diff options
author | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
---|---|---|
committer | Justin Waters <justin.waters@timesys.com> | 2008-02-26 13:07:02 -0500 |
commit | b80a32b9cc634adfa8eaef33ec981e7febf2ade2 (patch) | |
tree | f256bce13ba11f514a388160df84e1410bedbe2b /arch/um/os-Linux/sigio.c | |
parent | 594133ef22fae0d737bd1b57352cf3f48a192c63 (diff) |
Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807
This is the result of a brute-force attempt to update the kernel to 2.6.23.
Now that we have a git tree, our effort will be a little nicer in the future.
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'arch/um/os-Linux/sigio.c')
-rw-r--r-- | arch/um/os-Linux/sigio.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index 8d4e0c6b8c92..dc03e9cccb63 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -26,6 +26,7 @@ * exitcall. */ static int write_sigio_pid = -1; +static unsigned long write_sigio_stack; /* These arrays are initialized before the sigio thread is started, and * the descriptors closed after it is killed. So, it can't see them change. @@ -104,7 +105,7 @@ static int need_poll(struct pollfds *polls, int n) if(n <= polls->size) return 0; - new = um_kmalloc_atomic(n * sizeof(struct pollfd)); + new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC); if(new == NULL){ printk("need_poll : failed to allocate new pollfds\n"); return -ENOMEM; @@ -144,8 +145,10 @@ static void update_thread(void) return; fail: /* Critical section start */ - if(write_sigio_pid != -1) + if (write_sigio_pid != -1) { os_kill_process(write_sigio_pid, 1); + free_stack(write_sigio_stack, 0); + } write_sigio_pid = -1; close(sigio_private[0]); close(sigio_private[1]); @@ -230,7 +233,7 @@ static struct pollfd *setup_initial_poll(int fd) { struct pollfd *p; - p = um_kmalloc(sizeof(struct pollfd)); + p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL); if (p == NULL) { printk("setup_initial_poll : failed to allocate poll\n"); return NULL; @@ -243,7 +246,6 @@ static struct pollfd *setup_initial_poll(int fd) static void write_sigio_workaround(void) { - unsigned long stack; struct pollfd *p; int err; int l_write_sigio_fds[2]; @@ -293,7 +295,8 @@ static void write_sigio_workaround(void) memcpy(sigio_private, l_sigio_private, sizeof(l_sigio_private)); write_sigio_pid = run_helper_thread(write_sigio_thread, NULL, - CLONE_FILES | CLONE_VM, &stack, 0); + CLONE_FILES | CLONE_VM, + &write_sigio_stack); if (write_sigio_pid < 0) goto out_clear; @@ -356,10 +359,12 @@ out: static void sigio_cleanup(void) { - if(write_sigio_pid != -1){ - os_kill_process(write_sigio_pid, 1); - write_sigio_pid = -1; - } + if (write_sigio_pid == -1) + return; + + os_kill_process(write_sigio_pid, 1); + free_stack(write_sigio_stack, 0); + write_sigio_pid = -1; } __uml_exitcall(sigio_cleanup); |