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| author | Olof Johansson <olof@lixom.net> | 2015-04-03 20:20:42 (GMT) |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2015-04-03 20:20:42 (GMT) |
| commit | 5602d12a861340e9ed2c17cdefc500fa12b52446 (patch) | |
| tree | 2d2776ce7d159a3381b54034e51d36eb7007e50e /arch/x86/kernel | |
| parent | 0a47acfa16a5043f5fad562abb8e3e4b53367a43 (diff) | |
| parent | 27842bb18b004a2802f4b3221c79ce638c4bf6ee (diff) | |
| download | linux-5602d12a861340e9ed2c17cdefc500fa12b52446.tar.xz | |
Merge tag 'qcom-cleanup-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/cleanup
Merge "qcom cleanup changes for 4.1" from Kumar Gala:
General cleanups for MSM/QCOM for 4.1
* Removal of mach-msm and associated drivers cleanups that have been
ack'd by associated maintainers
* tag 'qcom-cleanup-for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
mmc: Remove msm_sdcc driver
gpio: Remove gpio-msm-v1 driver
ARM: Remove mach-msm and associated ARM architecture code
+ Linux 4.0-rc3
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 10074ad..1d74d16 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -269,11 +269,14 @@ ENTRY(ret_from_fork) testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread? jz 1f - testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET - jnz int_ret_from_sys_call - - RESTORE_TOP_OF_STACK %rdi, -ARGOFFSET - jmp ret_from_sys_call # go to the SYSRET fastpath + /* + * By the time we get here, we have no idea whether our pt_regs, + * ti flags, and ti status came from the 64-bit SYSCALL fast path, + * the slow path, or one of the ia32entry paths. + * Use int_ret_from_sys_call to return, since it can safely handle + * all of the above. + */ + jmp int_ret_from_sys_call 1: subq $REST_SKIP, %rsp # leave space for volatiles |