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Re: [Qemu-devel] [PATCH 1/2] alpha-linux-user: Fix umount syscall number
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] alpha-linux-user: Fix umount syscall numbers |
Date: |
Fri, 16 Aug 2013 23:24:12 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 |
Ping.
r~
On 07/24/2013 12:50 PM, Richard Henderson wrote:
> It has been pointed out on LKML that the alpha umount syscall numbers
> are named wrong, and a patch to rectify that has been posted for 3.11.
>
> Glibc works around this by treating NR_umount as NR_umount2 if
> NR_oldumount exists. That's more complicated than we need in QEMU,
> given that we control linux-user/*/syscall_nr.h.
>
> This is the last instance of TARGET_NR_oldumount, so delete that from
> the strace.list.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
> linux-user/alpha/syscall_nr.h | 4 ++--
> linux-user/strace.list | 3 ---
> linux-user/syscall.c | 2 +-
> 3 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/linux-user/alpha/syscall_nr.h b/linux-user/alpha/syscall_nr.h
> index ac2b6e2..d52d76e 100644
> --- a/linux-user/alpha/syscall_nr.h
> +++ b/linux-user/alpha/syscall_nr.h
> @@ -20,7 +20,7 @@
> #define TARGET_NR_lseek 19
> #define TARGET_NR_getxpid 20
> #define TARGET_NR_osf_mount 21
> -#define TARGET_NR_umount 22
> +#define TARGET_NR_umount2 22
> #define TARGET_NR_setuid 23
> #define TARGET_NR_getxuid 24
> #define TARGET_NR_exec_with_loader 25 /* not implemented */
> @@ -255,7 +255,7 @@
> #define TARGET_NR_sysinfo 318
> #define TARGET_NR__sysctl 319
> /* 320 was sys_idle. */
> -#define TARGET_NR_oldumount 321
> +#define TARGET_NR_umount 321
> #define TARGET_NR_swapon 322
> #define TARGET_NR_times 323
> #define TARGET_NR_personality 324
> diff --git a/linux-user/strace.list b/linux-user/strace.list
> index 08f115d..4f9c364 100644
> --- a/linux-user/strace.list
> +++ b/linux-user/strace.list
> @@ -612,9 +612,6 @@
> #ifdef TARGET_NR_oldstat
> { TARGET_NR_oldstat, "oldstat" , NULL, NULL, NULL },
> #endif
> -#ifdef TARGET_NR_oldumount
> -{ TARGET_NR_oldumount, "oldumount" , NULL, NULL, NULL },
> -#endif
> #ifdef TARGET_NR_olduname
> { TARGET_NR_olduname, "olduname" , NULL, NULL, NULL },
> #endif
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 00a0390..e42c20e 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -5719,7 +5719,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
> arg1,
> unlock_user(p, arg1, 0);
> }
> break;
> -#ifdef TARGET_NR_umount2 /* not on alpha */
> +#ifdef TARGET_NR_umount2
> case TARGET_NR_umount2:
> if (!(p = lock_user_string(arg1)))
> goto efault;
>
- Re: [Qemu-devel] [PATCH 1/2] alpha-linux-user: Fix umount syscall numbers,
Richard Henderson <=