xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

parisc/signal: Add FPE_CONDTRAP for conditional trap handling

Browse Source 
Posix and common sense requires that SI_USER not be a signal specific
si_code. Thus add a new FPE_CONDTRAP si_code for conditional traps.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Helge Deller
2018-01-13 19:32:43 -06:00
parent b284d4d5a6
commit 75abf64287
4 changed files with 7 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
arch/parisc/kernel/traps.c
View File

@@ -627,9 +627,10 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
on condition */
if(user_mode(regs)){
si.si_signo = SIGFPE;
/* Set to zero, and let the userspace app figure it out from
the insn pointed to by si_addr */
si.si_code = FPE_FIXME;
/* Let userspace app figure it out from the insn pointed
* to by si_addr.
*/
si.si_code = FPE_CONDTRAP;
si.si_addr = (void __user *) regs->iaoq[0];
force_sig_info(SIGFPE, &si, current);
return;