Re: [PATCH v3 3/7] x86/xen: drop tests for highmem in pv code

From: Jürgen Groß
Date: Mon Aug 10 2020 - 00:37:38 EST


On 09.08.20 04:22, Boris Ostrovsky wrote:
On 8/7/20 4:38 AM, Juergen Gross wrote:
With support for 32-bit pv guests gone pure pv-code no longer needs to
test for highmem. Dropping those tests removes the need for flushing
in some places.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>


with a suggestion


---
arch/x86/xen/enlighten_pv.c | 11 ++-
arch/x86/xen/mmu_pv.c | 138 ++++++++++++++----------------------
2 files changed, 57 insertions(+), 92 deletions(-)

diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 7d90b3da8bb4..9fec952f84f3 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -347,6 +347,7 @@ static void set_aliased_prot(void *v, pgprot_t prot)
unsigned long pfn;
struct page *page;
unsigned char dummy;
+ void *av;


to rename this to va since you are modifying those lines anyway.

Yes.


Juergen