Re: [Qemu-devel] [PATCH 1/2] tcg-aarch64: user doesn't need R/W access to exec

2015-01-19 Thread Andrew Jones
On Fri, Jan 16, 2015 at 02:52:21PM +, Peter Maydell wrote: > On 13 January 2015 at 15:48, Andrew Jones wrote: > > Table D4-32 shows that execute access from EL0 doesn't depend > > on AP[1]. > > This commit message is a bit sparse, which confused me > for a bit. It would be worth beefing it up

Re: [Qemu-devel] [PATCH 1/2] tcg-aarch64: user doesn't need R/W access to exec

2015-01-16 Thread Peter Maydell
On 13 January 2015 at 15:48, Andrew Jones wrote: > Table D4-32 shows that execute access from EL0 doesn't depend > on AP[1]. This commit message is a bit sparse, which confused me for a bit. It would be worth beefing it up a bit: target-arm: 64-bit EL0 code can execute from unreadable pages In

[Qemu-devel] [PATCH 1/2] tcg-aarch64: user doesn't need R/W access to exec

2015-01-13 Thread Andrew Jones
Table D4-32 shows that execute access from EL0 doesn't depend on AP[1]. Signed-off-by: Andrew Jones --- target-arm/helper.c | 27 --- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/target-arm/helper.c b/target-arm/helper.c index 3ef0f1f38eda5..7c30a2669a0