diff options
Diffstat (limited to 'system/easy-kernel')
| -rw-r--r-- | system/easy-kernel/APKBUILD | 3 | ||||
| -rw-r--r-- | system/easy-kernel/ppc64-epapr-gcc8.patch | 84 |
2 files changed, 86 insertions, 1 deletions
diff --git a/system/easy-kernel/APKBUILD b/system/easy-kernel/APKBUILD index 17e3fe45e..983506858 100644 --- a/system/easy-kernel/APKBUILD +++ b/system/easy-kernel/APKBUILD @@ -13,7 +13,6 @@ options="!check !dbg !strip !tracedeps" license="GPL-2.0-only" depends="" makedepends="bc gzip kmod lzop openssl-dev xz" -install="" provides="easy-kernel$_kflavour=$pkgver-r$pkgrel" subpackages="$_pkgname-modules-$pkgver-mc$pkgrel:modules $_pkgname-src-$pkgver-mc$pkgrel:src @@ -31,6 +30,7 @@ source="https://cdn.kernel.org/pub/linux/kernel/v${_pkgmajver}.x/linux-${_pkgmin config-aarch64 futex-cmpxchg.patch kernel.h + ppc64-epapr-gcc8.patch uapi-ether.patch " builddir="$srcdir/linux-${_pkgminver}" @@ -141,4 +141,5 @@ cfa1c2b523875967c42bfd8fcfeeb80b1c4c9887c4399b4767f0ac0525769a9e8c5cddaec831e1ad c7573068450aff89101ef5aec683f4fee34476f072f9f7debcdc7398c646194b63e3d2fb63742631cdbff0d77d9fabf8d151cc260d80297d00b57c800c60ef6c config-aarch64 64486a4f53046a69f727cecd8c39400b50c2d2b15e3b5ca8c18b8249d25990f3a872ec064800ba3d190f9d25b4518899b9ea3675920f487108102856d6beb51e futex-cmpxchg.patch fdd94b9de7b374f1812dec0f9971c05f5e52177ca4a16c8071daa620c18265b38f656f528e7045a24f30af01f05e53e54546fb0a9e93773cf191866e87de505d kernel.h +0df4e823e19e8fc379b5ad66192eb3e890daa3dac8d7a9ebbab4cf3c60ce9f15fcc25a54b86b341db53db3d78c928ca5f55933e12eee75680e705cca8a7bdff4 ppc64-epapr-gcc8.patch af093e91e8c8371629948e2e574f8764078564bc027ba5b2f87886f8827d9a63ba7a43717552fe7e3cc9212b2fd55b8633b12900c3d8cdc6c035d52b389c39e5 uapi-ether.patch" diff --git a/system/easy-kernel/ppc64-epapr-gcc8.patch b/system/easy-kernel/ppc64-epapr-gcc8.patch new file mode 100644 index 000000000..192e83845 --- /dev/null +++ b/system/easy-kernel/ppc64-epapr-gcc8.patch @@ -0,0 +1,84 @@ +From 186b8f1587c79c2fa04bfa392fdf084443e398c1 Mon Sep 17 00:00:00 2001 +From: Seth Forshee <seth.forshee@canonical.com> +Date: Thu, 28 Sep 2017 09:33:39 -0400 +Subject: powerpc: Always initialize input array when calling epapr_hypercall() + +Several callers to epapr_hypercall() pass an uninitialized stack +allocated array for the input arguments, presumably because they +have no input arguments. However this can produce errors like +this one + + arch/powerpc/include/asm/epapr_hcalls.h:470:42: error: 'in' may be used uninitialized in this function [-Werror=maybe-uninitialized] + unsigned long register r3 asm("r3") = in[0]; + ~~^~~ + +Fix callers to this function to always zero-initialize the input +arguments array to prevent this. + +Signed-off-by: Seth Forshee <seth.forshee@canonical.com> +Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> +--- + arch/powerpc/include/asm/epapr_hcalls.h | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h +index 334459ad145b..90863245df53 100644 +--- a/arch/powerpc/include/asm/epapr_hcalls.h ++++ b/arch/powerpc/include/asm/epapr_hcalls.h +@@ -508,7 +508,7 @@ static unsigned long epapr_hypercall(unsigned long *in, + + static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + unsigned long r; + +@@ -520,7 +520,7 @@ static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) + + static inline long epapr_hypercall0(unsigned int nr) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + + return epapr_hypercall(in, out, nr); +@@ -528,7 +528,7 @@ static inline long epapr_hypercall0(unsigned int nr) + + static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + + in[0] = p1; +@@ -538,7 +538,7 @@ static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) + static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, + unsigned long p2) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + + in[0] = p1; +@@ -549,7 +549,7 @@ static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, + static inline long epapr_hypercall3(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + + in[0] = p1; +@@ -562,7 +562,7 @@ static inline long epapr_hypercall4(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3, + unsigned long p4) + { +- unsigned long in[8]; ++ unsigned long in[8] = {0}; + unsigned long out[8]; + + in[0] = p1; +-- +cgit 1.2-0.3.lf.el7 + |