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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-01-21 19:09:45 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-01-21 19:09:45 +0000 |
| commit | a957d25dde7088bc500031072e10ee634faca03c (patch) | |
| tree | d8c86aff3eaece81b60a81adf46fd03bc6384b2a /include/standard-headers/linux/const.h | |
| parent | fef80ea073c4862bc9eaddb6ddb0ed970b8ad7c4 (diff) | |
| parent | e6a80232f4087e8c7ec253f573319f69165b859d (diff) | |
| download | focaccia-qemu-a957d25dde7088bc500031072e10ee634faca03c.tar.gz focaccia-qemu-a957d25dde7088bc500031072e10ee634faca03c.zip | |
Merge remote-tracking branch 'remotes/cohuck-gitlab/tags/s390x-20210121' into staging
s390x updates: - headers update to Linux 5.11-rc2 - fix tcg emulation for some instructions that are generated by clang Linux kernel builds - vfio-ccw: wire up the device unplug notification mechanism - fix a gcc 11 warning # gpg: Signature made Thu 21 Jan 2021 12:08:12 GMT # gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF # gpg: issuer "cohuck@redhat.com" # gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown] # gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full] # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full] # gpg: aka "Cornelia Huck <cohuck@kernel.org>" [unknown] # gpg: aka "Cornelia Huck <cohuck@redhat.com>" [unknown] # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck-gitlab/tags/s390x-20210121: s390x: Use strpadcpy for copying vm name vfio-ccw: Connect the device request notifier Update linux headers to 5.11-rc2 update-linux-headers: Include const.h s390x/tcg: Ignore register content if b1/b2 is zero when handling EXECUTE tests/tcg/s390x: Fix EXRL tests s390x/tcg: Don't ignore content in r0 when not specified via "b" or "x" s390x/tcg: Fix RISBHG s390x/tcg: Fix ALGSI Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/standard-headers/linux/const.h')
| -rw-r--r-- | include/standard-headers/linux/const.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/standard-headers/linux/const.h b/include/standard-headers/linux/const.h new file mode 100644 index 0000000000..5e48987251 --- /dev/null +++ b/include/standard-headers/linux/const.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* const.h: Macros for dealing with constants. */ + +#ifndef _LINUX_CONST_H +#define _LINUX_CONST_H + +/* Some constant macros are used in both assembler and + * C code. Therefore we cannot annotate them always with + * 'UL' and other type specifiers unilaterally. We + * use the following macros to deal with this. + * + * Similarly, _AT() will cast an expression with a type in C, but + * leave it unchanged in asm. + */ + +#ifdef __ASSEMBLY__ +#define _AC(X,Y) X +#define _AT(T,X) X +#else +#define __AC(X,Y) (X##Y) +#define _AC(X,Y) __AC(X,Y) +#define _AT(T,X) ((T)(X)) +#endif + +#define _UL(x) (_AC(x, UL)) +#define _ULL(x) (_AC(x, ULL)) + +#define _BITUL(x) (_UL(1) << (x)) +#define _BITULL(x) (_ULL(1) << (x)) + +#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1) +#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) + +#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) + +#endif /* _LINUX_CONST_H */ |