[Xen-changelog] [xen master] Revert "setup vwfi correctly on cpu0"

[patchbot@xxxxxxx]

commit 6772d50a50ca4315f658e33194f966e48d180384
Author:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
AuthorDate: Fri Apr 7 15:38:58 2017 -0700
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Fri Apr 7 16:07:23 2017 -0700

    Revert "setup vwfi correctly on cpu0"
    
    This reverts commit b32d442abd92cdd4d8f2a2e7794cfee9dba7fe22. There is
    no need for this patch after "xen/arm: Set and restore HCR_EL2 register
    for each vCPU separately".
    
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/traps.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 3625e04..6bed039 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -117,25 +117,6 @@ static void __init parse_vwfi(const char *s)
 }
 custom_param("vwfi", parse_vwfi);
 
-static int __init vwfi_init(void)
-{
-    /*
-     * HCR_EL2 has already been set on cpu0, change the setting here, if
-     * needed. Other cpus haven't booted yet, init_traps will setup
-     * HCR_EL2 correctly.
-     */
-    if ( vwfi == NATIVE )
-    {
-        register_t hcr;
-
-        hcr = READ_SYSREG(HCR_EL2);
-        WRITE_SYSREG(hcr & ~(HCR_TWI|HCR_TWE), HCR_EL2);
-    }
-
-    return 0;
-}
-presmp_initcall(vwfi_init);
-
 register_t get_default_hcr_flags(void)
 {
     return  (HCR_PTW|HCR_BSU_INNER|HCR_AMO|HCR_IMO|HCR_FMO|HCR_VM|
--
generated by git-patchbot for /home/xen/git/xen.git#master

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