Implement x86_cpu_record_sigsegv, Richard Henderson, 2021/09/18
- [PATCH v2 36/41] target/s390x: Use probe_access_flags in s390_probe_access, Richard Henderson, 2021/09/18
- [PATCH v2 39/41] target/sparc: Make sparc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 30/41] target/mips: Make mips_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 28/41] target/m68k: Make m68k_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 37/41] target/s390x: Implement s390_cpu_record_sigsegv, Richard Henderson, 2021/09/18
- Re: [PATCH v2 37/41] target/s390x: Implement s390_cpu_record_sigsegv,
Philippe Mathieu-Daudé <=
- [PATCH v2 38/41] target/sh4: Make sh4_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 32/41] linux-user/openrisc: Adjust signal for EXCP_RANGE, EXCP_FPE, Richard Henderson, 2021/09/18
- [PATCH v2 31/41] target/nios2: Make nios2_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 25/41] target/hexagon: Remove hexagon_cpu_tlb_fill, Richard Henderson, 2021/09/18
- [PATCH v2 34/41] target/ppc: Implement ppc_cpu_record_sigsegv, Richard Henderson, 2021/09/18
- [PATCH v2 33/41] target/openrisc: Make openrisc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 40/41] target/xtensa: Make xtensa_cpu_tlb_fill sysemu only, Richard Henderson, 2021/09/18
- [PATCH v2 41/41] accel/tcg: Restrict TCGCPUOps::tlb_fill() to sysemu, Richard Henderson, 2021/09/18