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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-11 01:33:37 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-11 01:33:37 +0100 |
| commit | 4bde961e5245bb37dab4831107bbed23e433d55a (patch) | |
| tree | 82379a3d40a076d7da82536fcf61921ff258bc48 /arch/x86/um | |
| parent | Merge tag 'metag-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/j... (diff) | |
| parent | um: Switch clocksource to hrtimers (diff) | |
| download | linux-4bde961e5245bb37dab4831107bbed23e433d55a.tar.xz linux-4bde961e5245bb37dab4831107bbed23e433d55a.zip | |
Merge branch 'for-linus-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- a new hrtimer based clocksource by Anton Ivanov
- ptrace() enhancments by Richard Weinberger
- random cleanups and bug fixes all over the place
* 'for-linus-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Switch clocksource to hrtimers
um: net: replace GFP_KERNEL with GFP_ATOMIC when spinlock is held
um: Report host OOM more nicely
um: Simplify STUB_DATA loading
um: Remove dead symbol from i386 syscall stub
um: Remove dead code from x86_64 syscall stub
um: Get rid of open coded NR_SYSCALLS
um: Store syscall number after syscall_trace_enter()
um: Define PTRACE_OLDSETOPTIONS
Diffstat (limited to 'arch/x86/um')
| -rw-r--r-- | arch/x86/um/stub_32.S | 1 | ||||
| -rw-r--r-- | arch/x86/um/stub_64.S | 18 |
2 files changed, 1 insertions, 18 deletions
diff --git a/arch/x86/um/stub_32.S b/arch/x86/um/stub_32.S index b972649d3a18..98816804e131 100644 --- a/arch/x86/um/stub_32.S +++ b/arch/x86/um/stub_32.S @@ -1,6 +1,5 @@ #include <as-layout.h> - .globl syscall_stub .section .__syscall_stub, "ax" .globl batch_syscall_stub diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S index 7160b20172d0..ba914b3b8cc4 100644 --- a/arch/x86/um/stub_64.S +++ b/arch/x86/um/stub_64.S @@ -1,25 +1,9 @@ #include <as-layout.h> - .globl syscall_stub .section .__syscall_stub, "ax" -syscall_stub: - syscall - /* We don't have 64-bit constants, so this constructs the address - * we need. - */ - movq $(STUB_DATA >> 32), %rbx - salq $32, %rbx - movq $(STUB_DATA & 0xffffffff), %rcx - or %rcx, %rbx - movq %rax, (%rbx) - int3 - .globl batch_syscall_stub batch_syscall_stub: - mov $(STUB_DATA >> 32), %rbx - sal $32, %rbx - mov $(STUB_DATA & 0xffffffff), %rax - or %rax, %rbx + mov $(STUB_DATA), %rbx /* load pointer to first operation */ mov %rbx, %rsp add $0x10, %rsp |