Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-29 Thread Philippe Mathieu-Daudé
On 5/29/20 10:50 AM, Laurent Vivier wrote: > Le 28/05/2020 à 23:42, Richard Henderson a écrit : >> On 5/28/20 3:32 AM, Laurent Vivier wrote: >>> Le 28/05/2020 à 12:08, Peter Maydell a écrit : On Tue, 19 May 2020 at 20:45, Richard Henderson wrote: > Makefile | 4

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-29 Thread Laurent Vivier
Le 28/05/2020 à 23:42, Richard Henderson a écrit : > On 5/28/20 3:32 AM, Laurent Vivier wrote: >> Le 28/05/2020 à 12:08, Peter Maydell a écrit : >>> On Tue, 19 May 2020 at 20:45, Richard Henderson >>> wrote: Makefile | 4 +- linux-user/elfload.c | 203

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-28 Thread Richard Henderson
On 5/28/20 3:32 AM, Laurent Vivier wrote: > Le 28/05/2020 à 12:08, Peter Maydell a écrit : >> On Tue, 19 May 2020 at 20:45, Richard Henderson >> wrote: >>> Makefile | 4 +- >>> linux-user/elfload.c | 203 +- >>> pc-bios/Makefile

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-28 Thread Philippe Mathieu-Daudé
On 5/28/20 12:32 PM, Laurent Vivier wrote: > Le 28/05/2020 à 12:08, Peter Maydell a écrit : >> On Tue, 19 May 2020 at 20:45, Richard Henderson >> wrote: >>> Makefile | 4 +- >>> linux-user/elfload.c | 203 +- >>> pc-bios/Makefile

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-28 Thread Laurent Vivier
Le 28/05/2020 à 12:08, Peter Maydell a écrit : > On Tue, 19 May 2020 at 20:45, Richard Henderson > wrote: >> Makefile | 4 +- >> linux-user/elfload.c | 203 +- >> pc-bios/Makefile | 5 + >> pc-bios/vdso-linux-x64.S | 115

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-28 Thread Peter Maydell
On Tue, 19 May 2020 at 20:45, Richard Henderson wrote: > Makefile | 4 +- > linux-user/elfload.c | 203 +- > pc-bios/Makefile | 5 + > pc-bios/vdso-linux-x64.S | 115 + > pc-bios/vdso-linux-x64.ld | 81

Re: [PATCH 0/2] linux-user: Load a vdso for x86_64

2020-05-28 Thread Laurent Vivier
Le 19/05/2020 à 21:44, Richard Henderson a écrit : > The subject of AT_SYSINFO came up on launchpad recently. > > There is definite room for improvement in all of this: > > (1) We could build the vdso binary into qemu instead of really > loading it from the file system. This would obviate