X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-kernel-version.h;h=154ba35d17f9359e718db1fced4bdd1089fcbf5c;hb=refs%2Fheads%2Fstable-2.12;hp=ed953fda250aaee49398965f0489b863d5db7987;hpb=0fbfe06e225db2669933c46f8331599eb7d477ce;p=lttng-modules.git diff --git a/lttng-kernel-version.h b/lttng-kernel-version.h index ed953fda..154ba35d 100644 --- a/lttng-kernel-version.h +++ b/lttng-kernel-version.h @@ -126,22 +126,48 @@ /* SUSE Linux enterprise */ -#define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \ - (((LTTNG_KERNEL_VERSION(a, b, c)) * 100000000ULL) + ((d) * 100000) + ((e) * 100) + (f)) +/* + * SLE major version codes may be large, eg. 150400, and require more than + * 32 bits to store. Multiplying `a` by `1ULL` avoids compiler warnings, eg: + * + * `warning: result of ‘150400 << 16’ requires 35 bits to represent, but ‘int’ only has 32 bits` + * + */ +#define LTTNG_SLE_VERSION(a, b, c) \ + ((((a * 1ULL) << 16) + (b << 8) + c) * 1ULL) -#ifdef SLE_API_VERSION +#if defined(SLE_API_VERSION_MAJOR) && defined(SLE_API_VERSION_MINOR) && defined(SLE_API_VERSION_PATCH) #define LTTNG_SLE_VERSION_CODE \ - ((LTTNG_LINUX_VERSION_CODE * 100000000ULL) + SLE_API_VERSION) + (LTTNG_SLE_VERSION(SLE_API_VERSION_MAJOR, SLE_API_VERSION_MINOR, SLE_API_VERSION_PATCH)) #else -#define LTTNG_SLE_VERSION_CODE 0 +#define LTTNG_SLE_VERSION_CODE 0 #endif #define LTTNG_SLE_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \ a_high, b_high, c_high, d_high, e_high, f_high) \ - (LTTNG_SLE_VERSION_CODE >= \ - LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \ - LTTNG_SLE_VERSION_CODE < \ - LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high)) + ( \ + LTTNG_SLE_VERSION_CODE != 0 && \ + ( \ + /* Linux kernel version code exclusive inside range */ \ + (LTTNG_LINUX_VERSION_CODE > LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \ + LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(a_high, b_high, c_high)) || \ + \ + /* Linux kernel version code is at lower and upper limit */ \ + (LTTNG_LINUX_VERSION_CODE == LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \ + LTTNG_LINUX_VERSION_CODE == LTTNG_KERNEL_VERSION(a_high, b_high, c_high) && \ + LTTNG_SLE_VERSION_CODE >= LTTNG_SLE_VERSION(d_low, e_low, f_low) && \ + LTTNG_SLE_VERSION_CODE < LTTNG_SLE_VERSION(d_high, e_high, f_high)) || \ + \ + /* Linux kernel version code is at lower limit */ \ + (LTTNG_LINUX_VERSION_CODE == LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \ + LTTNG_KERNEL_VERSION(a_low, b_low, c_low) != LTTNG_KERNEL_VERSION(a_high, b_high, c_high) && \ + LTTNG_SLE_VERSION_CODE >= LTTNG_SLE_VERSION(d_low, e_low, f_low)) || \ + \ + /* Linux kernel version code is at upper limit */ \ + (LTTNG_LINUX_VERSION_CODE == LTTNG_KERNEL_VERSION(a_high, b_high, c_high) && \ + LTTNG_KERNEL_VERSION(a_low, b_low, c_low) != LTTNG_KERNEL_VERSION(a_high, b_high, c_high) && \ + LTTNG_SLE_VERSION_CODE < LTTNG_SLE_VERSION(d_high, e_high, f_high)) \ + )) /* Fedora */