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fix build on aarch64 with gcc5

This commit is contained in:
Kyle McMartin 2015-02-17 13:36:20 -05:00
parent 08f431fa3a
commit 739741434f
3 changed files with 17781 additions and 3286 deletions
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38
kernel-arm64-fix-psci-when-pg.patch Normal file
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@ -0,0 +1,38 @@
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 0ec0dc5..abd13dc 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -115,9 +115,14 @@ static void psci_power_state_unpack(u32 power_state,
* The following two functions are invoked via the invoke_psci_fn pointer
* and will not be inlined, allowing us to piggyback on the AAPCS.
*/
-static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_hvc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")
@@ -130,9 +135,14 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
return function_id;
}
-static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_smc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")

21019
kernel-arm64.patch
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File diff suppressed because it is too large Load Diff

10
kernel.spec
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@ -42,7 +42,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
%global baserelease 1
%global baserelease 2
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@ -624,6 +624,7 @@ Patch26136: vhost-scsi-potential-memory-corruption.patch
# git clone ssh://git.fedorahosted.org/git/kernel-arm64.git, git diff master...devel
Patch30000: kernel-arm64.patch
Patch30001: kernel-arm64-fix-psci-when-pg.patch
# END OF PATCH DEFINITIONS
@ -1359,6 +1360,7 @@ ApplyPatch kernel-arm64.patch
ApplyPatch kernel-arm64.patch -R
%endif
%endif
ApplyPatch kernel-arm64-fix-psci-when-pg.patch
# END OF PATCH APPLICATIONS
@ -2219,6 +2221,12 @@ fi
# ||----w |
# || ||
%changelog
* Tue Feb 17 2015 Kyle McMartin <kyle@fedoraproject.org> - 3.20.0-0.rc0.git7.2
- kernel-arm64.patch merge, but leave it off.
- kernel-arm64-fix-psci-when-pg.patch: when -pg (because of ftrace) is enabled
we must explicitly annotate which registers should be assigned, otherwise
gcc will do unexpected things behind our backs.
* Tue Feb 17 2015 Josh Boyer <jwboyer@fedoraproject.org> - 3.20.0-0.rc0.git7.1
- Linux v3.19-7478-g796e1c55717e
- DRM merge