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

x86/xen: add CONFIG_XEN_PV to Kconfig

Browse Source 
All code to support Xen PV will get under this new option. For the
beginning, check for it in the common code.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Vitaly Kuznetsov
2017-03-14 18:35:38 +01:00
committed by Juergen Gross
parent 52519f2af0
commit 5e57f1d607
3 changed files with 22 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/process_64.c
View File

@@ -446,7 +446,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
__switch_to_xtra(prev_p, next_p, tss);
#ifdef CONFIG_XEN
#ifdef CONFIG_XEN_PV
/*
* On Xen PV, IOPL bits in pt_regs->flags have no effect, and
* current_pt_regs()->flags may not match the current task's