cubixle/packages
1
0
Fork 0
mirror of https://github.com/novatiq/packages.git synced 2026-04-30 07:28:39 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #9549 from hauke/io-tool-sync

Browse Source 
io: Open /dev/mem with O_SYNC for uncached access
This commit is contained in:
Rosen Penev
2019-07-24 09:45:35 -07:00
committed by GitHub
parent e7faabcf11 90df0f3e24
commit 626469860a
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
utils/io/Makefile
+1 -1
View File
@@ -6,7 +6,7 @@
include $(TOPDIR)/rules.mk include $(TOPDIR)/rules.mk
PKG_NAME:=io PKG_NAME:=io
PKG_RELEASE:=1 PKG_RELEASE:=2
include $(INCLUDE_DIR)/package.mk include $(INCLUDE_DIR)/package.mk
utils/io/src/io.c
+1 -1
View File
@@ -343,7 +343,7 @@ main (int argc, char **argv)
printf("Attempting to map 0x%lx bytes at address 0x%08lx\n", printf("Attempting to map 0x%lx bytes at address 0x%08lx\n",
real_len, real_addr); real_len, real_addr);
mfd = open("/dev/mem", (memfunc == MEM_READ) ? O_RDONLY : O_RDWR); mfd = open("/dev/mem", (memfunc == MEM_READ) ? (O_RDONLY | O_SYNC) : (O_RDWR | O_SYNC));
if (mfd == -1) { if (mfd == -1) {
perror("open /dev/mem"); perror("open /dev/mem");
fprintf(stderr, "Is CONFIG_DEVMEM activated?\n"); fprintf(stderr, "Is CONFIG_DEVMEM activated?\n");