linux-user: drop unused target_msync function

qemu with hax to log dma reads & writes jcs.org/2018/11/12/vfio

target_msync is not used, remove its declaration and implementation.

Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

Max Filippov 8 years ago bf9c3a5a 72d75bb3

-18

2 changed files

expand all

linux-user

mmap.c

qemu.h

-17

linux-user/mmap.c

··· 754 754 mmap_unlock(); 755 755 return new_addr; 756 756 } 757 - 758 - int target_msync(abi_ulong start, abi_ulong len, int flags) 759 - { 760 - abi_ulong end; 761 - 762 - if (start & ~TARGET_PAGE_MASK) 763 - return -EINVAL; 764 - len = TARGET_PAGE_ALIGN(len); 765 - end = start + len; 766 - if (end < start) 767 - return -EINVAL; 768 - if (end == start) 769 - return 0; 770 - 771 - start &= qemu_host_page_mask; 772 - return msync(g2h(start), end - start, flags); 773 - }

-1

linux-user/qemu.h

··· 428 428 abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, 429 429 abi_ulong new_size, unsigned long flags, 430 430 abi_ulong new_addr); 431 - int target_msync(abi_ulong start, abi_ulong len, int flags); 432 431 extern unsigned long last_brk; 433 432 extern abi_ulong mmap_next_start; 434 433 abi_ulong mmap_find_vma(abi_ulong, abi_ulong);